ZyXEL Communications P-660HW-D Series Bedienungsanleitung

P-660HW -D Series 802.1 1g Wireless ADSL 2+ 4-port Gateway User ’ s Guide V ersion 3.4 0 Edition 1 3/2006[...]

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P-660HW-D Se ries User’s Guide Copyright 2 Copyright Copyright © 2006 by ZyXEL Communications Corpo ration. The contents of this publication may not be reprod uced in any part or as a wh ole, transcribed, stored in a retrieval system, tran slated into any language, or transmitted in any form or by any means, el ectronic, mec hanical , magnetic, [...]

P-660HW-D Series User’s Guide 3 Federal Communications Commission (FCC) Interference Statement Federal Communications Commission (FCC) Interference S t atement This device complies with Part 15 of FCC rul es. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any i[...]

P-660HW-D Se ries User’s Guide Federal Com munications Co mmission (F CC) Interfer ence Statem ent 4 This transmitter must not be co-located or op erating in conj unction with any other an tenna or transmitter . ZyXEL Communications Corporation declared that ZyXEL device is limited in CH1~1 1 from 2400 to 2483.5 MHz by specified firmware cont rol[...]

P-660HW-D Series User’s Guide 5 Safety Warnings Safety W arnings For your safety , be sure to read and fo llow all warning notices and instructions. • T o reduce the risk of fire, use only No. 26 A WG (American W ire Gauge) or larger telecommunication line cord. • Do NOT open the device or un it. Opening or removi ng covers can expose you to [...]

P-660HW-D Se ries User’s Guide ZyXEL Limited Warranty 6 ZyXEL Limited W arranty ZyXEL warrants to the original en d user (purchaser) that this product is free from any defects in materials or workmansh ip for a period of up to two ye ars from the date of purchase. Du ring the warranty period, and upon proof of purchase, should the product have in[...]

P-660HW-D Series User’s Guide 7 Customer Suppo rt Customer Support Please have the following information r eady when you contact customer support. • Product model and serial number . • W arranty Information. • Date that you received your de vice. • Brief description of the problem and the steps yo u took to solve i t. METHOD LOCATION SUPP[...]

P-660HW-D Se ries User’s Guide Customer Support 8 POLAND info@pl.zyxel.com +48-22-5286603 www .pl.zyxel.com ZyXEL Communications ul.Emilli Plater 53 00-1 13 W arszawa Poland +48-22-5206701 RUSSIA http://zyxel.ru/support +7-095-542- 89-29 www .zyxel.ru ZyXEL Russia Ostrovityanova 37a S tr . Moscow , 1 1727 9 Russia sales@zyxel.ru +7-095-542-89-25 [...]

P-660HW-D Series User’s Guide 9 Customer Suppo rt[...]

P-660HW-D Se ries User’s Guide Table of Contents 10 T able of Content s Copyright .................................................. .......................................... ...................... 2 Federal Communications Commissi on (FCC) Interference S t atement ............... 3 Safety W arnings ....................................... ......[...]

P-660HW-D Series User’s Guide 11 Table of Contents 2.4.6 S tatus: Packet S tatistics ............. ............. ................ ............. ................ ..... 50 2.4.7 Changing Login Password ........... .......... ................ ............. ................ ..... 51 Chapter 3 Wizard Setup for Inte rnet Access ........................[...]

P-660HW-D Se ries User’s Guide Table of Contents 12 5.3.1 A TM Traf f ic Classes ................... ................ ............. ................ ................ ..79 5.3.1.1 Constant Bit Rate (CBR) ........ ................ ................ ............. ............ 79 5.3.1.2 V ariable Bit Rate (VBR) ................. ............ ........[...]

P-660HW-D Series User’s Guide 13 Table of Contents 7.3 Wireless Performance Overview ............... ................ ................ ............. .......... 109 7.3.1 Quality of Service (QoS) ..... ................ ................ ................. ................ ...109 7.4 General Wireless LAN Screen ........... ................ ..........[...]

P-660HW-D Se ries User’s Guide Table of Contents 14 Chapter 9 Firewalls ......................................... ..................................................... .................. 142 9.1 Firewall Overview ..................... ................ ............. ................ ................ .......... 142 9.2 T ypes of Firewalls .........[...]

P-660HW-D Series User’s Guide 15 Table of Contents 10.4.2 Alerts ....... ............. ................ ................. ............ ................. ................ ...157 10.5 General Firewall Policy .............. ................. ............ ................. ............ .......157 10.6 Firewall Rules Summary . ................. ......[...]

P-660HW-D Se ries User’s Guide Table of Contents 16 13.6.3 Bandwidth Management Priorities ................. ............. ................ .......... 188 13.7 Over Allotment of Bandw idth ......... ................. ................ ................ ................ 189 13.8 Configuring Summary ...................... ... ............. ..........[...]

P-660HW-D Series User’s Guide 17 Table of Contents 16.4.2 Web Configurator Easy Access .................. ................ ................ .......... 218 Chapter 17 System ........................................... ........................................... ............................ 222 17.1 General Setup .. .... ............ ..............[...]

P-660HW-D Se ries User’s Guide Table of Contents 18 Introduction to DSL .......................... ................ ............. ................ ................ ......... 250 ADSL Overview ............. ................ ................ ............. ................ ............. ............... 250 Advantages of ADSL ........................[...]

P-660HW-D Series User’s Guide 19 Table of Contents PPPoE .................................. .......................................... ....................................... 288 PPPoE in Action ............ ................................................ .......................... ............... 288 Benefits of PPPoE..... ................ ....[...]

P-660HW-D Se ries User’s Guide List of Figure s 20 List of Figures Figure 1 Protected Internet A ccess Applications ... ................ ................ ............. ................ 36 Figure 2 LAN-to-LAN Applicat ion Example ........ ................. ................ ................ ............. ... 37 Figure 3 Front Panel ....... ........[...]

P-660HW-D Series User’s Guide 21 List of Figures Figure 39 Internet Connecti on (PP PoE) .... ............. ................ ................ ................ ............. 80 Figure 40 Advanced Internet Connection Setu p ....... ............. ................ ............. ................ 82 Figure 41 More Connections ........ ............. ...[...]

P-660HW-D Se ries User’s Guide List of Figure s 22 Figure 82 SYN Flood .......... ............. ................ ................ ............. ................ ................ ....... 146 Figure 83 Smurf Attack ...................... ................ ................. ............ ................. ................ ... 1 47 Figure 84 S tateful [...]

P-660HW-D Series User’s Guide 23 List of Figures Figure 125 Internet Connection Properties: Adva nced Settings .. ................ ............. .......... 217 Figure 126 Internet Connection Properties: Adva nced Settings: Add . ................ ................ 217 Figure 127 System Tr ay Icon ....... ................ ................ ..........[...]

P-660HW-D Se ries User’s Guide List of Figure s 24 Figure 168 Red Hat 9.0: S tatic IP Address Settin g in ifconfig-eth0 .................. ................ 268 Figure 169 Red Hat 9.0: DNS Setti ngs in resolv .conf ...................... ................ ................ 268 Figure 170 Red Hat 9.0: Restart Ethernet Card ...... ................ ...[...]

P-660HW-D Series User’s Guide 25 List of Figures[...]

P-660HW-D Se ries User’s Guide List of Tables 26 List of T ables T able 1 ADSL St andards ................... ................ ............. ................ ................. ................ ... 32 T able 2 Front Panel LEDs .... ................ ................. ................ ................ ............. ................ 37 T able 3 Web C[...]

P-660HW-D Series User’s Guide 27 List of Tables T able 39 MAC Address Filter ...................... ................ ................ ............. ................ .......... 123 T able 40 WMM QoS Priorities ..... ................ ................ ................ ................ ................ ....... 124 T able 41 Commonly Used Serv ices ..[...]

P-660HW-D Se ries User’s Guide List of Tables 28 T able 82 Remote Management: FTP ............. ... ....... ................ ............. ................ ............. 204 T able 83 SNMP Trap s . ............. ................ ................ ................ ................ ................ .......... 20 6 T able 84 Remote Management: SNMP .[...]

P-660HW-D Series User’s Guide 29 List of Tables T able 125 PPP Logs ....... ................ ................ ............. ................ ................ ................ ....... 297 T able 126 UPnP Logs .... ............. ................ ................ ............. ................ ................ .......... 29 8 T able 127 Content Filt[...]

P-660HW-D Se ries User’s Guide Preface 30 Preface Congratulations on your p urchase of the P-660HW -D series 802.1 1g W ireless ADSL 2+ 4- port Gateway . P-660HW comes with built-in IEEE 802.1 1g wireless capability allowing wireless connectivity . P-660HW -D has a 4-port switch that allows you to connect up to 4 computers to the P-660HW -D witho[...]

P-660HW-D Series User’s Guide 31 Preface User Guide Feedback Help us help you. E-mail all User Guide-related comments, questions or suggestions for improvement to techwriters@zyxel.com.tw or send regular mail to The T echnical W riting T eam, ZyXEL Communications Corp., 6 Inno vatio n Road II, Science-Based Industrial Park, Hsinchu, 300, T aiwa n[...]

P-660HW-D Se ries User’s Guide Chapter 1 Getting To Kn ow Your P-660HW- D 32 C HAPTER 1 Getting T o Know Y our P-660HW - D This chapter describes the key features and applications of your ZyXEL device . 1.1 Introducing the P-660HW -D The ZyXEL device is an ADSL2+ gateway that a llows super -fast, sec ure Internet access over analog (POTS) or digi[...]

P-660HW-D Series User’s Guide 33 Chapter 1 Getting To Know Your P-66 0HW-D 1.2 Features High Speed Internet Access Y our ZyXEL device can support downstream tran smission rates of up to 24Mb ps and upstream transmission rates of 3.5Mbps. Actual speeds attained depend on the ADSL service you subscribed to, distance from your ISP , line quality , e[...]

P-660HW-D Se ries User’s Guide Chapter 1 Getting To Kn ow Your P-660HW- D 34 Universal Plug and Play (UPnP) Using the standard TCP/IP protocol, the ZyXEL device and other UPnP enabled d evices can dynamically join a network, obtain an IP addr ess and convey its capab ilities to other devices on the network. PPPoE (RFC2516) PPPoE (Point-to-Point P[...]

P-660HW-D Series User’s Guide 35 Chapter 1 Getting To Know Your P-66 0HW-D Housing Y our ZyXEL device's compact and ventilated housing minimizes space requirements making it easy to position anywhere in your busy of fice. 4-port Switch A combination of switch an d router makes your ZyXEL device a cost-effective and viable network solution. Y[...]

P-660HW-D Se ries User’s Guide Chapter 1 Getting To Kn ow Your P-660HW- D 36 Output Power Management Output power management is the ability to set the level of output power . There may be interference or dif ficulty with ch annel assignment when there is a high density of APs within a coverage area. In this case you can lower the output power of [...]

P-660HW-D Series User’s Guide 37 Chapter 1 Getting To Know Your P-66 0HW-D Figure 2 LAN-to-LAN Applic ation Example 1.4 Front Panel LEDs The following figure shows the front panel LEDs. Figure 3 Front Panel The following table describes the LEDs. Table 2 Front Panel LEDs LED COLOR ST ATUS DESCRIPTION POWER Green On The Z yXEL device is receiving [...]

P-660HW-D Se ries User’s Guide Chapter 1 Getting To Kn ow Your P-660HW- D 38 1.5 Hardware Connection Refer to the Quick S tart Guide for in formation on hard ware connection. DSL Green On The DSL lin e is up. Blinking The ZyXEL device is initializing the DSL li ne. Off The DSL lin e is down. INTERNET Green On The Internet co nnection is up. Blink[...]

P-660HW-D Series User’s Guide 39 Chapter 1 Getting To Know Your P-66 0HW-D[...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 40 C HAPTER 2 Introducing the W eb Configurator This chapter describes how to access and navigate the web configurator . 2.1 W eb Configurator Overview The web configurator is an HTML-based mana gement interface that allows easy ZyXEL device setup and mana gement via Inter[...]

P-660HW-D Series User’s Guide 41 Chapter 2 Introducing the Web Configurator status only . Click Login to proceed to a screen asking you to change your password or click Cancel to revert to the default password. Figure 4 Password Screen 6 If you entered the user password, skip the next two steps and refer to Section 2.4.2 on page 45 for more infor[...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 42 Figure 6 Select a Mode Note: The management session automatically time s out when the time period set in the Administrator Inactivity T imer field expires (default five minute s). Simply log back into the ZyXEL device if this happens to yo u. 2.3 Resetting the ZyXEL dev[...]

P-660HW-D Series User’s Guide 43 Chapter 2 Introducing the Web Configurator Figure 7 Web Configur ator: Main Screen Note: Click the icon (located in the top right corner of most screens) to view embedded help. T able 3 Web Con figurator Sc reens Summ ary LINK/ICON SUB-LINK FUNCTION Wizard INTERNET/ WIRELESS SETUP Use these screens for initial co [...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 44 LAN IP Use this screen to configure LAN TCP/IP settings, enable Any IP and other advanced properties. DHCP Setup Use this screen to configure LAN DHCP settings. Client List Use this screen to view current DHCP client information and to always assign an IP address to a M[...]

P-660HW-D Series User’s Guide 45 Chapter 2 Introducing the Web Configurator 2.4.2 St atus Screen The following summarizes how to navigate the web configurator from the St a t u s screen. Some fields or links are not available if you entered the user password in the login password screen (see Figure 4 on page 41 ). Remote MGMT WWW Use this screen [...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 46 Figure 8 S tatus Scr een The following table describes the labels shown in the St a t u s screen. Table 4 Status Screen LABEL DESCRIPTION Refresh Interval Select a number of seconds or None from the drop-down list box to refresh all screen statistics automatically at th[...]

P-660HW-D Series User’s Guide 47 Chapter 2 Introducing the Web Configurator LAN Informati on IP Address This is the LAN port IP address. IP Subnet Mask This is the LAN port IP subnet mask. DHCP This is the W AN port DHCP role - Server , Relay or None . WLAN Information SSID This is the descriptive name us ed to iden tify the ZyXEL device in the w[...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 48 2.4.3 St atus: Any IP T able Click the Any IP T able hyperlink in the St a t u s screen. The Any IP table shows current read- only information (including the IP address and the MAC address) of all network devices that use the Any IP feature to communicate with the ZyXEL[...]

P-660HW-D Series User’s Guide 49 Chapter 2 Introducing the Web Configurator The following table describes the labels in this screen. 2.4.5 St atus: Bandwid th S t atus Click the Bandwidth S tatus hyperlink in the St a t u s screen. Se lect an interface from the drop- down list box to view the bandwidth usage of its b andwidth rules. The gray sect[...]

P-660HW-D Se ries User’s Guide Chapter 2 Introducing the Web Configur ator 50 Figure 12 S tatus: Packet S t atistics The following table describes th e fields in this screen. Table 7 S tatus: Pack et S tatistics LABEL DESCRIPTION System Monitor System up T ime This is the elapsed time the system has been up. Current Date/T ime This field displays[...]

P-660HW-D Series User’s Guide 51 Chapter 2 Introducing the Web Configurator 2.4.7 Changing Login Password It is highly recommended that you periodically change the password for accessing the ZyXEL device. If you didn’ t change the default one after you logged in or you want to change to a new password again, then click Maintenance > System t[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 52 C HAPTER 3 W izard Setup for Internet Access This chapter provides informatio n on the W izard Setup screens for Internet access in the web configurator . 3.1 Introduction Use the wizard setup screens to configure your system for Internet access with the information giv[...]

P-660HW-D Series User’s Guide 53 Chapter 3 Wiz ard Setup f or Internet Ac cess Figure 15 Wizard: Welcome 3 The wizard attempts to detect whic h W AN connection type you are using. If the wizard detects your connection type and your ISP uses PPPo E or PPPoA, go to Section 3.2.1 on page 54 . The screen varies depending on the connecti on type you u[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 54 Figure 17 Auto Detection: Failed 3.2.1 Automatic Detection 1 If you have a PPPoE or PPPoA connection, a scr een displays prompting you to ent er your Internet account information. Enter the us ername, password and/or service name exactly as provided. 2 Click Next and se[...]

P-660HW-D Series User’s Guide 55 Chapter 3 Wiz ard Setup f or Internet Ac cess Figure 19 Internet Access Wizard Setup: ISP Parameters The following table describes the fields in this screen. T able 8 Internet Access Wizard Set up: ISP Paramete rs LABEL DESCRIPTION Mode From the Mode drop-down list box, select Routing (default) if your ISP a llows[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 56 2 The next wizard screen varies depending on wh at mode and encapsulatio n type you use. All screens shown are with routing mode. Configure the fields and click Next to continue. See Section 3.3 on page 5 9 for wireless connection wizard setup Figure 20 Internet Connect[...]

P-660HW-D Series User’s Guide 57 Chapter 3 Wiz ard Setup f or Internet Ac cess The following table describes the fields in this screen. Figure 22 Internet Connection with ENET ENCAP The following table describes the fields in this screen. Table 10 Internet Conn ection with RFC 1483 LABEL DESCRIPTION IP Address This field is available if you selec[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 58 Figure 23 Internet Connection with PPPoA The following table describes the fields in this screen. • If the user name and/or password you ente red for PPPoE or PPPoA connection are not correct, the screen displays as shown next. Click Back to Username and Password setu[...]

P-660HW-D Series User’s Guide 59 Chapter 3 Wiz ard Setup f or Internet Ac cess Figure 24 Connection T est Failed- 1 • If the following screen displays, check if your account is activated or click Restart the Internet/Wir eless Setup Wizard to verify your In ternet access settings. Figure 25 Connection T est Failed- 2. 3.3 Wireless Connection Wi[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 60 Figure 26 Connection T est Successful 2 Use this screen to activate the wireless LAN and OTIST . Click Next to continue. Figure 27 Wireless LAN Setup Wizard 1[...]

P-660HW-D Series User’s Guide 61 Chapter 3 Wiz ard Setup f or Internet Ac cess The following table describes the labels in this screen. 3 Configure your wireless settin gs in this screen. Click Next . Figure 28 Wireless LAN Setup Wizard 2 Table 13 Wireless LAN Setup Wizard 1 LABEL DESCRIPTION Active Select the check box to turn on the wi reless L[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 62 The following table describes the labels in this screen. Note: The wireless stations and ZyXEL device must use the same SSID, chan nel ID and WEP encryption key (if WEP is enabled), WP A-PSK (if WP A-PSK is enabled) for wireless communicatio n. 4 This screen varies depe[...]

P-660HW-D Series User’s Guide 63 Chapter 3 Wiz ard Setup f or Internet Ac cess Figure 29 Manually assign a WP A key The following table describes the labels in this screen. 3.3.2 Manually assign a WEP key Choose Manually assign a WEP key to setup WEP Encryption parameters. Figure 30 Manually assign a WEP key T able 15 Manually assign a WP A key L[...]

P-660HW-D Se ries User’s Guide Chapter 3 Wizard Setup for Internet Acces s 64 The following table describes the labels in this screen. 5 Click Apply to save your wireless LAN settings. Figure 31 Wireless LAN Setup 3 6 Use the read-only summary table to check whet her what you have configured is correct. Click Finish to complete and save the wizar[...]

P-660HW-D Series User’s Guide 65 Chapter 3 Wiz ard Setup f or Internet Ac cess Figure 32 Internet Access and WLAN Wizard Se tup Complete 7 Launch your web browser and navigate to www .zyxel.com. Internet access is just the beginning. Refer to the rest of this guide for more detailed inform ation on the complete range of ZyXEL device features. If [...]

P-660HW-D Se ries User’s Guide Chapter 4 Bandwidth Management Wiza rd 66 C HAPTER 4 Bandwid th Management Wizard This chapter shows you h ow to configure basic bandwidth management usin g the wizard screens. 4.1 Introduction Bandwidth management allows y ou to control the amount of b andwidth going out through the ZyXEL device’ s W AN port and [...]

P-660HW-D Series User’s Guide 67 Chapter 4 Bandwidth Manage ment Wizard 4.3 Bandwid th Management Wizard Setup 1 After you enter the admin password to access the web configura tor , select Go to Wizard setup and click Apply . Otherwise, click the wizard icon ( ) in the top right corner of the web configura tor to display the wizard main screen. F[...]

P-660HW-D Se ries User’s Guide Chapter 4 Bandwidth Management Wiza rd 68 Figure 34 Wizard: Welcome 3 Activate bandwidth management and select to allocate bandwidth to packets based on the service requirements. Figure 35 Bandwidt h Management Wizard: General In formation The following fields describe the label in this screen. Table 18 Bandwid th M[...]

P-660HW-D Series User’s Guide 69 Chapter 4 Bandwidth Manage ment Wizard 4 Use the second wizard screen to select the se rvices that you want to apply bandwidth management and select the priorities that you want to apply to the services listed. Figure 36 Bandwidt h Management Wizard: Configuration The following table describes the labels in this s[...]

P-660HW-D Se ries User’s Guide Chapter 4 Bandwidth Management Wiza rd 70 5 Follow the on-screen instructions and click Finish to complete the wizard setup and save your configuratio n. Figure 37 Bandwidt h Management Wizard: Complete Apply Click Apply to save your changes back to the ZyXEL device. Exit Click Exit to close the wizard screen withou[...]

P-660HW-D Series User’s Guide 71 Chapter 4 Bandwidth Manage ment Wizard[...]

P-660HW-D Se ries User’s Guide Chapter 4 Bandwidth Management Wiza rd 72[...]

P-660HW-D Series User’s Guide 73 Chapter 4 Bandwidth Manage ment Wizard[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 74 C HAPTER 5 W AN Setup This chapter describes how to configure W AN settings. 5.1 W AN Overview A W AN (W ide Area Network) is an outside conn ection to another network or the Internet. 5.1.1 Encap sulation Be sure to use the encap sulation method req uired by your ISP . The ZyXEL devic e suppo[...]

P-660HW-D Series User’s Guide 75 Chapter 5 WAN Setup 5.1.1.3 PPPoA PPPoA stands for Point to Point Protocol over A TM Adaptation Layer 5 (AAL5). A PPPoA connection functions like a dial -up Internet connection. The ZyXEL device encapsulates the PPP session based on RF C1483 and sends it through an A TM PVC (Permanent V irtual Circuit) to the Inte[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 76 5.1.3.1 Scenario 1: On e VC, Multiple Protocols PPPoA (RFC-2364) encapsulation with VC-based multiplexing is th e best combination because no extra protocol identifying headers are needed. The PPP pro tocol already contains this information. 5.1.3.2 Scenario 2: On e VC, One Protocol (IP) Selec[...]

P-660HW-D Series User’s Guide 77 Chapter 5 WAN Setup 5.1.5.3 IP Assignment with ENET ENCAP Encap sulation In this case you can have either a static or dynamic IP . For a stat ic IP you must fill in all the IP Address an d ENET ENCAP Gateway fiel ds as supplied by your ISP . However for a dynamic IP , the ZyXEL device acts as a DHC P clie nt on th[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 78 If you want the dial-backup route to take first prio rity over the traffic-redirect route or even the normal route, all you ne ed to do is set the dial-backup route’ s me tric to "1" and the others to "2" (or greater). IP Policy Routing overrides the de fault routing beha[...]

P-660HW-D Series User’s Guide 79 Chapter 5 WAN Setup 5.3.1 A TM T raffic Classes These are the basic A TM traffic classes define d by the A TM Forum T raffic Management 4.0 Specification. 5.3.1.1 Const ant Bit Rate (CBR) Constant Bit Rate (CBR) provides fixed bandwidth that is always available even if no data is being sent. CBR traffic is genera [...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 80 • the ZyXEL device is in bridge mode • you set the ZyXEL device to use a static (fixed) W AN IP address. 5.5 Internet Connection T o change your ZyXEL device’ s W AN Internet access settings, click Network > W AN . The screen dif fers by the encapsulation. See Section 5.1 on page 7 4 [...]

P-660HW-D Series User’s Guide 81 Chapter 5 WAN Setup Encapsulation Selec t the method of encapsulatio n used by your ISP from the drop-down list box. Choices vary depending on the mode you select in th e Mode field. If you select Bridge in the Mode field, select either PPPoA or RFC 1483 . If you select Routing in the Mode field, select PPPoA , RF[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 82 5.5.1 Configuring Advanced Internet Connection Setup T o edit your ZyXEL device's adva nced W AN settings, click the Advanced Setup button in the Internet Connection screen. The screen appears as shown. Figure 40 Advanced Intern et Connection Setu p The following table describes the label[...]

P-660HW-D Series User’s Guide 83 Chapter 5 WAN Setup 5.6 Configuring More Connections This section describes the protocol-independent parameters for a remote network. They are required for placing calls to a remote gate way and the network behind it across a W AN connection. When you use the W AN > Internet Connection screen to set up Internet[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 84 Figure 41 More Connections The following table describes the labels in this screen. 5.6.1 More Connections Edit Click the edit icon in the More Connections screen to configure a connection . Table 22 More Connections LABEL DESCRIPTION # This is the index number of a connection. Active This dis[...]

P-660HW-D Series User’s Guide 85 Chapter 5 WAN Setup Figure 42 More Connections Edit The following table describes the labels in this screen. Table 23 More Connections Edit LABEL DESCRIPTION Active Select the check box to activate or clear the check box to deactivate this connection. Name Enter a unique, descriptive name of up to 13 ASCII charact[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 86 User Name (PPPoA and PPPoE encapsulation only ) Enter the user nam e exactly as your ISP assigned. If assigned a name in the form user@domain where doma in identifies a service name, then ent er both components exactly as given. Password (PPPoA and PPPoE encapsulation only) Enter the password [...]

P-660HW-D Series User’s Guide 87 Chapter 5 WAN Setup 5.6.2 Configuring More Co nnections Advanced Setup T o edit your ZyXEL device's adva nced W AN settings, click the Advanced Setup button in the Mor e Connections Edit screen. The screen appears as shown. Figure 43 More Connections Advanced Setup The following table describes the labels in [...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 88 5.7 T raffic Redirect T ra ffic redirect forwards traf fic to a backup gatew ay when the ZyXEL de vice cannot conn ect to the Internet. An example is shown in the figure below . Figure 44 T raffic Redirect Example The following network topology allows you to avoid triangle route security issue[...]

P-660HW-D Series User’s Guide 89 Chapter 5 WAN Setup Figure 45 T raf fic Redirect LAN Setup 5.8 Configuring W AN Backup T o change your ZyXEL devi ce’ s W AN backup settings, click Network > W AN > WA N Backup Setup . The screen appears as shown. Figure 46 W A N Backup Setup[...]

P-660HW-D Se ries User’s Guide Chapter 5 WAN Setup 90 The following table describes the labels in this screen. Table 25 W AN Backup Setup LABEL DESCRIPTION Backup T ype Select the method that the ZyXEL devi ce uses to check the DSL connection. Select DSL Link to have the ZyXEL device check if the co nnection to the DSLAM is up. Select ICMP to hav[...]

P-660HW-D Series User’s Guide 91 Chapter 5 WAN Setup[...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 92 C HAPTER 6 LAN Setup This chapter describes how to configure LAN settings. 6.1 LAN Overview A Local Area Network (LAN) is a shared comm unication system to which many computers are attached. A LAN is a computer network lim ited to the immediate area, usually the same building or floor of a bui[...]

P-660HW-D Series User’s Guide 93 Chapter 6 LAN Setup 6.1.2 DHCP Setup DHCP (Dynamic Host Configuration Protocol , RFC 2131 and RFC 2132) allows in dividual clients to obtain TCP/IP configuration at start-up from a server . Y ou can configure the ZyXEL device as a DHCP server or disable it. When configured as a server , the ZyXEL device provides t[...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 94 6.1.4 DNS Server Address Assignment Use DNS (Domain Name System) to map a domain name to its corresponding IP address and vice versa. The DNS server is extremely important because wit hout it, you must know the IP address of a computer before you can access it. There are two ways that an ISP d[...]

P-660HW-D Series User’s Guide 95 Chapter 6 LAN Setup 6.2.1.1 Private IP Addresses Every machine on the Internet must ha ve a unique address. If your ne tworks are isolated from the Internet, for example, only between your two branch of fices, you can assign any IP addresses to the hosts without problems. However , the Internet Assigned Numbers Au[...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 96 6.2.3 Multicast T raditionally , IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient) or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of host s on the networ k - not everybody and not just 1. IGMP (Internet Group M[...]

P-660HW-D Series User’s Guide 97 Chapter 6 LAN Setup Figure 48 Any IP Example The Any IP fe ature does n ot apply to a computer using either a dy namic IP address or a static IP address that is in the same subnet a s the ZyXEL device’ s IP addre ss. Note: Y ou must enable NA T/SUA to use the Any IP feature on th e ZyXEL device. 6.2.4.1 How Any [...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 98 6.3 Configuring LAN IP Click LAN to open the IP screen. See Section 6.1 on page 92 for background information. Figure 49 LAN IP The following table describes th e fields in this screen. 6.3.1 Configuring Advanced LAN Setup T o edit your ZyXEL device's advanced LAN settings, click the Adva[...]

P-660HW-D Series User’s Guide 99 Chapter 6 LAN Setup Figure 50 Advanced LAN Setup The following table describes the labels in this screen. Table 27 Advanced LAN Setup LABEL DESCRIPTION RIP & Multicast Setup RIP Direction Select the RIP direction from None , Both , In Only and Out Only . RIP V ersion Select the RIP version from RIP-1 , RIP-2B [...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 100 6.4 DHCP Setup Use this screen to configure th e DNS server informa tion that the Zy XEL device sends to the DHCP client devices on the LAN. Figure 51 DHCP Setup The following table describes the labels in this screen. Table 28 DHCP Setup LABEL DESCRIPTION DHCP Setup DHCP If set to Server , y[...]

P-660HW-D Series User’s Guide 101 Chapter 6 LAN Se tup 6.5 LAN Client List This table allows you to assign IP addresses on the LAN to specific individual computers based on their MAC Addresses. Every Ethernet device has a unique MAC (Med ia Access Control) addre ss. The MAC address is assigned at the factory and consists of six pairs of hexadec i[...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 102 The following table describes the labels in this screen. 6.6 LAN IP Alias IP alias allows you to partition a physical network into dif fer ent logical networks over the same Ethernet interface. The ZyXEL device su pports three logical LAN interfaces via its single physical Ethernet interfa ce[...]

P-660HW-D Series User’s Guide 103 Chapter 6 LAN Se tup Figure 53 Physical Network & Partitioned Logical Networks T o change your ZyXEL device’ s IP alias se ttings, click Network > LAN > IP Alias . The screen appears as shown. Figure 54 LAN IP Alias The following table describes the labels in this screen. T able 30 LAN IP Alias LABEL [...]

P-660HW-D Se ries User’s Guide Chapter 6 LAN Setup 104 RIP Direction RIP (Routing Information Protocol , RFC 1058 and RFC 1389) allows a router to exchange routing informatio n with other routers. The RIP Direct ion field co ntrols the sending and receiving of RIP packe ts. Select the RIP direction from Both / In Only / Out Only / None . When set[...]

P-660HW-D Series User’s Guide 105 Chapter 6 LAN Se tup[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 106 C HAPTER 7 W ireless LAN This chapter discusses how to configure the wire less network settings in your ZyXEL device. See the appendices for more detailed information ab out wireless networks. 7.1 Wireless Network Overview The following figure provides an exampl e of a wireles s network. F[...]

P-660HW-D Series User’s Guide 107 Chapter 7 Wireless LAN • Every wireless client in the same wirel ess network must use security compatible with the AP . Security stops unauthorized devices from using the wireless network. It can also protect the information that is sent in the wireless network. 7.2 Wireless Security Overview The following sect[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 108 7.2.3 User Authentication Authentication is the process of verifying whet her a wireless device is allowed to use the wireless network. Y ou can make every user log in to the wireless network before they can use it. This is called user authentication. However , every wireless client in the[...]

P-660HW-D Series User’s Guide 109 Chapter 7 Wireless LAN Usually , you should set up the st rongest encryption that every wireless client in the wireless network supports. For example, suppose the AP does not have a local user database, and you do not have a RADIUS serve r . Therefore, there is no user authentication. Suppose the wireless network[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 110 7.4 General Wireless LAN Screen Note: If you are configuring the ZyXEL device from a computer conn ected to the wireless LAN and you change the ZyXEL de vice’ s SSID or WEP settings, you will lose your wireless connection when you press Apply to confirm. Y ou must then change the wireles[...]

P-660HW-D Series User’s Guide 111 Chapter 7 Wireless LAN See the rest of this chapter for informa tion on the other labels in this screen. 7.4.1 No Security Select No Security to allow wireless clients to commun icate with the access points without any data encryption. Note: If you do not enable any wireless security on your ZyXEL device, your ne[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 112 7.4.2 WEP Encryption WEP encryption scrambles the da ta transmitted between the wire less clients and the access points to keep network communications pr ivate. It encrypts unicast and multicast communications in a network. Both the wirel ess clients and the access points must use the same[...]

P-660HW-D Series User’s Guide 113 Chapter 7 Wireless LAN 7.4.3 WP A-PSK/WP A2-PSK In order to configure and enable WP A(2)-PSK authentication; click Network > Wir eless LAN to display the Ge neral screen. Select WP A-PSK or WP A2-PSK from the Security Mode list. Figure 59 Wireless: WP A-PSK/WP A2-PSK WEP Key The WEP keys are used to encrypt da[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 114 The following table describes the wireless LAN security labels in this screen. 7.4.4 WP A/WP A2 In order to configure and enable WP A/WP A2; click the Wir eles s LAN link under Network to display the General screen. Select WP A or WP A2 from the Security Mode list. Table 35 Wireless: WP A-[...]

P-660HW-D Series User’s Guide 115 Chapter 7 Wireless LAN Figure 60 Wireless: WP A/WP A2 The following table describes the wireless LAN security labels in this screen. Table 36 Wireless: WPA/WPA2 LABEL DESCRIPTION WP A Compatible This check box is available only when you select WP A2-PSK or WP A2 in the Security Mode field. Select the check box to[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 116 7.4.5 Wireless LAN Advanced Setup T o configure advanced wi reless settings, click the Advanced Setup button in the General screen. The screen appears as shown. Group Key Update T imer (In Seconds) The Group Key Up date T imer is the rate at which the AP (if using WP A-PSK/ WP A2-PSK key m[...]

P-660HW-D Series User’s Guide 117 Chapter 7 Wireless LAN Figure 61 Advanced The following table describes the labels in this screen. Table 37 Wireless LAN: Advanced LABEL DESCRIPTION Wireless Advanced Setup RTS/ CT S Threshold Enter a value between 0 and 2432. If you sele ct the Enable 802.1 1g + mode checkbox, this field is grayed out and the Zy[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 118 7.5 OTIST In a wireless network, the wireless clients mu st have the same SSID and security settings as the access point (AP) or wireless router (we wi ll refer to both as “AP” here) in order to associate with it. T raditionally th is meant that you ha d to configure the settings on th[...]

P-660HW-D Series User’s Guide 119 Chapter 7 Wireless LAN Note: If you hold in the RESET button t oo long, the device will reset to the factory defaults! 7.5.1.1.2 W eb Configur ator Click the Network > Wireless LAN > OTIST . The following screen displays. Figure 62 OTIST The following table describes the labels in this screen. Table 38 OTIS[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 120 7.5.1.2 Wireless Client Start the ZyXEL utility and click the Adapter tab. Select the OTIST check box, enter the same Setup Key as your AP’ s and cl ick Save . Figure 63 Example Wireless Client OTIST Screen 7.5.2 St arting OTIST Note: Y ou must c lick Star t in the AP OTIST web configura[...]

P-660HW-D Series User’s Guide 121 Chapter 7 Wireless LAN 3 In the wireless client, you see this screen if i t can't find an OTIST -enabled AP (with the same Setup key ). Click OK to go back to the ZyXEL utility main screen. Figure 67 No AP with OTIST Found • If there is more than one OTIST -enabled AP w ithin range, you see a screen asking[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 122 7.6 MAC Filter The MAC filter screen allows you to configur e the ZyXEL device to give exclusive access to up to 32 devices ( Allow ) or exclude up to 32 de vices from accessing the ZyXEL device ( Deny ). Every Ethernet device has a unique MAC (Media Access Control) address. The MAC addres[...]

P-660HW-D Series User’s Guide 123 Chapter 7 Wireless LAN The following table describes the labels in this menu. 7.7 WMM QoS WMM (W i-Fi MultiMedia) QoS (Quality of Service) allows you to prioritize wireless traf fic according to the delivery requirements of individual services. WMM is a part of the IEEE 802.1 1e QoS enhanc ement to certified W i-[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 124 7.7.2 WMM QoS Priorities The following table describes the priorities that you can apply to traffi c that the ZyXEL device sends to the wireless network. 7.7.3 Services The commonly used services and port numbers ar e shown in the following table. Please refer to RFC 1700 for further infor[...]

P-660HW-D Series User’s Guide 125 Chapter 7 Wireless LAN HTTP(TCP:80) Hyper T ext Transfer Protocol - a cl ient/server protocol for the worl d wide web. HTTPS(TCP:443) HTTPS is a secured ht tp session of ten used in e-commerce. ICQ(UDP:4000) This is a popular Internet chat program. IKE(UDP:500) The Internet Key Exchange algorithm is used for key [...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 126 7.8 QoS Screen The QoS screen by default allows you to au tomatically give a service a priority level according to the T oS value in the IP header of the packets it sends. 7.8.1 T oS (T ype of Service) and WMM QoS T oS defines the DS (Differentiated Service) fiel d in the IP packet header [...]

P-660HW-D Series User’s Guide 127 Chapter 7 Wireless LAN Figure 70 Wireless LAN: QoS The following table describes the fields in this screen. Table 42 Wireless LAN: QoS LABEL DESCRIPTION QoS Enable WMM QoS Select the check box to enable WMM QoS on the ZyXEL device. WMM QoS Policy Select Default to have the ZyXEL device automatically give a servic[...]

P-660HW-D Se ries User’s Guide Chapter 7 Wireless LAN 128 7.8.2 Application Pr iority Configuration T o edit a WMM QoS application entry , click the edit icon under Modify . The following screen displays. Figure 71 Application Priority Configuration The following table describes the fields in this screen. T able 43 Application Priori ty Configura[...]

P-660HW-D Series User’s Guide 129 Chapter 7 Wireless LAN Apply Click Apply to save your changes back to the ZyXEL device. Cancel Click Cance l to return to the previous sc reen without savin g your changes. T able 43 Application Priori ty Configuration LABEL DESCRIPTION[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 130 C HAPTER 8 Network Address T ranslation (NA T) Screens This chapter discusses how to configure NA T on the ZyXEL device. 8.1 NA T Overview NA T (Network Address T ranslation - NA T , RFC 1631) is the translation of the IP address of a host in a packet, for exa[...]

P-660HW-D Series User’s Guide 131 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens 8.1.2 What NA T Do es In the simplest form, NA T changes the sour ce IP address in a packet received from a subscriber (the inside local address) to anothe r (the inside global address) before forwarding the packet to the W A N side. When the resp onse comes[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 132 8.1.4 NA T Application The following figure illustrates a possible NA T application, wher e three inside LANs (logical LANs using IP Alias) behind the ZyXEL devi ce can communicate with three distinct W AN networks. More examples follow at the end of this chap[...]

P-660HW-D Series User’s Guide 133 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens Port numbers do NOT change for One-to-One and Many-to-Many No Overload NA T mapping types. The following table summarizes these types. 8.2 SUA (Single User Account) V ersus NA T SUA (Single User Account) is a ZyNOS implemen tation of a subset of NA T that su[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 134 Figure 74 NA T General The following table describes the labels in this screen. 8.4 Port Forwarding A port forwarding set is a list of inside (behind NA T on the LAN) servers, for example, web or FTP , that you can make visible to the outsid e world even th ou[...]

P-660HW-D Series User’s Guide 135 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens 8.4.1 Default Se rver IP Address In addition to the servers for specified services, NA T supports a default server IP address. A default server receives packets from ports that are not specifie d in this screen. Note: If you do not assign a Default Serve r I[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 136 Figure 75 Multiple Servers Be hind NA T Example 8.5 Configuring Port Forwarding Note: The Port Forwarding screen is a vailable only when you select SUA Only in the NA T > General screen. If you do not assign a Default Server IP address, the ZyXEL device dis[...]

P-660HW-D Series User’s Guide 137 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens The following table describes th e fields in this screen. 8.5.1 Port Forwarding Rule Edit T o edit a port forwarding rule, c lick the rule’ s edit icon in the Port Forwarding screen to display the screen shown next. Figure 77 Port Forwarding Rule Setup T a[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 138 The following table describes th e fields in this screen. 8.6 Address Mapping Note: The Address Mapping screen is available only when you select Ful l Feature in the NA T > General screen. Ordering your rules is importan t because the ZyXEL device appli es [...]

P-660HW-D Series User’s Guide 139 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens Figure 78 Address Mapping Rule s The following table describes th e fields in this screen. Table 50 Address Mapp ing Rules LABEL DESCRIPTION # This is the rule index number . Local S tart IP Th is is the starting Inside Local IP Address (ILA). Local IP addre[...]

P-660HW-D Se ries User’s Guide Chapter 8 Network Address Translatio n (NAT) Screens 140 8.6.1 Address Mapping Rule Edit T o edit an address mapping rule, click the rule’ s edit icon in the Addr ess Mapping screen to display the screen shown next. Figure 79 Edit Address Mapping Rule The following table describes th e fields in this screen. Table[...]

P-660HW-D Series User’s Guide 141 Chapt er 8 Network Ad dress Transla tion (NAT) Scr eens Edit Details Click this link to go to the Port Forwarding screen to edit a server mapping set that you have selected in the Server Mapping Set field. Back Click Back to return to the previous screen. Apply Click Apply to save your changes back to the ZyXEL d[...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 142 C HAPTER 9 Firewalls This chapter gives some back ground information on firewa lls and introduces the ZyXEL device firewall. 9.1 Firewall Overview Originally , the term firewall referred to a construction techni que designed to prevent the spread of fire from one room to another . The ne twor[...]

P-660HW-D Series User’s Guide 143 Chapter 9 Firewalls 9.2.2 Applicatio n-level Firewalls Application-level firewalls restrict access by serv ing as proxies for e xternal servers. Since they use programs written for specific Internet servic es, such as HTTP, FTP and tel net, they can evaluate network packets for valid applicatio n-sp ecific data. [...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 144 • The LAN (Local Area Network) port attache s to a network of compute rs, which needs security from the outside world. These computer s will have access to Internet services such as e-mail, FTP , and the W orld W ide W e b. However , “inbound access” will not be allowed unless you confi[...]

P-660HW-D Series User’s Guide 145 Chapter 9 Firewalls Some of the most common IP ports are: 9.4.2 T ypes of DoS Attacks There are four types of DoS attacks: 1 Those that exploit bugs in a TCP/IP implementation. 2 Those that exploit weaknesses in the TCP/IP specification. 3 Brute-force attacks that flood a network with useless data. 4 IP Spoofing.[...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 146 Under normal circumstances, the applica tion that initiates a session sends a SYN (synchronize) packet to the receiving server . The receiver sends back an ACK (acknowledgment) packet and its own SYN, and then the in itiator responds with an ACK (acknowledgment). After this handsh ake, a c on[...]

P-660HW-D Series User’s Guide 147 Chapter 9 Firewalls Figure 83 Smurf Attack 9.4.2.1 ICMP V ulnerability ICMP is an error -reporting protocol that works in concert with IP . The following ICMP types trigger an alert: 9.4.2.2 Illegal Comma nds (NetBIOS and SMTP) The only legal NetBIOS commands are the following - all others are illegal. All SMTP c[...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 148 9.4.2.3 T r aceroute T raceroute is a utility used to determine th e path a packet takes between two endpoints. Sometimes when a packet filter firewall is conf igured incorrectly an at tacker can traceroute the firewall gaining knowledge of the network topology inside the firewall. Often, man[...]

P-660HW-D Series User’s Guide 149 Chapter 9 Firewalls The previous figure show s the ZyXEL device’ s default firewall rules in action as well as demonstrates how stateful inspection works. User A can initiate a T elnet session from within the LAN and responses to this request are allowe d. However other T elnet traffic initiated from the W AN i[...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 150 • Allow certain types of traffic from the In ternet to specific hosts on the LAN. • Allow access to a W eb server to everyone but competitors. • Restrict use of certain protocols, such as T elnet, to authoriz ed users on the LAN. These custom rules work by evaluating the networ k traffi[...]

P-660HW-D Series User’s Guide 151 Chapter 9 Firewalls A similar situation exists for ICMP , except that the ZyXEL device is ev en more restrictive. Specifically , only outgoing echoes will allow in coming echo replies, outgoing address mask requests will allow incoming address mask replies, and ou tgoing timestamp requests wi ll allow incoming ti[...]

P-660HW-D Se ries User’s Guide Chapter 9 Firewalls 152 • Encourage your co mpany or organization to develop a co mprehensive security pla n. Good network administration takes into ac count what hackers can do and prepares against attacks. The best defense against hack ers and crackers is information. Educate all employees about the importance o[...]

P-660HW-D Series User’s Guide 153 Chapter 9 Firewalls 9.7.1.1 When T o Use Filterin g • T o block/allow LAN pa cket s by their MAC addresses. • T o block/allow special IP packets which are neither TCP nor UDP , nor ICMP packets. • T o bloc k/allow both inbound (W AN to LAN) and outb ound (LAN to W AN) traffic between the specific inside hos[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 154 C HAPTER 10 Firewall Configuration This chapter shows you how to enable and configure t he ZyXEL device firewall. 10.1 Access Methods The web configurator is, by far , the most co mprehensive firewall configuration tool your ZyXEL device has to offer . For this reason, it is re[...]

P-660HW-D Series User’s Guide 155 Chapter 10 Firewall Configuration Note: If you configure firewall rules wit hout a good underst anding of how they work, you might inadvertently introduce securi ty risks to the f irewall and to the protected network. Make sure you test your rules af ter you configure t hem. For example, you may create rules to: [...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 156 4 Does a rule that allows Internet users acces s to resources on the LAN create a security vulnerability? For example, if FTP ports (TCP 20, 21) are al lowed from the Internet to t he LAN, Internet users may be able to connect to computers with running FTP servers. 5 Does this [...]

P-660HW-D Series User’s Guide 157 Chapter 10 Firewall Configuration 10.4.1 LAN to W AN Rules The default rule for LAN to W AN traffic is that all users on the LAN are allowed non- restricted access to the W AN. When you config ure a LAN to W AN rule, you in essence want to limit some or all users from accessing cer tain services on the W AN. W AN[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 158 The following table describes the labels in this screen. 10.6 Firewall Rules Summary Note: The ordering of your rule s is very import ant as rules are app lied in turn. Refer to Section 9.1 on page 142 for more information. Click Security > Fir ewall > Rules to bring up t[...]

P-660HW-D Series User’s Guide 159 Chapter 10 Firewall Configuration Figure 86 Firewall Rules The following table describes the labels in this screen. Table 57 Firewall Rules LABEL DESCRIPTION Firewall Rules S tora ge S pace in Use This read-only bar shows how much of the ZyXEL de vice's memory for recording firewall rules it is currently usi[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 160 10.6.1 Configuring Firewall Rules Refer to Section 9.1 on page 142 for more information. In the Rules screen, select an index number and click Add or click a rule’ s Edit icon to display this screen and refer to the following table for information on the labels. Action This f[...]

P-660HW-D Series User’s Guide 161 Chapter 10 Firewall Configuration Figure 87 Firewall: Edit Rule[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 162 The following table describes the labels in this screen. Table 58 Firewall: Edit Rule LABEL DESCRIPTION Active Select this option to ena ble this firewall rule. Action for Matched Packet Use the drop-down list box to select what the firewa ll is to do w ith packets that match t[...]

P-660HW-D Series User’s Guide 163 Chapter 10 Firewall Configuration 10.6.2 Customized Services Configure customized services and port numbers not predefined by the ZyXEL device. For a comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number Authority) website. For further informa tion on these se rvices, please re[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 164 10.6.3 Configuring A Customized Service Click a rule number in the Firewall Customized Services screen to create a new custom port or edit an existing one. This actio n displays the following screen. Refer to Section 9.1 on page 142 for more information. Figure 89 Firewall: Con[...]

P-660HW-D Series User’s Guide 165 Chapter 10 Firewall Configuration Figure 90 Firewall Example: Rules 3 In the Rules screen, select the index number after that you want to add the rule. For example, if you select “6”, your new rule b ecomes number 7 and the previous rule 7 (if there is one) becomes rule 8. 4 Click Add to display the firewall [...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 166 Figure 92 Firewall Example: Edit Ru le: Des tination Addres s 9 Use the Add >> and Remove buttons between A vailable Services and Selected Services list boxes to configure it as follows. Click Apply when you are done. Note: Custom services show up with an “*” before t[...]

P-660HW-D Series User’s Guide 167 Chapter 10 Firewall Configuration Figure 93 Firewall Example: Edit Rule: Select Customized Services On completing the configuration procedure for this Internet firewall rule, the Rules screen should look like the following. Rule 1 allows a “MyService” connection from the W AN to IP addresses 10.0.0.10 through[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 168 Figure 94 Firewall Example: Rules: MyService 10.8 Predefined Services The A vailable Services list box in the Edit Rule screen (see Section 1 0.6.1 on page 160 ) displays all predefined services that the ZyXEL device already supports. Next to th e name of the service, two field[...]

P-660HW-D Series User’s Guide 169 Chapter 10 Firewall Configuration H.323(TCP:1720) Net Meeting uses this proto col. HTTP(TCP:80) Hyper T ext Transfer Protocol - a cl ient/server protocol for the worl d wide web. HTTPS HTTPS is a secured ht tp session of ten used in e-commerce. ICQ(UDP:4000) This is a popular Internet chat program. IPSEC_TRANSPOR[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 170 10.9 Anti-Probing If an outside user attempts to probe an unsupp orted port on your ZyXEL device, an ICMP response packet is automatically returned. This allows the ou tside user to know the ZyXEL device exists. The ZyXEL de vice supports anti- probing, which prevents the ICMP [...]

P-660HW-D Series User’s Guide 171 Chapter 10 Firewall Configuration The following table describes the labels in this screen. 10.10 DoS Thresholds For DoS attacks, the ZyXEL device uses thresholds to dete rmine when to drop sessions that do not become fully established. These thre sholds apply globally to all sessions. Y ou can use the default thr[...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 172 If your network is slower than average for any of these factors (especially if you have servers that are slow or handle many tasks and are of ten busy), then the de fault values should be reduced. Y ou should make any ch anges to the threshold values before you continue con fig[...]

P-660HW-D Series User’s Guide 173 Chapter 10 Firewall Configuration 10.10.3 Configuring Firewall Thresholds The ZyXEL device also sends alerts whenever TCP Maximum Incomplete is exceeded. The global values specified for the threshold an d timeout apply to all TCP connections. Click Fir ewall , and Threshold to bring up the next screen. Figure 96 [...]

P-660HW-D Se ries User’s Guide Chapter 10 Firewall Configurat ion 174 Maximum Incomplete Low This is the number of existing half-open sessions that cau ses the firewall to stop deleting half-open sessions. Th e ZyXEL device continues to delete half-open requests as necessary , until the number of ex isting half-open sessions drops below this numb[...]

P-660HW-D Series User’s Guide 175 Chapter 10 Firewall Configuration[...]

P-660HW-D Se ries User’s Guide Chapter 11 Content Filtering 176 C HAPTER 11 Content Filtering This chapter covers how to configure content filtering. 1 1 .1 Content Filtering Overview Internet content filtering allows you to create and enforce Internet access policies tailored to your needs. Content filtering gives you the ab ility to block web s[...]

P-660HW-D Series User’s Guide 177 Chapter 11 Content Filtering The following table describes the labels in this screen. 1 1 .3 Configuring the Schedule T o set the days and times for the ZyXEL device to perform content filtering, click Security > Content Filter > Schedule . The screen appears as shown. Figure 98 Content Filter: Schedule Tab[...]

P-660HW-D Se ries User’s Guide Chapter 11 Content Filtering 178 The following table describes the labels in this screen. 1 1 .4 Configuring T rusted Computers T o exclude a range of users on the LAN from content filteri ng on your ZyXEL d evice, click Security > Content Filter > Tr u s t e d . The screen appears as shown. Figure 99 Content [...]

P-660HW-D Series User’s Guide 179 Chapter 11 Content Filtering[...]

P-660HW-D Se ries User’s Guide Chapter 12 Static Route 180 C HAPTER 12 S t atic Route This chapter shows you how to configure static routes for your ZyXEL device. 12.1 S t atic Route Each remote node specifies only the network to which the gateway is di rectly connected, and the ZyXEL device has no kn owledge of the ne tworks beyond. For instance[...]

P-660HW-D Series User’s Guide 181 Chapter 12 Static Route Figure 101 S tatic Route The following table describes the labels in this screen. 12.2.1 S t atic Route Edit Select a static route index numb er and click Edit . The screen shown next appears. Use this screen to configure the required information for a static route. T able 67 S t atic Rout[...]

P-660HW-D Se ries User’s Guide Chapter 12 Static Route 182 Figure 102 S tatic Route Edit The following table describes the labels in this screen. T able 68 S tatic Route Edit LABEL DESCRIPTION Active This field allows you to activa te/deactivate this st atic route. Route Name Enter the name of the IP static route. Leave this field blank to delete[...]

P-660HW-D Series User’s Guide 183 Chapter 12 Static Route[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 184 C HAPTER 13 Bandwid th Management This chapter contains information about configuri ng bandwidth management, editing rules and viewing the ZyXEL device’ s bandwidth management logs. 13.1 Bandwid th Management Overview ZyXEL ’ s Bandwidth Management allows you to speci fy band[...]

P-660HW-D Series User’s Guide 185 Chapter 13 Bandwidth Management The following figure shows LAN subnets. Y ou could config ure one bandwidth class for subnet A and another for subnet B . Figure 103 Subnet-based Ba ndwidt h Management Example 13.4 Application and Subnet-based Bandwid th Management Y ou could also create bandwidth classes based on[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 186 13.5.1 Priority-based Scheduler W ith the priority-based sc heduler , the ZyXEL de vice forwards traffic from bandwidth classes according to the priorities that you assign to the bandwidth classes. The lar ger a bandwidth class’ s priority number is, the higher the prio rity . [...]

P-660HW-D Series User’s Guide 187 Chapter 13 Bandwidth Management 13.6.2 Maximize Ba ndwid th Usage Example Here is an example of a ZyXEL de vice that has maximiz e bandwidth usage enab led on an interface. The following table shows each ba nd width class’ s bandwidth budget. The classes are set up based on subnets. The interface is set to 1024[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 188 • Research requires more bandwidth but only gets its budgeted 20 48 kbps because all of the unbudgeted and unu sed bandwidth goes to the higher priority sales and marketing classes. 13.6.2.2 Fairness-based Allotment of Unused and Unbudgeted Bandwid th The following table shows [...]

P-660HW-D Series User’s Guide 189 Chapter 13 Bandwidth Management 13.7 Over Allotment of Bandwid th Y ou can set the bandwidth management speed fo r an interface higher than the interface’ s actual transmission speed. Higher priority traf fi c gets to use up to its allocated bandwidth, even if it takes up all of the interface’ s ava ilable ba[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 190 The following table describes the labels in this screen. 13.9 Bandwid th Management Rule Setup Y ou must use the Bandwidth Management Summary scr een to enab le bandwidth management on an interface before yo u can configure rules for that interface. Click Advanced > Bandwidth [...]

P-660HW-D Series User’s Guide 191 Chapter 13 Bandwidth Management Figure 105 Bandwidth Management: Rule Setup The following table describes the labels in this screen. Table 76 Bandwid th Manageme nt: Rule Setup LABEL DESCRIPTION Direction Select LAN to apply bandwi dth management to traffic that the ZyXEL device forwards to the LAN. Select WA N t[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 192 13.9.1 Rule Configuration Click the Edit icon or select User Defined from the Serv ice drop-down lis t in the Rule Setup screen to configure a bandwidth management ru le. Use bandwidth rules to allocate specific amounts of bandwidth capacity (bandwidth budget s) to specific appli[...]

P-660HW-D Series User’s Guide 193 Chapter 13 Bandwidth Management Rule Name Use the auto-generated name or en ter a descriptive name of up to 20 alphanumeric characters, including spaces. BW Budget S pecify the maximum bandwidth allowed for the rule in kbps. The recommendation is a setting between 20 kbps and 20000 kbps for an individual rule. Pr[...]

P-660HW-D Se ries User’s Guide Chapter 13 Bandwidth Managemen t 194 13.10 Bandwid th Monitor T o view the Zy XEL device’ s bandw idth usage and al lotments, click Advanced > Bandwidth MGMT > Mon itor . The screen appears as shown. Select an interface from the drop-down list box to view the bandwidth usage of its bandwidth rules . The gray[...]

P-660HW-D Series User’s Guide 195 Chapter 13 Bandwidth Management Figure 107 Bandwidth Ma nagement: Monitor[...]

P-660HW-D Se ries User’s Guide Chapter 14 Dynamic DNS Setup 196 C HAPTER 14 Dynamic DNS Setup This chapter discusses how to configure your ZyXEL device to use Dynamic DNS. 14.1 Dynamic DNS Overview Dynamic DNS allows you to update your curre nt dynamic IP address with one or many dynamic DNS services so that anyone can c ont act you (in Ne tMeeti[...]

P-660HW-D Series User’s Guide 197 Chapter 1 4 Dynamic DNS Setup Figure 108 Dynamic DNS The following table describes th e fields in this screen. Table 79 Dynamic DNS LABEL DESCRIPTION Dynamic DNS Setup Active Dynamic DNS Select this check box to use dynamic DNS. Service Provider This is the name of yo ur Dynamic DNS service pr ovider . Dynamic DN[...]

P-660HW-D Se ries User’s Guide Chapter 14 Dynamic DNS Setup 198 Dynamic DNS server auto detect IP Address Select this option only when there are one or more NA T routers be tween the ZyXEL device and the DDNS server. This feat ure has the DDNS server automatically detect and use the IP address of th e NA T router that has a public IP address. Not[...]

P-660HW-D Series User’s Guide 199 Chapter 1 4 Dynamic DNS Setup[...]

P-660HW-D Se ries User’s Guide Chapter 15 Remote M anagement Configura tion 200 C HAPTER 15 Remote Management Configuration This chapter provides information on config uring remote management. 15.1 Remote Management Overview Remote management allows you to determ ine which services/protocols can access which ZyXEL device interface (if any) from w[...]

P-660HW-D Series User’s Guide 201 Chapter 15 Remote Manag ement Configuration • The IP address in the Secured Client IP field does not match th e client IP address. If it does not match, the ZyXEL device w ill disconnect the ses sion immediately . • There is already another rem ote management session with an equal or higher priority running. [...]

P-660HW-D Se ries User’s Guide Chapter 15 Remote M anagement Configura tion 202 The following table describes the labels in this screen. 15.3 T elnet Y ou can configure your ZyXEL device for remote T elnet access as shown next. The administrator uses T elnet from a computer on a re mote network to access the ZyXEL device. Figure 1 10 T elnet Conf[...]

P-660HW-D Series User’s Guide 203 Chapter 15 Remote Manag ement Configuration Figure 1 1 1 Remo te Manage ment: T e lnet The following table describes the labels in this screen. 15.5 Configuring FTP Y ou can upload and download the ZyXEL device ’ s firmware and configuration files usin g FTP , please see the chapter on firmware and configuratio[...]

P-660HW-D Se ries User’s Guide Chapter 15 Remote M anagement Configura tion 204 Figure 1 12 Remote Management: FTP The following table describes the labels in this screen. 15.6 SNMP Simple Network Management Protocol (SNM P) i s a protocol u sed for ex changing management information b etween network devices. SNMP is a member of the TCP/IP protoc[...]

P-660HW-D Series User’s Guide 205 Chapter 15 Remote Manag ement Configuration Figure 1 13 SNMP Management Model An SNMP managed network consis ts of two main types of comp onent: agen ts and a m anager . An agent is a management software module that resi des in a managed device (the ZyXEL device). An agent translates the loca l manage ment inform[...]

P-660HW-D Se ries User’s Guide Chapter 15 Remote M anagement Configura tion 206 15.6.2 SNMP T raps The ZyXEL device will send traps to the SNMP manager when any on e of the following events occurs: 15.6.3 Configuring SNMP T o change your ZyXEL de vice’ s SNMP settings, click Advance d > Remote MGMT > SNMP . The screen appears as shown. Fi[...]

P-660HW-D Series User’s Guide 207 Chapter 15 Remote Manag ement Configuration The following table describes the labels in this screen. 15.7 Configuring DNS Use DNS (Domain Name System) to map a domain name to its corresponding IP address and vice versa. Refer to the chapter on LAN for background information. T o change your ZyXEL device’ s DNS [...]

P-660HW-D Se ries User’s Guide Chapter 15 Remote M anagement Configura tion 208 Figure 1 15 Remote Management: DNS The following table describes the labels in this screen. 15.8 Configuring ICMP T o change your ZyXEL devi ce’ s security settings, click Advanced > Remote MGMT > ICMP . The screen appears as shown. If an outside user attempts[...]

P-660HW-D Series User’s Guide 209 Chapter 15 Remote Manag ement Configuration Figure 1 16 Remote Management: ICMP The following table describes the labels in this screen. Table 86 Remote Management: ICMP LABEL DESCRIPTION ICMP Internet Control Message Protocol is a message control and error-repo rting protocol between a host server and a gateway [...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 210 C HAPTER 16 Universal Plug-and-Play (UPnP) This chapter introduces the UPnP feature in the web configura tor . 16.1 Introducing Universal Plug and Play Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for simple peer-to-peer net[...]

P-660HW-D Series User’s Guide 211 Chapter 16 Universa l Plug-and-Play (UPnP) 16.1.3 Cautions with UPnP The automated nature of NA T traversal applications in establishing their own services and opening firewall ports ma y present network security issues. Network information and configuration may also be obtained and mo difi ed by users in some ne[...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 212 The following table describes the fields in this screen. 16.3 Inst alling UPnP in Windows Example This section shows ho w to install UPnP in W indows Me and W indows XP . 16.3.1 Inst alling UPnP in Windows Me Follow the steps below to inst all the UPnP in W indows Me. 1[...]

P-660HW-D Series User’s Guide 213 Chapter 16 Universa l Plug-and-Play (UPnP) Figure 1 18 Add/Remove Programs: Windows Setup: Communication 3 In the Communications window , select the Universal Plug and Play check box in the Components selection box. Figure 1 19 Add/Remove Programs: Windows Setup: Communication: Compone nts 4 Click OK to go back t[...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 214 16.3.2 Inst alling UPnP in Windows XP Follow the steps below to install the UPnP in Windows XP . 1 Click start and Contr ol Panel . 2 Double-click Network Connections . 3 In the Network Connections window , click Advanced in the main menu and select Optional Networking [...]

P-660HW-D Series User’s Guide 215 Chapter 16 Universa l Plug-and-Play (UPnP) Figure 122 Networking Services 6 Click OK to go back to the W indows Optional Networking Component Wizard window and click Next . 16.4 Using UPnP in Windows XP Example This section shows yo u how to use the UPn P feature in W indows XP . Y ou mu st already have UPnP inst[...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 216 Figure 123 Network Connections 3 In the Internet Connection Properties window , click Se ttings to see the port mappings there were automatically created. Figure 124 Internet Connection Properties 4 Y ou may edit or delete the port map pings or click Add to manually add[...]

P-660HW-D Series User’s Guide 217 Chapter 16 Universa l Plug-and-Play (UPnP) Figure 125 Internet Connection Properties: Adva nced Settings Figure 126 Internet Connection Proper ties: Adva nced Settings: Add Note: When the UPnP-enabled device is disconnect ed from your computer , all port mappings will be deleted automatically . 5 Select Show icon[...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 218 6 Double-click on the icon to display yo ur curr ent Internet co nnection sta tus. Figure 128 Internet Connection S tatus 16.4.2 We b Configurator Easy Access W ith UPnP , you can access the web-bas ed configur ator on the ZyXEL device without finding out the IP address[...]

P-660HW-D Series User’s Guide 219 Chapter 16 Universa l Plug-and-Play (UPnP) Figure 129 Network Connections 4 An icon with the description for e ach UPnP-enabled device disp lays under Local Network . 5 Right-click on the icon for your Zy XEL device and select Invoke . The web configurator login screen displays.[...]

P-660HW-D Se ries User’s Guide Chapter 16 Universa l Plug-and-Play (UPnP) 220 Figure 130 Network Connections: My Network Places 6 Right-click on the icon for your Zy XEL device and select Pr operties . A properties window displays with basic info rmation about the ZyXEL device. Figure 131 Network Connections: My Networ k Places: Properties: Examp[...]

P-660HW-D Series User’s Guide 221 Chapter 16 Universa l Plug-and-Play (UPnP)[...]

P-660HW-D Se ries User’s Guide Chapter 17 System 222 C HAPTER 17 System Use this screen to configure the Zy XEL device’ s time and date settings. 17.1 General Setup 17.1.1 General Setup and System Name General Setup contains administrative and system-related information. System Name is for identification purposes. However , because some ISPs ch[...]

P-660HW-D Series User’s Guide 223 Chapter 17 Syst em Figure 132 System General Setu p The following table describes the labels in this screen. T able 88 System General Setup LABEL DESCRIPTION General Setup System Name Choose a descriptive name for identificatio n purposes. It is recommended you enter your computer’s “Compu ter name” in this[...]

P-660HW-D Se ries User’s Guide Chapter 17 System 224 17.2 T ime Setting T o change your ZyXEL devi ce’ s time and date, click Maintenance > System > Time Setting . The screen appears as shown. Use this screen to configure the ZyXEL device’ s time ba sed on your local time zone. Figure 133 System T ime Setting Admin Password If you log i[...]

P-660HW-D Series User’s Guide 225 Chapter 17 Syst em The following table describes th e fields in this screen. Table 89 System T ime Setting LABEL DESCRIPTION Current T ime and Date Current T ime This field displays the ti me of your ZyXEL device. Each time you reload this page, the ZyXEL device synchronizes the time with the time server . Curren[...]

P-660HW-D Se ries User’s Guide Chapter 17 System 226 S tart Date Configure the day and time when Da ylight Saving Time starts if you selected Enable Daylight Saving . The o'clock field uses the 24 hour format. Here are a couple of examples: Daylight Saving Time st arts in most p arts of the United S tates on the first Sunday of April. Each t[...]

P-660HW-D Series User’s Guide 227 Chapter 17 Syst em[...]

P-660HW-D Se ries User’s Guide Chapter 18 Logs 228 C HAPTER 18 Logs This chapter contains inform ation about configuring genera l log settings and viewing the ZyXEL device’ s logs. Refer to the append ix for example log message explanations. 18.1 Logs Overview The web confi gurator allows you to choose which categories of events and/or alerts t[...]

P-660HW-D Series User’s Guide 229 Chapter 18 Logs Figure 134 V iew Log The following table describes the fields in this screen. 18.3 Configuring Log Settings Use the Log Settings screen to configure to where the ZyXEL device is to send logs; the schedule for when the ZyXEL device is to sen d the logs and which logs and/or immed iate alerts the Zy[...]

P-660HW-D Se ries User’s Guide Chapter 18 Logs 230 Alerts are e-mailed as soon as they happen. Logs may be e-ma iled as soon as the log is full. Selecting many alert and/or log categories (especially Access Control ) may result in many e- mails being sent. Figure 135 Log Settings The following table describes the fields in this screen. Table 91 L[...]

P-660HW-D Series User’s Guide 231 Chapter 18 Logs Send Log T o The ZyXEL device send s logs to the e-mail addr ess specified in this field. If this field is left blank, the ZyXEL device does not send logs via e-mail. Send Alerts T o Alerts are real-time notifications that are sent as soon as an event, such as a DoS attack, system error , or fo rb[...]

P-660HW-D Se ries User’s Guide Chapter 18 Logs 232 18.3.1 Example E-mail Log An "End of Log" message displays for each ma il in which a complete log has been sent. The following is an example of a log sent by e-mail. • Y ou may edit the subject title. • The date format here is Day-Month-Y ear . • The date format here is Month-Day-[...]

P-660HW-D Series User’s Guide 233 Chapter 18 Logs[...]

P-660HW-D Se ries User’s Guide Chapter 19 Tools 234 C HAPTER 19 To o l s This chapter describes how to upload new firm ware, manage configuration and restart your ZyXEL device. 19.1 Firmware Upgrade Find firmware at www .zyxel.com in a file that (usually) uses the system model name with a.bin extension , for example, "ZyXEL device.bin "[...]

P-660HW-D Series User’s Guide 235 Chapter 19 Tools Note: Do NOT turn off th e ZyXEL device while firmware upload is in progress! After you see the Firmware Upload in Pr ogr ess screen, wait two minutes before logging into the ZyXEL device again. Figure 138 Firmware Uplo ad In Progres s The ZyXEL device automatically restarts in this time causing [...]

P-660HW-D Se ries User’s Guide Chapter 19 Tools 236 Figure 140 Error Message 19.2 Configuration Screen Click Maintenance > T ools > Configuration . Information related to factory defaults, backup configuration, and rest oring configuration appears as shown next. Figure 141 Configuration 19.2.1 Backup Configuration Backup configuratio n allo[...]

P-660HW-D Series User’s Guide 237 Chapter 19 Tools 19.2.2 Restore Configuration Restore configuration allows you to upload a new or previously saved configuration file from your computer to your ZyXEL device. Note: Do not turn of f the ZyXEL device while c onfiguration file upload is in progress After you see a “Restore Configuration successful[...]

P-660HW-D Se ries User’s Guide Chapter 19 Tools 238 Figure 144 Configuration Restore Er ror 19.2.3 Back to Factory Default s Pressing the RESET button in this section clears all us er -entered configuration information and returns the ZyXEL device to its factory defaults. Y ou can also press the RESET button on the rear panel to reset the factory[...]

P-660HW-D Series User’s Guide 239 Chapter 19 Tools[...]

P-660HW-D Se ries User’s Guide Chapter 20 Diagnostic 240 C HAPTER 20 Diagnostic These read-only screens display information to help you identify problems with the ZyXEL device. 20.1 General Diagnostic Click Maintenance > Diagnostic to open the screen shown next. Figure 146 Diagnostic: General The following table describes th e fields in this s[...]

P-660HW-D Series User’s Guide 241 Chapter 20 Diagnostic 20.2 DSL Line Diagnostic Click Maintenance > Diagnostic > DSL Line to open the screen shown next . Figure 147 Diagnostic: DSL Line The following table describes th e fields in this screen. Table 95 Diagnostic: DSL Line LABEL DESCRIPTION A TM S tatus Click this button to view A TM statu[...]

P-660HW-D Se ries User’s Guide Chapter 21 Troubleshooting 242 C HAPTER 21 T roubleshooting This chapter covers potential proble ms and the corresponding remed ies. 21.1 Problems St arting Up the ZyXEL device 21.2 Problems with the LAN Table 96 Troubleshootin g Starting Up Your ZyXEL device PROBLEM CORRECTIVE ACTION None of the LEDs turn on when I[...]

P-660HW-D Series User’s Guide 243 Chapter 21 Troublesh ooting 21.3 Problems with the W AN Table 98 Troubleshootin g the WAN PROBLEM CORRECTIVE ACTION The DSL LED is off. Check the telephone wire and connection s between the ZyXEL device DSL port and the wall jack. Make sure that the telephone company has checked your phone line and set it up for [...]

P-660HW-D Se ries User’s Guide Chapter 21 Troubleshooting 244 21.4 Problems Accessing the ZyXEL device Table 99 Troubleshoot ing Accessin g the ZyX EL device PROBLEM CORRECTIVE ACTION I cannot access the ZyXEL device. The default user password is “user” and admin password is “1234”. The Passwo rd field is case-sensitive. Make sure that yo[...]

P-660HW-D Series User’s Guide 245 Chapter 21 Troublesh ooting[...]

P-660HW-D Se ries User’s Guide Appendix A Product Specifications 246 A PPENDIX A Product S pecifications See also the Introduction ch apter for a general overv iew of the key featur es. S pecification T ables Table 100 Device Default IP Address 192.168.1 .1 Default Subnet Mask 255.255 .255.0 (24 bits) Default Password 1 234 DHCP Pool 192.168.1.33[...]

P-660HW-D Series User’s Guide 247 Appendix A Product Specifications Table 101 Firmware ADSL S tandards Multi-Mode standard (ANSI T1.413,Issu e 2; G .dmt(G .992 .1); G . lite(G992.2)). ADSL2 G .dmt.bi s (G .992.3) ADSL2 G .lite.bis (G .992.4) ADSL2+ (G .992.5) Reach-Extended ADSL (RE ADSL) SRA (Seamless Rate Adaptation) Auto-negotiating rate adapt[...]

P-660HW-D Se ries User’s Guide Appendix A Product Specifications 248 Firewall S tateful Packet Inspection. Prevent Denial of Service attacks such as Ping of Death, SYN Flood, LAND, Smurf etc. Real time E-mail alerts. Reports and logs. NA T/SUA Port Forwarding 1024 NA T sessi ons Multimed ia appl ication PPTP under NA T/SU A IPSec passthrough SIP [...]

P-660HW-D Series User’s Guide 249 Appendix A Product Specifications[...]

P-660HW-D Se ries User’s Guide Appendix B About ADSL 250 A PPENDIX B About ADSL Introduction to DSL DSL (Digital Subscriber Line) te chnology enhances the data ca pacity of the existing twisted- pair wire that runs betwee n the local telephone co mpany switching of fi ces and most homes and offices. While the wire itself can handle higher frequen[...]

P-660HW-D Series User’s Guide 251 Appendix B About ADSL 2 Because your line is dedicated (not shared ), transmission speed s between you and the device to which you con nect at your service provider are not af fected by oth er users. W ith cable modems, transmission sp eeds drop significa ntly as mo re users go on-line because the line is shared.[...]

P-660HW-D Se ries User’s Guide Appendix C Wa ll-mounting In structions 252 A PPENDIX C W all-mounting Instructions Do the following to hang yo ur ZyXEL device on a wall. Note: See the product specifications appe ndix for the size of screws to use and how far apart to place them. 1 Locate a high posit ion on wall that is free of ob structions. Use[...]

P-660HW-D Series User’s Guide 253 A ppendix C Wall-mounting Instr uctions[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 254 A PPENDIX D Setting up Y our Computer ’ s IP Address All computers must have a 10M or 100M Et hernet adapter card and TCP/IP installed. W indows 95/98/Me/NT/2000/XP , Macintosh OS 7 and later operating systems and all versions of UNIX/LINUX include the softwar[...]

P-660HW-D Series User’s Guide 255 Appendix D Setting up Your Computer’s IP Address Figure 149 WIndows 95/98 /Me: Networ k: Configuratio n Inst alling Components The Network window Configuration tab displays a list of installed components. Y ou need a network adapter , the TCP/IP protocol and Client for Microso ft Networks. If you need the adapt[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 256 3 Select Microsoft from the list of manufacturers. 4 Select Client for Microsoft Networks from the list of network clients and then click OK . 5 Restart your computer so the changes you made take ef fect. Configuring 1 In the Network window Configuration tab, se[...]

P-660HW-D Series User’s Guide 257 Appendix D Setting up Your Computer’s IP Address Figure 151 Windows 95/98/Me : TCP/IP Pr operties: DNS Configuration 4 Click the Gateway tab. • If you do not know your gateway’ s IP address, remove previously installed gateways. • If you have a gateway IP address, type it in the New gateway field and clic[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 258 Figure 152 Windows XP: S tart Menu 2 In the Control Panel , double-click Network Connections ( Network and Dial-up Connections in W indows 2000/NT). Figure 153 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Pr oper ties .[...]

P-660HW-D Series User’s Guide 259 Appendix D Setting up Your Computer’s IP Address Figure 154 Windows XP: Control Panel: Network Connections: Pro perties 4 Select Internet Protocol (TCP/IP) (under the Genera l tab in W in XP) and then click Properties . Figure 155 Windows XP: Local Area Conne ction Properties 5 The Internet Pr otocol TCP/IP Pro[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 260 • If you have a static IP address click Use the following IP Address and fill in the IP addr ess , Subnet mask , and Default gateway fields. • Click Advanced . Figure 156 Windows XP: Internet Protocol (TCP/IP) Propert ies 6 If you do not know your gateway&ap[...]

P-660HW-D Series User’s Guide 261 Appendix D Setting up Your Computer’s IP Address Figure 157 Windows XP: Advanced TCP/IP Properties 7 In the Internet Protocol TCP/IP Pr operties window (the General tab in W indows XP): • Click Obtain DNS server address automatically if you do not know your DNS server IP addre ss(es). • If you know your DNS[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 262 Figure 158 Windows XP: Internet Protocol (TCP/IP) Propert ies 8 Click OK to close the Internet Protocol (TCP/IP) Pr operties window . 9 Click Close ( OK in W indows 2000/NT) to close the Local Area Connection Pr operties window . 10 Close the Network Connections[...]

P-660HW-D Series User’s Guide 263 Appendix D Setting up Your Computer’s IP Address Figure 159 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 160 Macintosh O S 8/9: TC P/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configur e: list.[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 264 4 For statically assigned settings, do the following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP address of your ZyXEL device in the Route[...]

P-660HW-D Series User’s Guide 265 Appendix D Setting up Your Computer’s IP Address Figure 162 Macintosh O S X: Netw ork 4 For statically assigned settings, do the following: •F r o m t h e Configure box, select Manually . • T ype your IP address in the IP Address box. • T ype your subnet mask in the Subnet mask box. • T ype the IP addre[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 266 Note: Make sure you are logged in as the ro ot administrator . Using the K Desktop Environment (KDE) Follow the steps below to configure your computer IP address using the KDE. 1 Click the Red Hat button (located on the bottom left corner), select System Setting[...]

P-660HW-D Series User’s Guide 267 Appendix D Setting up Your Computer’s IP Address • If you have a dynamic IP address click Automatically obtain IP address settings with and select dhcp from the drop down list. • If you have a static IP address click S tatically set IP Addresses and fill in the Address , Subnet mask , and Default Gateway Ad[...]

P-660HW-D Se ries User’s Guide Appendix D Setting up Your Computer’s IP Address 268 1 Assuming that you have only one network card on the computer , locate the ifconfig- eth0 configuration file (where eth0 is the name of the Ethernet card). Open the configuration file with any plain text editor . • If you have a dynamic IP ad dress, enter dhc[...]

P-660HW-D Series User’s Guide 269 Appendix D Setting up Your Computer’s IP Address Figure 170 Red Hat 9.0: Restart Eth ernet Card 21.4.1 V erifying Settings Enter ifconfig in a terminal screen to ch eck your TCP/IP properties. Figure 171 Red Hat 9.0: Checking TCP/IP Properties [root@localhost init.d]# network res tart Shutting down interface et[...]

P-660HW-D Se ries User’s Guide Appendix E IP Subnetting 270 A PPENDIX E IP Subnetting IP Addressing Routers “route” based on the network number . The router that delivers the data packe t to the correct destination host uses the host ID. IP Classes An IP address is made up of four octets (ei ght bits), wri tten in dotted decimal notation, for[...]

P-660HW-D Series User’s Guide 271 Appendix E IP Subnettin g Since the first octet of a class “A” IP address must contain a “0”, the first octet of a class “A” address can have a valu e of 0 to 127. Similarly the first octet of a class “B” must begi n with “10”, therefore the first octet of a class “B” address has a valid r[...]

P-660HW-D Se ries User’s Guide Appendix E IP Subnetting 272 For example, 192.1.1 .0 /25 is equivalent to saying 1 92.1.1.0 with mask 25 5.255.255.12 8. The following table shows all possible subnet masks for a class “C” address using both notations. The first mask shown is the class “C” natural m ask. Normally if no mask is specified it i[...]

P-660HW-D Series User’s Guide 273 Appendix E IP Subnettin g The remaining 7 bits determine the number of hosts each subnet can have. Host IDs of all zeros represent the subnet itself and host IDs of all ones are the broadcast addres s for that subnet, so the actual number of hosts availabl e on each subnet in the example above is 2 7 – 2 or 126[...]

P-660HW-D Se ries User’s Guide Appendix E IP Subnetting 274 Example: Four Subnet s The above exampl e illustrated using a 25-bit subne t mask to divide a class “C” address space into two subnets. Similarly to divide a class “C” address into four subnets, you need to “borrow” two host ID bits to give four possible combinations of 00 , [...]

P-660HW-D Series User’s Guide 275 Appendix E IP Subnettin g Example Eight Subnet s Similarly use a 27-bit mask to create 8 subnets (001, 010, 01 1, 100, 101, 1 10). The following table shows class C IP ad dress last octet values for each subnet. The following table is a summary for class “C” subnet planning. Table 112 Subnet 4 IP/SUBNET MASK [...]

P-660HW-D Se ries User’s Guide Appendix E IP Subnetting 276 Subnetting With Class A and Class B Networks. For class “A” and class “B” addresses the subnet ma sk also determines which bits are part of the network number and which are part of the h ost ID. A class “B” address has two host ID octets ava ilable for subnetting and a class [...]

P-660HW-D Series User’s Guide 277 Appendix E IP Subnettin g[...]

P-660HW-D Se ries User’s Guide Appendix F Comma nd Interpr eter 278 A PPENDIX F Command Interpreter The following describes how to u se the command interpreter . Y o u can telnet to access the CLI (Command Line Interface) on the ZyXEL device. See the included disk or zyxel.com for more detailed information on these commands. Note: Use of undocume[...]

P-660HW-D Series User’s Guide 279 Appendix F Command Interpr eter[...]

P-660HW-D Se ries User’s Guide Appendix G Firewall Com mands 280 A PPENDIX G Firewall Commands The following describes the firewall commands. Table 116 Firewall Commands FUNCTION COMMAND DESCRIPTION Firewall Se tUp config edit firewall active <yes | no> This command turns the firewall on or off. config retrieve firewall This co mmand return[...]

P-660HW-D Series User’s Guide 281 App endix G Fire wall Commands E-mail config edit firewall e-mail mail-server <ip address of mail server> This command sets the IP address to which the e-mail messages are sent. config edit firewall e-mail return-addr <e-mail address> This command sets the source e-mail add ress of the firewall e-mail[...]

P-660HW-D Se ries User’s Guide Appendix G Firewall Com mands 282 config edit firewall attack minute-high <0-255> This command sets the threshold rate of new half-open sessions per minute where the ZyXEL device starts deleting old half-opened sessions until it gets t hem down to the minute- low threshold. config edit firewall attack minute-l[...]

P-660HW-D Series User’s Guide 283 App endix G Fire wall Commands Config edit firewall set <set #> tcp-idle-timeout <seconds> This command sets how long ZyXEL device lets an inactive TCP connection re main open before considering it closed. Config edit firewall set <set #> log <yes | no> This command sets whether or not the[...]

P-660HW-D Se ries User’s Guide Appendix G Firewall Com mands 284 config edit firewall set <set #> rule <rule #> destaddr- single <ip address> This command sets the rule to have the ZyXEL device check fo r traffic with this individual destination ad dress. config edit firewall set <set #> rule <rule #> destaddr- subne[...]

P-660HW-D Series User’s Guide 285 App endix G Fire wall Commands config delete firewall set <set #> rule<rule #> This command removes the specified rul e in a firewall configuration set. Table 116 Firewall Commands ( continued) FUNCTION COMMAND DESCRIPTION[...]

P-660HW-D Se ries User’s Guide Appendix H NetBIOS Filter Commands 286 A PPENDIX H NetBIOS Filter Commands The following describes the Ne tBIOS packet filter commands. Introduction NetBIOS (Network Basic Input/Output System ) are TCP or UDP broadcast packets that enable a computer to connect to and communicate with a LAN. For some dial-up services[...]

P-660HW-D Series User’s Guide 287 Appendix H NetBIOS Filter Commands The filter types and their defa ult settings are as follows. NetBIOS Filter Configuration Syntax:sys filter netbios config <ty pe> <on|off> where Table 117 NetBIOS Filter Default Settings NAME DESCRIPTION EXAMPLE Between LAN and WAN This field displays whether NetBIO[...]

P-660HW-D Se ries User’s Guide Appendix I PPP oE 288 A PPENDIX I PPPoE PPPoE in Action An ADSL modem bridges a PPP session over Ethernet (PPP ov er Ethernet, RFC 2516) from your computer to an A TM PVC (Permanent V irt ual Circ uit) which connects to a DSL Access Concentrator where the PPP session terminates (see F igure 172 on p age 289 ). One P[...]

P-660HW-D Series User’s Guide 289 Appendix I PPPoE Figure 172 Single-Compute r per Router Hard ware Configuration How PPPoE W orks The PPPoE driver makes the Ethernet appea r as a serial link to the computer and the computer runs PPP over it, while the modem bridges the Ethernet frames to the Access Concentrator (AC). Between the AC and an ISP , [...]

P-660HW-D Se ries User’s Guide Appendix J Splitters and Microfilters 290 A PPENDIX J S plitters and Microfilters This appendix tells you how to install a POTS splitter or a telephone microfilter . Connecting a POTS S plitter When you use the Full Rate (G .dmt) ADSL standard, you ca n use a POTS (Plain Old T elephone Service) splitter to separate [...]

P-660HW-D Series User’s Guide 291 Appen dix J Splitters and Microfilt ers 2 Connect a cable from the wall jack to the “wall side” of the microfilter . 3 Connect the “phone side” of the microfilter to your telephone as sh own in the following figure. 4 After you are done, make sur e that your telephone work s. If your telephone do es not w[...]

P-660HW-D Se ries User’s Guide Appendix J Splitters and Microfilters 292 ZyXEL device With ISDN This section relates to people who use thei r ZyXEL device with ADSL over ISDN (digital telephone service) only . The following is an ex ample installation for the ZyXEL device with ISDN. Figure 177 ZyXEL device with ISDN[...]

P-660HW-D Series User’s Guide 293 Appen dix J Splitters and Microfilt ers[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 294 A PPENDIX K Log Descriptions This appendix provides descrip tions of example log messages. Table 118 System Maintenance Logs LOG MESSAGE DESCRIPTION Time calibration is successful The router has adjusted its time based on informati on from the time server . Time calibration failed Th[...]

P-660HW-D Series User’s Guide 295 Appendix K Log Descriptions Successful HTTPS login Someone has logged on to the router's web configurator interface using HTTPS protocol. HTTPS login failed Someo ne has failed to log on to the router's web configurator interface using HTTPS protocol. Table 119 System Error Logs LOG MESSAGE DESCRIPTION [...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 296 Table 121 TCP Reset Lo gs LOG MESSAGE DESCRIPTION Under SYN flood attack, sent TCP RST The router sent a TCP reset packet when a host was u nder a SYN flood attack (the TCP incomplete count is per desti nation host.) Exceed TCP MAX incomplete, sent TCP RST The router sent a TCP reset[...]

P-660HW-D Series User’s Guide 297 Appendix K Log Descriptions Table 123 ICMP Logs LOG MESSAGE DESCRIPTION Firewall default policy: ICMP <Packet Direction>, <type:%d>, <code:%d> ICMP access matched the default policy and was blocked or forwarded according to the user's setting. For type and code details, see T a ble 135 on p[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 298 ppp:LCP Closing Th e PPP connection’s Link Control Protocol stage is closing. ppp:IPCP Closing Th e PPP connection’s Internet Protocol Control Protocol stage is closing. Table 126 UPnP Logs LOG MESSAGE DESCRIPTION UPnP pass through Firewall UPnP packets can pass through the firew[...]

P-660HW-D Series User’s Guide 299 Appendix K Log Descriptions Connecting to content filter server fail The connection to the external content fi ltering server failed. License key is invalid The external content filter in g license key is invalid. Table 128 Attack Logs LOG MESSAGE DESCRIPTION attack [TCP | UDP | IGMP | ESP | GRE | OSPF] The firew[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 300 Table 129 IPSec Logs LOG MESSAGE DESCRIPTION Discard REPLAY packet The router re ceived and discarded a packet with an incorrect sequence number . Inbound packet authentication failed The router received a packet that has been altered. A third party may have altered or tampered with [...]

P-660HW-D Series User’s Guide 301 Appendix K Log Descriptions Cannot resolve Secure Gateway Addr for rule <%d> The router couldn’t resolve t he IP address from the domain name that was used for the secure gateway address. Peer ID: <peer id> <My remote type> -<My local type> The displayed ID information did not match betw[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 302 XAUTH fail! Username: <Username> The router was not able to use extended authentication to authenticate the listed username. Rule[%d] Phase 1 negotiation mode mismatch The listed rule’s IKE phase 1 negotiation mode did not ma tch between the router and the peer . Rule [%d] Ph[...]

P-660HW-D Series User’s Guide 303 Appendix K Log Descriptions Rule [%d] phase 2 mismatch The l isted rule’s IKE phase 2 di d not ma tch betwe en the router and the peer . Rule [%d] Phase 2 key length mismatch The listed rule’s IKE phase 2 key lengths (with the AES encryption algorithm) di d not match between the router and the peer . Table 13[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 304 Rcvd data <size> too large! Max size allowed: <max size> The router received dire ctory data that was too large (the size is listed) from the LDAP server whose address and port are recorded in the Source field. The maximu m size of di rectory data that the router allows i[...]

P-660HW-D Series User’s Guide 305 Appendix K Log Descriptions 26 Database method failed. 27 Path was not verified. 28 Maximum path length reached. Table 133 802.1X Logs LOG MESSAGE DESCRIPTION Local User Database accepts user. A user was authenticated by the local user database. Local User Database reports us er credential error. A user was not a[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 306 Table 134 ACL Setting Notes P ACKET DIRECTION DIRECTION DESCRIPTION (L to W) LAN to W AN ACL set for packet s traveling from the LAN to the W AN. (W to L) WAN to LAN ACL set for p ackets traveling from the W AN to the LAN. (L to L) LAN to LAN/ ZyXEL device ACL set for packet s travel[...]

P-660HW-D Series User’s Guide 307 Appendix K Log Descriptions The following table shows RFC-2408 ISAKMP payload types that the log displays. Please refer to the RFC for detailed information on each type. 0 T imestamp request message 14 T imestamp Reply 0 T imestamp reply message 15 Information Request 0 Information request message 16 Informat ion[...]

P-660HW-D Se ries User’s Guide Appendix K L og Descriptions 308 Log Commands Go to the command in terpreter interface. Configuring What Y ou W ant the ZyXEL device to Log 1 Use the sys logs load command to load the log setting buffer that allows you to configure which logs the ZyXEL device is to reco rd. 2 Use sys logs category to view a list of [...]

P-660HW-D Series User’s Guide 309 Appendix K Log Descriptions • Use the sys logs display [log category] comm and to show the logs in an individ ual ZyXEL device log category . • Use the sys logs clear command to erase all of the ZyXEL device’ s logs. Log Command Example This example shows how to set the ZyXEL device to record the access log[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 310 A PPENDIX L Wireless LANs Wireless LAN T opologies This section discusses ad-hoc and in frastructure w ireless LAN topologies. Ad-hoc Wireless LAN Configuration The simplest WLAN configuration is an inde pendent (Ad-hoc) WLAN that connects a set of computers with wireless adapters (A, B[...]

P-660HW-D Series User’s Guide 311 Appendix L Wireless LANs Figure 181 Basic Service Set ESS An Extended Service Set (ESS) consists of a series of overlappi ng BSSs, each containing an access point, with each access point connected together by a wired network. This wired connection between APs is called a Distribution System (DS). This type of wir[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 312 Figure 182 Infrastructure WLAN Channel A channel is the radio frequency(ies) used by IEEE 802.1 1a/b/g wireless devices. Channels available depend on your ge ographical area. Y ou may have a cho ice of channels (for your region) so you should use a dif ferent channel th an an adjacent A[...]

P-660HW-D Series User’s Guide 313 Appendix L Wireless LANs Figure 183 RTS/ CT S When station A sends data to the AP , it might not know that the station B is already using the channel. If these two stations se nd data at the same time, collis ions may occur when both sets of data arrive at the AP at the same time, r esulting in a loss of me ssage[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 314 A large Fragmentation Thr eshold is recommended for networks not prone to interference while you should set a smaller thresh old for busy networks or ne tworks that are prone to interference. If the Fragmentation Threshold value is smaller than the RTS / C T S value (see previously) you[...]

P-660HW-D Series User’s Guide 315 Appendix L Wireless LANs Wireless Security Overview W ireless security is vital to your netw ork to protect wireless co mmunication be tween wireless clients, access points and the wired network. W irele ss security methods availa ble on the ZyXEL device are data encryption, wireless client authentication, restri[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 316 RADIUS RADIUS is based on a client-server model that supports authentication, authorization and accounting. The access point is the client and the server is th e RADIUS server . The RADIUS server handles the following tasks: • Authentication Determines the identity of the users. • A[...]

P-660HW-D Series User’s Guide 317 Appendix L Wireless LANs In order to ensure network security , the access point and the RADIUS server use a shared secret key, which is a password, they both know . The key is not sent ov er the network. In addition to the shared key , pass word information exchanged is also encrypted to protect the network from [...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 318 PEAP (Protected EAP) Like EAP-TTLS, server-side certific ate authentication is used to establish a secure connection, then use simple username and p assword methods through the secured connection to authenticate the clients, thus hiding client identity . However , PEAP only supports EAP[...]

P-660HW-D Series User’s Guide 319 Appendix L Wireless LANs WP A and WP A2 W i-Fi Protected Ac cess (WP A) is a subset of the IEEE 802.1 1i standard. WP A2 (IEEE 802.1 1 i) is a wireless security standard that defines stronger encryp tion, authentication and key manage ment than WP A. Key differences between WP A or WP A2 and W EP are improved dat[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 320 By generating unique data encryption keys for ev ery data packet and by creating an integrity checking mechanism (MIC), with TKIP and AES it is more difficult to decrypt data on a W i-Fi network than WEP and dif ficult for an intruder to break into the network. The encryption mechanisms[...]

P-660HW-D Series User’s Guide 321 Appendix L Wireless LANs 3 The RADIUS server distributes a Pairwise Mast er Key (PMK) key to th e AP that then sets up a key hierarch y and management system, u sing the pair -wise key to dynamical ly generate unique data en cryption keys to encr ypt every data packet that is wirelessly communicated between the A[...]

P-660HW-D Se ries User’s Guide Appendix L W ireless LANs 322 Figure 185 WP A(2)-PSK Authentication Security Parameters Summary Refer to this table to see what other secur ity parameters you shou ld configure for each Authentication Method/ key management prot ocol type. MAC address filters are not dependent on how you config ure these security fe[...]

P-660HW-D Series User’s Guide 323 Appendix L Wireless LANs[...]

P-660HW-D Se ries User’s Guide Appendix M Pop-up Windows, JavaScr ipts and Java Permissions 324 A PPENDIX M Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-up windows from your device. • JavaScripts (enabled by default). • Java permissions (enabled by default). Not[...]

P-660HW-D Series User’s Guide 325 Appendix M Pop-up Windows, JavaScr ipts and Java Permissions Figure 187 Intern et Options 3 Click Apply to save this setting. Enable pop-up Blockers with Except ions Alternatively , if you only want to allow pop-up windows from your device, see the follo wing steps. 1 In Internet Explorer , select To o l s , Inte[...]

P-660HW-D Se ries User’s Guide Appendix M Pop-up Windows, JavaScr ipts and Java Permissions 326 Figure 188 Internet Options 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.168.1.1. 4 Click Add to move the IP address to the list of Allowed sites .[...]

P-660HW-D Series User’s Guide 327 Appendix M Pop-up Windows, JavaScr ipts and Java Permissions Figure 189 Pop-up Blocker Settings 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configura tor do not display properly in Internet Explorer , check that JavaScripts are allowed. 1 In [...]

P-660HW-D Se ries User’s Guide Appendix M Pop-up Windows, JavaScr ipts and Java Permissions 328 Figure 190 Internet Options 2 Click the Custom Level... button. 3 Scroll down to Scripting . 4 Under Active scripting make sure that Enable is selected (the default). 5 Under Scripting of Java applets make sure that Enable is sele cted (the default). 6[...]

P-660HW-D Series User’s Guide 329 Appendix M Pop-up Windows, JavaScr ipts and Java Permissions Figure 191 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click To o l s , I nternet Options and then the Security tab. 2 Click the Custom Level... button. 3 Scroll down to Microsoft VM . 4 Under Java permissions make sur[...]

P-660HW-D Se ries User’s Guide Appendix M Pop-up Windows, JavaScr ipts and Java Permissions 330 Figure 192 Security Settings - Java JA V A (Sun) 1 From Internet Explorer , click To o l s , I nternet Options and then the Advance d tab. 2 make sure that Use Java 2 for <applet> u nder Java (Sun) is selected. 3 Click OK to clos e the window .[...]

P-660HW-D Series User’s Guide 331 Appendix M Pop-up Windows, JavaScr ipts and Java Permissions Figure 193 Java (Sun)[...]

P-660HW-D Se ries User’s Guide Index 332 Index Numerics 11 0 V A C 5 230V AC 5 A Abnormal Working Conditions 6 AC 5 access point 106 access point. See also AP . Accessories 5 Acts of God 6 Address Assignment 94 Address Resolution Protocol (ARP) 97 ADSLstandards 32 Advanced Encryption St an dard 319 Airflow 5 Alternative Subnet Mask Notation 272 A[...]

P-660HW-D Series User’s Guide 333 Index Copyright 2 Correcting Interference 3 Corrosive Liquids 5 Covers 5 CTS (Clear to Send) 313 Custom Ports Creating/Editing 164 Customer Support 7 Customized Services 163 Customized services 163 D Damage 5 Dampness 5 Danger 5 Dealer 3 Default 238 default LAN IP address 40 Defective 6 Denial of Service 143 , 14[...]

P-660HW-D Se ries User’s Guide Index 334 Guidelines For Enhancing Security 151 Introduction 143 LAN to W AN Rules 157 Policies 154 Rule Checklist 155 Rule Logic 155 Rule Security Ra mificati ons 155 Services 168 Ty p e s 142 When T o Use 153 firmware 234 upgrade 234 upload 234 upload error 235 Fitness 6 Fragmentation Threshold 313 Fragmentation t[...]

P-660HW-D Series User’s Guide 335 Index LAND 145 , 146 Legal Rights 6 Liability 2 License 2 Lightning 5 Liquids, Corrosive 5 local (user) database 108 and encryption 10 9 Logs 228 M MAC address 107 MAC address filter 107 MAC Address Filter Acti on 123 MAC Address Filtering 122 MAC Filter 122 Management Information Ba se (MIB) 205 Materials 6 Maxi[...]

P-660HW-D Se ries User’s Guide Index 336 Benefits 74 PPPoE (Point-to-Point Prot ocol over Ethernet) 34 PPTP 135 Preamble Mode 314 Priorities 124 , 188 Priority 191 Priority-based Scheduler 186 Product Model 7 Product Page 4 Product Serial Number 7 Products 6 Proof of Purchase 6 Proper Operating Condition 6 Purchase, Proof of 6 Purchaser 6 Q QoS 1[...]

P-660HW-D Series User’s Guide 337 Index Service Set IDentity . See SSID. Service T ype 164 , 243 Services 135 Shipping 6 Shock, Electric 5 SMTP 135 Smurf 146 , 147 SNMP 135 , 204 Manager 205 MIBs 205 Source Address 156 S pain, Cont act Information 8 S plitters 290 SSID 106 hide 107 S tateful Inspection 33 , 142 , 143 , 148 Process 149 ZyXEL devic[...]

P-660HW-D Se ries User’s Guide Index 338 Virtual Channel Identifier (VCI) 76 virtual circuit (VC) 75 Virtual Path Identifier (VPI) 76 V oltage Supply 5 V oltage, High 5 VPI & VCI 76 W W all Mount 5 W AN (Wide Area Networ k) 74 W AN backup 89 W AN to LAN Rules 157 Wa r n i n g s 5 W arranty 6 W arranty Information 7 W arranty Period 6 Wa t e r[...]