TRENDnet VPN Firewall Router инструкция обслуживания

TW100-BRV204 VPN Firewall Router Cable/DSL Internet Access 4-Port Switching Hub User's Guide[...]

i Table of Contents CHAPTER 1 INTRODUCTION ............................................................................................. 1 TW100-BRV204 Features................................................................................................. 1 Package Contents .........................................................................[...]

ii Examples ....................................................................................................................... ... 81 Using Certificates ............................................................................................................ 9 9 CHAPTER 9 OTHER FEAT URES AND SETTINGS ........................................[...]

1 Chapter 1 Introduction This Chapter provides an overview of the TW100-BRV204's features and ca- pabilities. Congratulations on the purchase of y our new TW100-BRV204. The TW100-BRV204 is a multi-funct ion device providing the fol lowing services: • Shared Broadband Internet Access for all LAN users. • 4-Port Switching Hub for 10BaseT or [...]

TW100-BRV204 User Guide 2 Advanced Internet Functions • Communication Applications. Support for Internet com municati on applications, such as interactive Gam es, Telephony, and Conferencing appl ications, which are often di fficult to use when behind a Firewall, is i ncluded. • Special Internet Applications. Applications which use non-st andar[...]

Introduction 3 • Protection against DoS attacks. DoS (Denial of Service) attacks can flood y our Internet connection with invalid packets a nd connection requests, usi ng so much band- width and so many resources that Inte rnet access becom es unavailable. The TW100- BRV204 incorporates protection agai nst DoS attacks. • Rule-based Policy Firew[...]

TW100-BRV204 User Guide 4 Physical Details Front-mounted LEDs Figure 2: Front Panel Power (Green) On - Power on. Off - No power. Status (Red) On - Error condition. Off - Normal operation. Blinking - This LED blinks during start up. LAN For each port, there are 2 LEDs • Link/Act (Green) • On - Corresponding LAN (hub) port is active. • Off - No[...]

Introduction 5 Rear Panel Figure 3: Rear Panel Reset Button This button has two (2) functi ons: • Reboot . When pressed and released, the TW 100-BRV204 will reboot (restart). • Clear All Data . This button can also be used to clear ALL data and restore ALL settings to the factory defaul t values. To Clear All Data and resto re the factory defau[...]

6 Chapter 2 Installation This Chapter covers the physical installation of the TW100-BRV204. Requirements • Network cables. Use standard 10/100BaseT network (UTP) cables wit h RJ45 connectors. • TCP/IP protocol m ust be installed on all PCs. • For Internet Access, an Internet Access account with an ISP, and either of a DSL or C able modem (for[...]

Installation 7 3. Connect WAN Cable Connect the DSL or Cable m odem to the WAN port on the TW100-BRV204. Use the ca- ble supplied with your DSL/ Cable modem . If no cable was supplie d, use a standard cable. 4. Power Up • Power on the Cable or DSL m odem. • Connect the supplied power adapt er to the TW100-BRV204 and power up. Use only the power[...]

8 Chapter 3 Setup This Chapter provides Set up details of the TW100-BRV204. Overview This chapter describes the setup procedure for: • Internet Access • LAN configuration PCs on your local LAN m ay also require configurati on. For details, see Chapter 4 - PC Con- figuration . Other configuration m ay also be required, de pendi ng on which featu[...]

Setup 9 Configure or use any of the followi ng: • Config File backup/restore • PC Database • Remo te Ad min • Routing (RIP and stat ic Routing) • Upgrade Firmware • UPnP Chapter 9: Other Features and Settings Where use of a certain feature requires that PCs or other LAN devices be configured, this is also explained in the relevant chapt[...]

TW100-BRV204 User Guide 10 Using your Web Browser To establish a connection from your PC to t he TW100-BRV204: 1. After installing t he TW100-BRV204 in your LAN, start your PC. If y our PC is already running, restart it. 2. Start your WEB browser. 3. In the Address box, enter "HTTP://" and the IP Addr ess of the TW100-BRV204, as in this e[...]

Setup 11 Setup Wizard The first time you connect to the TW100-BRV204, the Setup Wizard will run automatically. (The Setup Wizard will also run if the TW100-BRV204's default setting are restored.) 1. Step through the Wizard until finished. • You need to know the type of Internet connection service used by your ISP. C heck the data supplied by[...]

TW100-BRV204 User Guide 12 PPTP Mainly used in Europe. You connect to the ISP only when required. The IP address is usually allocated auto m ati- cally, but may be Static (Fixed). • PPTP Server IP Address. • User name and password. • IP Address allocated to you, if Static (Fixed). Other Modems (e.g. Broadband Wireless) Type Details ISP Data r[...]

Setup 13 Home Screen After finishing or exitin g the Setup Wizard, you will see the Home screen. When you connect in future, you will see this sc reen when you connect. An example screen is shown below. Figure 6: Home Screen Navigation & Data Input • Use the menu bar on the top of t he screen, and the "Back" button on your Browser, [...]

TW100-BRV204 User Guide 14 WAN Port Configuration Screen The WAN Port Configuration screen provides an alte rnative to using the Wizard. It can be accessed from the Internet m enu. An example screen is shown below. Figure 7: WAN Port Screen Data - WAN Port Screen Identification Hostname Normally , there is no need to change the default nam e, but i[...]

Setup 15 Specified IP Address Also called Static IP Address . Select this if your ISP has allocated you a fixed IP Address. If this option i s selected, the following dat a must be entered. • IP Address . The IP Address allocated by the ISP. • Network Mask (Not required for PPPoE) This is also supplied by you r ISP. It must be compatible with t[...]

TW100-BRV204 User Guide 16 MAC Address MAC Address Also called Network Adapter Address or Physical Address . This is a low-level identifier, as seen from the WAN po rt. Normally there is no need to change this, bu t som e ISPs require a particular value, often that of the PC initially used for Internet access. You can use the Copy from PC button to[...]

Setup 17 LAN Screen Use the LAN link on the main m enu to reach the LAN screen. An example screen is shown below. Figure 8: LAN Screen Data - LAN Screen TCP/IP IP Address IP address for the TW100-BRV204, as seen from the local LAN. Use the default value unless the address is already in use or your LAN is using a different IP address range. In the l[...]

TW100-BRV204 User Guide 18 DHCP What DHCP Does A DHCP (Dynami c Host Configuration Prot ocol) Server allocates a valid IP address to a DHCP Client (PC or device) upon request. • The client request is ma de when the client device start s up (boots). • The DHCP Server provides the Gateway and DNS addresses to the clien t, as well as allocating an[...]

19 Chapter 4 PC Configuration This Chapter detail s the PC Configurat ion required on the local ("Int ernal") LAN. Overview For each PC, the following may need to be configured: • TCP/IP network settings • Internet Access configuration Windows Clients This section describes how to configure Wi ndows clients for Internet access via the[...]

TW100-BRV204 User Guide 20 Checking TCP/IP Settings - Windows 9x/ME: 3. Select Control Panel - Net work . You should see a screen like the fol lowing: Figure 9: Network Configuration 4. Select the TCP/IP protocol for your network card. 5. Click on the Properti es button. You should then see a screen li ke the following. Figure 10: IP Address (Win 9[...]

PC Configuration 21 • On the Gateway tab, enter the TW100-BRV204 's IP address i n the New Gateway field and click Add , as shown below. Your LAN adm inistrator can advise you of t he IP Address they assigned to the TW100-BRV204. Figure 11: Gateway Tab (Win 95/98) • On the DNS Configurati on tab, ensure Enable DNS is selected. If the DNS S[...]

TW100-BRV204 User Guide 22 Checking TCP/IP Settings - Windows NT4.0 1. Select Control Panel - Net work , and, on the Protocols tab, select the TCP/IP protocol , as shown below. Figure 13: Windows NT4.0 - TCP/IP 2. Click the Properties button to see a screen like the one below.[...]

PC Configuration 23 Figure 14: Windows NT4.0 - IP Address 3. Select the network card for your LAN. 4. Select the appropriate radi o button - Obtain an IP address from a DHCP Server or Specify an IP Address , as explained below. Obtain an IP address from a DHCP Server This is the default Windows setting. Using this is recommended . By default, the T[...]

TW100-BRV204 User Guide 24 Figure 15 - Windows NT4.0 - Add Gateway 2. The DNS should be set to the address provided by y our ISP, as follows: • Click the DNS tab. • On the DNS screen, shown below, click the Add button (under DNS Service Search Order ), and enter the DNS provided by y our ISP.[...]

PC Configuration 25 Figure 16: Windows NT4.0 - DNS[...]

TW100-BRV204 User Guide 26 Checking TCP/IP Settings - Windows 2000: 1. Select Control Panel - Ne twork and Dial-up Connecti on . 2. Right - click t he Local Area Connection icon and select Properties . You shoul d see a screen like the following : Figure 17: Network Configuration (Win 2000) 3. Select the TCP/IP protocol for your network card. 4. Cl[...]

PC Configuration 27 Figure 18: TCP/IP Properties (Win 2000) 5. Ensure your TCP/IP settings are correct , as described below. Using DHCP To use DHCP, select the radio button Obtain an IP Address automaticall y . This is the default Windows setting. Using this is recommended . By default, the TW100-BRV204 will act as a DHCP Server. Restart your PC t [...]

TW100-BRV204 User Guide 28 Checking TCP/IP Settings - Windows XP 1. Select Control Panel - Net work Connection . 2. Right click t he Local Area Connection and choose Properties . You should see a screen like the following: Figure 19: Network Configuration (Windows XP) 3. Select the TCP/IP protocol for your network card. 4. Click on the Properti es [...]

PC Configuration 29 Figure 20: TCP/IP Properties (Windows XP) 5. Ensure your TCP/IP settings are correct. Using DHCP To use DHCP, select the radio button Obtain an IP Address automaticall y . This is the default Windows setting. Using this is recommended . By default, the TW100-BRV204 will act as a DHCP Server. Restart your PC t o ensure it obtains[...]

TW100-BRV204 User Guide 30 Internet Access To configure your PCs to use the TW100-BRV204 for Internet access: • Ensure that the DSL modem, Ca ble modem , or other permanent connect ion is functional. • Use the following procedure to configure your Browser to access the Internet via the LAN, rather than by a Dial-up connection. For Windows 9x/ME[...]

PC Configuration 31 Macintosh Clients From your Macintosh, you can access the Inte rnet via the TW100-BRV204. The procedure is as follows. 1. Open the TCP/IP Control Panel. 2. Select Ethernet from the Connect via pop-up m enu. 3. Select Using DHCP Server from the Confi gure pop-up menu. The DHCP C lient ID fiel d can be left blank. 4. Close the TCP[...]

32 Chapter 5 Operation and Status This Chapter details the operati on of the TW100-BRV204 and the status screens. Operation Once both the TW100-BRV204 and the PCs are configured, operation is automatic. However, there are some situations where add iti onal Internet configurat ion may be requi red: • If using Internet-based Communication Applicati[...]

Operation and Status 33 Data - Status Screen Internet Connection Method This indicates the current connect ion method, as set i n the Setup Wizard. Broadband Modem This shows the connection status of the m odem. Internet Connection Current connection status: • Active • Idle • Unknown • Failed If there is an error, you can click th e "C[...]

TW100-BRV204 User Guide 34 Connection Status - PPPoE If using PPPoE (PPP over Ethernet), a screen like the following example will be displayed when the "Connectio n Details" button is clicked. Figure 22: PPPoE Status Screen Data - PPPoE Screen Connection Physical Address The hardware address of this device, as seen by rem ote devices on t[...]

Operation and Status 35 Buttons Connect If not connected, establish a connect ion to your ISP. Disconnect If connected to your ISP, hang up the connection. Clear Log Delete all data currently in the Log . This will make it easier to read new messages. Refresh Update the data on screen. Connection Log Messages Message Description Connect on Demand C[...]

TW100-BRV204 User Guide 36 Connection Status - PPTP If using PPTP (Peer-to-Peer Tunne ling Protocol), a screen like the following example will be displayed when the "Connect ion Details" butt on is clicked. Figure 23: PPTP Status Screen Data - PPTP Screen Connection Physical Address The hardware address of this device, as seen by rem ote [...]

Operation and Status 37 Disconnect If connected to your ISP, hang up the connection. Clear Log Delete all data currently in the Log . This will make it easier to read new messages. Refresh Update the data on screen. Connection Status - Telstra Big Pond An example screen is shown below. Figure 24: Telstra Big Pond Status Screen Data - Telstra Big Po[...]

TW100-BRV204 User Guide 38 Connection Log Connection Log • The Connecti on Log shows status messages rel ating to the existing connection. • The Clear Log button will restart the Log, while the Refresh button will update the messages shown on screen. Buttons Connect If not connected, establish a connect ion to Telstra Big Pond. Disconnect If co[...]

Operation and Status 39 Network Mask The Network Mask associated wi th the IP Address above. Default Gateway Th e IP Address of the remote Gatewa y or Router associated with the IP Address above. DNS IP Address The IP Address of the Domain Name Server which is currently used. DHCP Client This will show "Enabled" or "Disab led", [...]

TW100-BRV204 User Guide 40 Connection Details - Fixed/Dynamic IP Address If your access method is "Direct" (no login), a screen like the follo wing exam ple will be displayed when the "Connect ion Details" butt on is clicked. Figure 26: Connection Details - Fixed/Dynamic IP Address Data - Fixed/Dynamic IP address Screen Internet[...]

Operation and Status 41 OR "Renew" • If the ISP's DHCP Server has NOT allocated an IP Address for the TW100-BRV204, this button w ill say "Renew". Clicking the "Renew" button will attempt to re-establish the connection and obtain an IP Address from the ISP's DHCP Server. • If an IP Address has been alloca[...]

42 Chapter 6 Internet Features This Chapter explains when and how to use the TW100-BRV204's "Internet" Features. Overview The following advanced features are covered in this Chapter: • Advanced Internet • Communication Appli cations • Special Applications • DMZ • URL filter • Dynamic DNS • Virtual Servers • Options Ad[...]

Internet Features 43 Communication Applications Most applications are support ed transparently by t he TW100-BRV204. But someti mes it is not clear which PC should receive an incoming conn ection. This problem could arise with the Communication Applicatio ns listed on this screen. If this problem arises, you can use this screen to set which PC shou[...]

TW100-BRV204 User Guide 44 Figure 28: Special Applications Screen Data - Special Applications Screen Checkbox Use this to Enable or Disab le this Special Application as required. Name Enter a descriptive name to identify th is Special Application. Incoming Ports • Type - Select the protocol (TCP or UDP) used when you receive data from the special[...]

Internet Features 45 If an application still cannot function correctly, try using the "DMZ" feature. DMZ This feature, if enabled, all ows one (1) computer on your LAN to be exposed t o all users on the Internet, allowing unrest ricted 2-way com municati on between the "DMZ PC" and other Internet users or Servers. • This allow[...]

TW100-BRV204 User Guide 46 URL Filter Screen Click the "Configu re URL Filter" button on the Advanced Internet screen to access the URL Filter screen. An example screen is shown below. Figure 29: URL Filter Screen Data - URL Filter Screen Filter Strings Current Entries This lists any existin g entries. If you have not entered any v alues,[...]

Internet Features 47 Dynamic DNS (Domain Name Server) This free service is very usef ul when combined with the Virtual Server feature. It allows Internet users to connect to your Vi rtual Serv ers using a URL, rather than an IP Address. This also solves the problem of having a dynami c IP address. With a dynamic IP address, your IP address may chan[...]

TW100-BRV204 User Guide 48 DDNS Data User Name Enter the "User name " specified at the www.dyndns.org Web site when you registered. Password Enter your current password for www.dyndns.org Domain Name • Enter your domai n name, as allocat ed at www.dyndns.org. • The name should consis t only of lett ers and the hyphen (dash). Using any[...]

Internet Features 49 Virtual Servers This feature allows you to make Servers on your LAN accessible to Internet users. Norm ally, Internet users would not be able to access a server on your LAN because: • Your Server does not have a valid external IP Address. • Attempts to connect to devices on your LAN are blocked by t he firewall in this devi[...]

TW100-BRV204 User Guide 50 Virtual Servers Screen The Virtual Servers screen is reached by the Virtual Servers link on the Internet m enu. An example screen is shown below. Figure 32: Virtual Servers Screen This screen lists a num ber of pre-defined Serv ers,. providing a qui ck and convenient met hod to set up the comm on server types. Data - Virt[...]

Internet Features 51 It is more convenient if you are using a Fixed IP Address from your ISP, rather than Dynam ic. However, you can use the Dynamic DNS feature, described in the followi ng section, to allow users to connect to your Virtual Servers usi ng a URL, rather than an IP Address. Options This screen allows advanced users to enter or change[...]

52 Chapter 7 Security Configuration This Chapter explains the settings ava ilable via the security configuration section of the "Security " menu. Overview The following advanced configurations are provi ded. • Admin Login • Access Control • Firewall Rules • Logs • Security Options • Scheduling • Services Admin Login The Admi[...]

Security Configuration 53 Figure 35: Password Dialog Enter the "User Name" and "Password" y ou set on the Admin Login screen above.[...]

TW100-BRV204 User Guide 54 Access Control This feature is accessed by the Access Control link on the Securi ty menu. The Access Control feature allows administrators to restrict the level of Internet Access avail- able to PCs on your LAN. With the default se ttings, everyone has unrestricted Internet access. To use this feature: 1. Set the desired [...]

Security Configuration 55 "Members" Button Click this but ton to add or remove m embers from the current Group. • If the current group is "Default", t hen mem bers can not be added or deleted. This group contai ns PCs not allocated to any other group. • To remove PCs from the Default Group, assign them to an- other Group. ?[...]

TW100-BRV204 User Guide 56 Group Members Screen This screen is displayed when the Members button on the Access Control screen is clicked. Figure 37: Group Members Use this screen to add or remove m embers (PC s) from the current group. • The "Del >>" butto n will remove the selected PC (in the Members list) from the current group.[...]

Security Configuration 57 Firewall Rules For normal operati on and LAN protection, it is not necessary to use this screen. The Firewall will always block DoS (Denial of Serv ice) attacks. A DoS attack does not attempt to steal data or dam age your PCs, but overloads y our Internet connection so you can not use it - the service is unavailable. As we[...]

TW100-BRV204 User Guide 58 Data For each rule, the following data is shown: • Name - The name you assigned t o the rule. • Source - The traffic covered by this rule, defi ned by the source IP address. If the IP address is follo wed by ... this indicates there is range of IP addresses, rather than a single address. • Destination - The traffic [...]

Security Configuration 59 Define Firewall Rule Clicking the "Add" but ton in the Firewall Rules screen will display a screen like the ex am ple below. Figure 39: Define Firewall Rule Data - Define Firewall Rule Screen Name Enter a suitable name for this rule. Type This determines the source and destin ation ports for traffic covered by th[...]

TW100-BRV204 User Guide 60 Dest IP These settings determ ine which traffic, based on their dest ination IP address, is covered by this rule. Select the desired option: • Any - All traffic from the source port is covered b y this rule. • Single address - Enter the required IP address in the "St art IP address" field". You can igno[...]

Security Configuration 61 Logs The Logs record various types of activit y on the TW100-BRV204. This data is useful for troubleshooting, but enabling all l ogs will generate a large amount of data and adversely affect performance. Since only a lim ited am ount of log data can be stored in t he TW100-BRV204, log data can also be E-mail ed to your PC [...]

TW100-BRV204 User Guide 62 Firewall Rules If enabled, the log will details of packets b locked by user-defined Firewall rules. Logging can be set for each rule individually. Only rules which have loggi ng enabled will be included. VPN If enabled, the VPN log will record incomi ng and outgoing VPN connections. Timezone Timezone Select the correct Ti[...]

Security Configuration 63 Security Options This screen allows you to set Firewall and other security-related options. Figure 41: Security Options Screen Data - Security Options Screen SPI Firew all Enable DoS Firewall If enabled, DoS (Denial of Serv ice) attacks will be detected and blocked. The default is enabled. It is strongly recom mended that [...]

TW100-BRV204 User Guide 64 Options Respond to ICMP The ICMP protocol is used by the "ping" and "trace route" programs, and by network moni toring and diagnostic program s. • If checked, the TW100-BRV204 will respond to ICMP packets received from the Internet. • If not checked, ICMP packets from the Internet will be ignored. [...]

Security Configuration 65 Scheduling • This schedule can be (optionall y) applied to any Access Cont rol Group. • Blocking will be performed dur ing the scheduled time (between the "Start" and "Finish" times.) • Two (2) separate sessions or periods can be defined. • Times m ust be entered using a 24 hr clock. • If the [...]

TW100-BRV204 User Guide 66 Services Services are used in defining traffic to be bl ocked or allowed by the Access Control or Fire- wall Rules features. Many comm on Services are pre-defined, but you can also defi ne your own services if required. To view the Services screen, select the Services link on the Securit y menu. Figure 43: Services Screen[...]

Security Configuration 67 Buttons Delete Delete the selected service from the list. Add Add a new entry to the Serv ice list, using the data shown in the "Ad d New Service" area on screen. Cancel Clear the " Add New Service " area, ready for entering data for a new Service.[...]

68 Chapter 8 VPN This Chapter describes the VPN c apabilities and configuration required for common situations. Overview This section describes the VPN (Virt ual Private Network) support provided by your TW100- BRV204. A VPN (Virtual Private Network) provides a secure connect ion between 2 points, over an insecure network - typically th e Internet.[...]

VPN 69 • Phase I is the negotiati on and establishm ent of the IKE connection. • Phase II is the negotiation and est ablishment of the IPsec connection. Because the IKE and IPsec connections are separa te, they have different SAs (security associa- tions). Policies VPN configuration settings are st ored in Policies . Each policy defines: • Th[...]

TW100-BRV204 User Guide 70 Common VPN Situations VPN Pass-through Figure 44: VPN Pass-through Here, a PC on the LAN behind the Router/Gat eway is using VPN software, but the Router/Gateway is NOT acting as a VPN endpoint. It is onl y allowing the VPN connecti on. • The PC software can use any VPN protocol supporte d by the remote VPN. • The rem[...]

VPN 71 Connecting 2 LANs via VPN Figure 46: Connecting 2 VPN Gateways This allows two (2) LANs to be connected. PCs on each endpoint gain secure access to the remote LAN. • The 2 LANs MUST use different IP address ranges. • The VPN Policies at each end determine when a VPN tunnel will be established, and what systems on the remote LAN can be ac[...]

TW100-BRV204 User Guide 72 VPN Configuration This section covers the configurati on required on the TW100-BRV204 when using Ma nual Key Exchange (Manual Policies) or IKE (Automatic Policies). Details of using Certificates are cov ered in a later section. VPN Policies Screen To view this screen, select VPN Policies from the VPN menu. This screen lis[...]

VPN 73 Move There are 2 ways to change the order of policies: • Use the up and down indicators on the right t o move the selected row. You must confirm your changes by cli cking "OK". If you change your mind before cl icking "OK", click "Cancel" to reverse your changes. • Click "Move" to directly specify [...]

TW100-BRV204 User Guide 74 Figure 49: VPN Wizard - General General Settings Policy Name Enter a suitable name. This name is not supplied to the remote VPN. It is used only to help you m anage the policie s. Enable Policy Enable or disable the policy as re quired. For each remote VPN, only 1 policy can be enabled at any time. Remote VPN Endpoint The[...]

VPN 75 Figure 50: VPN Wizard - Traffic Selector • For outgoing VPN conn ections, these settings determine which traffic will cause a VPN tunnel to be created, and which tra ffic will be sent through the tunnel. • For incoming VPN connecti ons, these settings determ ine which system s on your local LAN will be available to the remote endpoint. ?[...]

TW100-BRV204 User Guide 76 Remote IP addresses Type • Single address - enter an IP address in the "Start IP address" field. • Range address - enter the starting IP address in the "Start IP address" field, and the finish IP address in the "Fini sh IP ad- dress" field. • Subnet address - enter the desired IP addres[...]

VPN 77 These settings must match the rem ote VPN. Note that y ou cannot use both AH and ESP. Manually assigned Key s AH Authentication AH (Authentication Header) specifi es the authenticat ion protocol for the VPN header, if used. (AH is often NOT used) If AH is not enabled, the foll owing settings can be ignored. Keys • The "in" key he[...]

TW100-BRV204 User Guide 78 IKE Phase 1 If you selected IKE , the following screen is displayed after th e Traffic Selector screen. Figure 52: VPN Wizard - IKE Phase 1 IKE Phase 1 (IKE SA) Direction Select the desired option: • Initiator - Only outgoing con nections will be created. Incoming connection attempts will be rejected. • Responder - On[...]

VPN 79 IKE SA Life Time This setting does not have t o match t he remote VPN endpoint; the shorter time will be used. Although measured in seconds, it is com - mon to use tim e periods of several hours, such 28,800 seconds. DH Group Select t he desired method, and ensure the rem ote VPN endpoint uses the same m ethod. The smalle r bit size is sligh[...]

TW100-BRV204 User Guide 80 ESP Encryption ESP (Encapsulating Security Payload) provides security for t he payload (data) sent through the VPN tunnel. Generally, you will want to enable both ESP Encrypti on and ESP Authentication. Select the desired m ethod, and ensure the remote VPN endpoi nt uses the same m ethod. The "3DES" algorithm pr[...]

VPN 81 Examples This section describes som e examples of usi ng the TW100-BRV204 in comm on VPN situa- tions. Example 1: Connecting 2 TW100-BRV204s In this example, 2 LANs are connected via VPN. Figure 54: Connecting 2 TW100-BRV204s Note • The LANs MUST use different IP address ranges. • Both endpoints have fixed WAN (Internet) IP addresses. Co[...]

TW100-BRV204 User Guide 82 IKE Authentication method Pre-shared Key Pre-shared Key Certificates are not widely used. Pre-shared Key Xxxxxxxxxx Xxxxxxxxxx Must ma tch IKE Authentication algorithm MD5 MD5 Mu st match IKE Encryption DES DES Must m atch IKE Exchange mode Main Mode Main Mode Must match DH Group Group 1 (768 bit) Group 1 (768 bit) Must m[...]

VPN 83 Example 2: Windows 2000/XP Client to LAN In this example, a Windows 2000/XP client connects to the TW100-BRV204 and gains access to the local LAN. Figure 55: Windows 2000/XP Client to T W100-BRV204 To use 3DES encryption on Windows 2000, you need Service Pack 3 or later installed. TW100-BRV204 Configuration Setting Value Notes Name Win Clien[...]

TW100-BRV204 User Guide 84 DH Group Group 1 (768 bit) Must mat ch client PC IKE SA Life tim e 28800 Does not have to match client PC. Shorter period will be used. IKE PFS Disable Must m atch client PC IPSec SA Parameters IPSec SA Life time 28800 Do not have to match. Shorter period will be used. IPSec PFS Disable Must m atch client PC AH authentica[...]

VPN 85 Figure 57: Windows 2000/XP - Policy Properties • Note that no rules are in use. Two 2 rules are required - incom ing and outgoing. • Th e outgoing rule will be added first. 6. Deselect the "Use Add Wizard" checkbox, then click "Add" to view the screen bel ow. Figure 58: IP Filter List 7. Type "To DUT" for th[...]

TW100-BRV204 User Guide 86 Figure 59: Filter Properties: Addressing 8. Enter the Source IP address and the Destination IP address . • Sin ce this is the outgoing filter, the Source IP address is "My IP address" and the Destination IP address is t he address range used on the remote LAN. • Ensure the Mirrored option is checked. 9. Clic[...]

VPN 87 Figure 61: New Rule Properties: Filter Action 11. Select Require Security , then click the "Edit" button, to view the Requi re Security Proper- ties screen. Figure 62: Require Security Properties 12. Select Negotiate security (this selects IKE), then click "Add".[...]

TW100-BRV204 User Guide 88 Figure 63: Modify Security Method 13. On the resulting screen (above), select High [ ESP] then click "OK" to save your changes and return to the Require Security Properties screen. Figure 64: Require Security Properties 14. Ensure the follo wing settings are correct, then click "OK" to return to th e F[...]

VPN 89 15. Click the Tunnel Setting tab, then select The tunnel endpoint is specified by this IP address . Enter the WAN (Internet) IP address of the Broadband VPN Gateway , as shown below. Figure 65: Tunnel Setting 16. Click the Authenticati on Methods tab, then click the "Edit" to see th e screen like the example below. Figure 66: Authe[...]

TW100-BRV204 User Guide 90 Figure 67: Windows 2000/XP Client to Br oadband VPN Gateway 20. To add the second (incoming) rul e, click "Add". For the nam e, enter "To Win2K", then click "Add". Figure 68: Windows 2000/XP Client to Br oadband VPN Gateway 21. Enter the Source IP address and the Destination IP address as sho[...]

VPN 91 Figure 69: Filter Properties: Addressing 22. Click "OK" to save your changes, then "Cl ose". Figure 70: Filter List 23. Ensure the "To W in2K" filter is selected, then click the Filter Action tab.[...]

TW100-BRV204 User Guide 92 Figure 71: Filter Action 24. Select Require Security , then click "Edit". On the Require Security Methods screen below, select Negotiate security . Figure 72: Security Methods 25. Click the "Add" butt on. On the resulting Modify Security Method screen below, select High [ESP] .[...]

VPN 93 Figure 73: Modify Security Method 26. Click "OK" to save you r changes, then click "OK" again to return to the Filter Action screen. 27. Select the Tunnel Setting tab, and en ter the WAN (Internet) IP address of this PC (172.16.9.10 in this exam ple). Figure 74: Tunnel Setting 28. Select the Authentication Methods tab, an[...]

TW100-BRV204 User Guide 94 Figure 75: Authentication Method 29. Select Use this string to protect the key exchange (preshared key) , then enter your pre- shared key in the field provided. 30. Click "OK" to save you r settings, then "Close" to return to th e DUT to Win2K Properties screen. There should now be 2 IP Filers list ed,[...]

VPN 95 Figure 77: Properties - General Tab 32. Click the "Advanced" button to see t he screen below. Figure 78: Key Exchange Settings 33. Click the "Methods" butt on to see the screen below.[...]

TW100-BRV204 User Guide 96 Figure 79: Key Exchange Security Methods 34. Select the first entry, and click the "Edit" button to see the followin g screen. Figure 80: IKE Security Algorithms 35. Select "SHA1" for Integrity Algorithm , "3DES" for Encryption algorithm , and "Low(1)" for the Diffie-Hellman Group .[...]

VPN 97 Example 3: Windows 2000 Server to VPN Gatew ay In this example, a Windows 2000 Server connects to the TW100-BRV204. Users on each LAN can then gain access to the remote LAN. Figure 82: TW100-BRV204 to Windows 2000 Server TW100-BRV204 Configuration This is the same as for the client setup earlier, with the exception of the IP address range fo[...]

TW100-BRV204 User Guide 98 Windows 2000 Server Configuration Configuration is t he same as for Example 2: Window s 2000/XP Client to except for specifying the Source and Destination ad dresses for the "Filter Properties". Instead, for both IP Filters, the Filter Properties- Addressing should be completed as follows. Figure 83: Windows 200[...]

VPN 99 Using Certificates Certificates are used to authen ticate users. Certificates are issued to you by various CAs (Certification Authorities). These Certificates are called "Self Certificates". Each CA also issues a certificat e to itself. This Certificate is required in order to v alidate communication with the CA. These certificat e[...]

TW100-BRV204 User Guide 100 Adding a Trusted Certificate 1. After obtaining a new Cert ificate from the CA, you need to upload it t o the TW100- BRV204. 2. On the "Certificates" scr een, click the "Add Trusted Certificate" button to view the Add Trusted Certificate screen, shown below. Figure 85: Add Trusted Certificate 3. Click[...]

VPN 101 Subject Name This is the name which other or ganizations will see as the Holder (owner) of this Certi ficate. This should be your registered business name or offi cial company nam e. Gener- ally, all Certi ficates should have the same val ue in the Subject field. Hash Algorithm Select the desired option. Signature Algorithm Select t he desi[...]

TW100-BRV204 User Guide 102 Figure 88: Add Self Certificate (3) 8. Upload the Certificate: • Click the "Browse" button, and locat e the certificate file on your PC • Select th e file. The name will appear in the "Certificate File" field. • Click "Upload" to upload the certificate file to the TW100-BRV204. • Cli[...]

VPN 103 Figure 90: Upload CRL 4. Upload the CRL file: • Click the "Browse" button, and locate the CRL fil e on your PC • Select th e file. The name will appear in the "File to Upload" field. • Click "Upload" to upload the CRL file t o the TW100-BRV204. • Click "Back" to return to the CRL list. The new[...]

104 Chapter 9 Other Features and Settings This Chapter explains the screens and settings available via the "Other" menu. Overview Normally, it is not necessary to use these scr eens, or change any settings. These screens and settings are provided to deal with non-standard situations, or to provide additional options for advanced users. Th[...]

Other Features and Settings 105 Config File This feature allows you to downl oad the curre nt settings from the Broadband Router, and save them to a file on your PC. You can restore a previously-downloaded confi guration file to t he Broadband Router, by uploading it to t he Broadband Router. This screen also allows you to set t he Broadband Router[...]

TW100-BRV204 User Guide 106 PC Database The PC Database is used whenever you need to select a PC (e.g. for the "DMZ" PC). It elimi- nates the need to enter IP addresses. Also, y ou do not need to use fixed IP addresses on your LAN. PC Database Screen An example PC Data base screen is shown below. Figure 92: PC Database • PCs which are &[...]

Other Features and Settings 107 Data - PC Database Screen Known PCs This lists all current entries. Data displayed is name (IP Address) type . The "type" indicates whether the PC is connected to the LAN. Name If adding a new PC to the list, en ter its nam e here. It is best if this matches the PC's "hostname". IP Address En[...]

TW100-BRV204 User Guide 108 PC Database (Admin) This screen is display ed if the "Advanced Admini stration" button on t he PC Database is clicked. It provides m ore control than the standard PC Database screen. Figure 93: PC Database (Admin) Data - PC Database ( Admin) Screen Known PCs This lists all current entries. Data displayed is nam[...]

Other Features and Settings 109 IP Address Select the appropriate opt ion: • Automatic - The PC is set to be a DHCP client (Windows: "Ob- tain an IP address automa tically"). The TW100-BRV204 will allocate an IP address to this PC when requested to do so. The IP address could change, but normal ly won't. • DCHP Client - Reserved [...]

TW100-BRV204 User Guide 110 Remote Administration This feature allows you to m anage the TW100-BRV204 via the Internet. Figure 94: Remote Administration Screen Data - Remote Administration Screen Remote Administration Enable Remote Administration Enable to allow administration via the Internet. If Disab led, this device will ignore managem ent conn[...]

Other Features and Settings 111 Routing Overview • If you don't have other Routers or Gateway s on your LAN, you can ignore the "R outing" page completely. • If the TW100-BRV204 is only acting as a Gateway for the l ocal LAN segment, ignore the "Routing" page even if your LAN has other R outers. • If your LAN has a st[...]

TW100-BRV204 User Guide 112 Figure 95: Routing Screen Data - Routing Screen RIP Enable RIP Check this to enabl e the RIP (Routing Inform ation Protocol) feat ure of the TW100-BRV204. The TW100-BRV204 supports RIP 1 only. Static Routing Static Routing Table Entries This list shows all entries in th e Routing Table. • The "Properties" are[...]

Other Features and Settings 113 Buttons Save Save the RIP setting. This has no effect on t he Static Routing Tabl e. Add Add a new entry to the Stati c Routing table, usi ng the data shown in the "Properties" area on screen. Th e entry selected in the list is ignored, and has no effect. Update Update the current St atic Routing Tabl e ent[...]

TW100-BRV204 User Guide 114 Static Routing - Example Figure 96: Routing Example For the TW100-BRV204 's Routing Table For the LAN shown above, with 2 routers and 3 LAN segm ents, the TW100-BRV204 requires 2 entries as follows. Entry 1 (Segment 1) Destination IP Address 192.168.1.0 Network Mask 255.255.255.0 (Standard Class C) Gateway IP Addres[...]

Other Features and Settings 115 Upgrade Firmware The firmware (software) in t he TW100-BRV204 can be upgraded using your Web Browser. You must first downl oad the upgrade file, then select Upgrade on the Other menu. You will see a screen like the following. Figure 97: Upgrade Firmware Screen To perform the Firmware Upgrade: 1. Click the "Brows[...]

TW100-BRV204 User Guide 116 UPNP An example UPNP screen is shown below. Figure 98: UPNP Screen Data - UPNP Screen UPnP Enable UPnP Services • UPnP (Universal Plug and Play) allows autom atic discovery and configuration of equipm ent attached to your LAN. UPnP i s by supported by Windows ME, XP, or la ter. • If Enabled, th is device will be visi[...]

117 Appendix A T roubleshooting This Appendix covers the most likely probl ems and their solutions. Overview This chapter covers some comm on problems that m ay be encountered whil e using the TW100- BRV204 and some possi ble solutions to them . If you follow the suggested steps and t he TW100-BRV204 still does not function properly, c ontact your [...]

TW100-BRV204 User Guide 118 Solution 2: The TW100-BRV204 processes the data passing through it, so it is not transparent. Use the Special Applicati ons feature to allow the use of Internet appli cations which do not function correct ly. If this does solve the problem you can use the DMZ function. This should work with almost every application, b ut[...]

119 Appendix B Specifications TW100-BRV204 Model TW100-BRV204 Dimensions 141mm(W) * 100m m(D) * 27m m(H) Operating Temperature 0 ° C to 40 ° C Storage Temperature -10 ° C to 70 ° C Network Protocol: TCP/IP Network Interface: 5 Ethernet: 4 * 10/100BaseT (RJ45) LAN connection 1 * 10/100BaseT (RJ45) for WAN LEDs 11 Power Adapter 12V DC External FC[...]

TW100-BRV204 User Guide 120 FCC Radiation Exposure Statement This equipment complies wi th FCC RF radiat ion exposure limi ts set forth for an uncontroll ed environment. Thi s equipment shoul d be installed and operated wi th a mini mum distance of 20 centimeters bet ween the radiator and your body. This device complies with Part 15 of th e FCC Rul[...]