Nortel Networks 608(WL) manuale d’uso

SpeedTouch™608WL and SpeedTouch™620 only SpeedT ouch™608(WL)/620 (Wireless) Business DSL Router IPSec Configuration Guide Power Ethernet W LA N Plug-in ISD N Internet[...]

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SpeedTouch™ 608(WL)/620 IPSec Configuration Guide[...]

Copyright Copyright ©1999-2006 THOMSON. All rights reserved. Distribution and co pying of this do cument, use and communication o f its contents is not permitted witho ut written authorizatio n from THOMSON. The con tent of this docume nt is furnished for informati onal use only , may be subject to ch ange without notice, and should not be con str[...]

Contents E-DOC-CTC-20051 017-0169 v0.1 3 Contents About this IPSec Configur ation Guide ....................... 9 1 IPSec: Concept for secure IP connections ................. 11 1.1 IPSec Co ncepts .......... ........... .......... ........... ........ ........... ........... .... 12 2 SpeedTouch™ IPSec te rminology ............................. [...]

Contents E-DOC-CTC-2005 1017-0169 v0.1 4 3.3 VPN Serv er ........... .......... ........... ........... .......... ........... ........ ........... 63 3.3.1 VPN Server Page ................ ................. .............. .............. ................. .............. .............. . .6 4 3.4 Certific ates .......... .......... ........... .....[...]

Contents E-DOC-CTC-20051 017-0169 v0.1 5 4.4 Peer ... .......... ........... ........ ........... ........... .......... ........... .......... ....... 118 4.4.1 Peer parameters ....................... ................ ................. .................... ................. .............. 119 4.4.2 List all peer entities ......... .............. .[...]

Contents E-DOC-CTC-2005 1017-0169 v0.1 6 5.3 Via the CLI: Debug command group ..... ............ ............. ........... 167 5.4 Via SNM P ........... .......... ........... .......... ........... ........... ........ ........... 170 5.5 Pinging from the S peedTouch™ to the remote private network 171 6 Advanced Features ..... ..................[...]

Contents E-DOC-CTC-20051 017-0169 v0.1 7 6.9 Peer O ptions .......... .......... ........... ........... .......... ........... .......... ..... 201 6.9.1 List all Peer Options lists .................... .............. .............. ................. .............. .............. 20 3 6.9.2 Create a Peer Op tions list ........ .............. .....[...]

Contents E-DOC-CTC-2005 1017-0169 v0.1 8[...]

About this IPSec Configuration Guide E-DOC-CTC-20051 017-0169 v1.0 9 About this IPSec Configuration Guide Abstract This document ex plains the IPSec fu ncti onality of the SpeedT o uch™ Release R5.4 and higher . A brief theore tical explanati on is provided where ne eded, but the main goal of this document is to b e a practical guide. Applicabili[...]

About this IPSec Configuration Guide E-DOC-CTC-2005 1017-0169 v1.0 10[...]

Chapter 1 IPSec: Concept for se cure IP connections E-DOC-CTC-20051 017-0169 v1.0 11 1 IPSec: Concept for secure IP connections Policies The introduction o f network security main ly involves the appl ication of traffic policies. Firstly , the polici es need to be defined, th en it should be w hether the policies are correctly applied. Security pol[...]

Chapter 1 IPSec: Concept for secure IP connections E-DOC-CTC-2005 1017-0169 v1.0 12 1.1 IPSec Concepts Red and Black Network Followin g nomenclature wil l be used thro ughout this d ocument:  The SpeedT ouch™ The IPSec capable DSL router  The Red network Private or truste d side of the SpeedT ouch™.  The Black network Public or non-tru[...]

Chapter 1 IPSec: Concept for se cure IP connections E-DOC-CTC-20051 017-0169 v1.0 13 Internet Key Exchange The Inte rnet Key Exchan ge (IKE) protocol is the negotiatio n protocol used to establish an SA by negotiating securi ty protocols and exchangin g keys. First the IKE SA is set up, then the IKE channel acts as a sig nalling channel to negotiat[...]

Chapter 1 IPSec: Concept for secure IP connections E-DOC-CTC-2005 1017-0169 v1.0 14[...]

Chapter 2 SpeedTouch™ IP Se c terminology E-DOC-CTC-20051 017-0169 v1.0 15 2 SpeedTouch™ IPSec terminology Introduction In order to understand the IPSec config uration of the SpeedT ouch™, a number of concepts and definition s are introduced in this section. The Gr aphical User Interface (GUI) and the Command Line Interface (CLI) provide two [...]

Chapter 2 SpeedTouch™ IPSec termin ology E-DOC-CTC-2005 1017-0169 v1.0 16 2.1 Policy What is ... Security is all abou t traffic policies and these can be configured using th e IPSec policy commands. By defa ult, policy rules are au tomatically gener ated when the IPSec connection is created and the user does not need to execute extra commands. A [...]

Chapter 2 SpeedTouch™ IP Se c terminology E-DOC-CTC-20051 017-0169 v1.0 17 2.2 Security Descriptor What is ... All security parameter s required to establish a se cure tunnel are grouped into a string called Security Descr iptor or si mply descriptor . T wo different sets of descriptors are defi ned:  IKE session descriptors  IPSec descript[...]

Chapter 2 SpeedTouch™ IPSec termin ology E-DOC-CTC-2005 1017-0169 v1.0 18 2.3 Authentication Attribute What is ... T wo main methods for au thentication are suppor ted in the SpeedT ouch™:  pre-shared key  certificates The authenticatio n parameters used for the IKE n egotiations are bundl ed in the SpeedT ouch™ in a descripto r with a [...]

Chapter 2 SpeedTouch™ IP Se c terminology E-DOC-CTC-20051 017-0169 v1.0 19 2.4 Peer (Phase 1) What is ... The Peer is a term that refers to the re mote Security Gatewa y to which the IPSec secure tunnel(s) will be established. In a first phase, an IKE Security Association is negotiated be tween the SpeedT ouch™ and a remote Security Gateway (pe[...]

Chapter 2 SpeedTouch™ IPSec termin ology E-DOC-CTC-2005 1017-0169 v1.0 20 2.5 Connection (Phase 2) What is ... Bundles all th e parameters requir ed for th e Phase 2 SA (IPSec) negotiation:  Peer Reference, pointing to the pe er configuration to be used . In fact, this refers to the IKE channel used fo r the Phase 2 negotiations.  Local/re [...]

Chapter 2 SpeedTouch™ IP Se c terminology E-DOC-CTC-20051 017-0169 v1.0 21 2.6 Network descriptor What is ... The concept of Network Descriptors is introduced for the first time in the SpeedT ouch™ R5.3. Not only th e classical idea of an IP network or subnet is comprised in this concept, but also the protoco l and port number of the messages c[...]

Chapter 2 SpeedTouch™ IPSec termin ology E-DOC-CTC-2005 1017-0169 v1.0 22[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 23 3 Configuration via Local Pages Prerequisites In order to use the VPN features in the SpeedT ouch™608(WL )/620, you should enable the VPN software module. T o activate this VPN module, you have to acquire the optional software ac tivation key . T o check w hether the softwar[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 24 In this section The following topics are discussed in this section: Topic Page 3.1 LAN to L AN Applicatio n 25 3.2 VPN Clie nt 51 3.3 VPN Server 63 3.4 Certificates 73 3.5 Advanced VPN Menu 75[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 25 3.1 LAN to LAN Application Reference network A simple LAN-to-LAN network con figuration is show n here. The figure show s two LAN networks connec ted via a SpeedT ouch ™ to the public Internet. In each LAN segm ent, the IP addresses of the terminals are typically managed by [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 26 Selecting the LAN to LAN application In Expert Mode , click VPN > LAN to LAN . As a result, the following page is shown This page contains two ma in tab pages. Select o ne of the alternative pages, according to w hich VPN context best describes your situation.  When you [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 27 3.1.1 Remote Gateway Address Known Page VPN context Y ou know the location of the Remote Gatewa y in the public Internet, either by its IP address or its FQDN . In this case, the Sp eedT ouch™ can conn ect either as an initiator or as a responder . As an initiator of a con n[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 28 Buttons Y ou can use one of the followi ng buttons: Remote Gateway The Remo te Gatewa y paramete rs identify the peer Secu rity Gateway in the IP network.  Address or FQDN: Fill out the publi cly known network location of the remote Gateway . Y ou can specify the public IP [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 29 Miscellaneous Comprises the following settings:  Primary Untrusted Physical Interf ace : This field s hows a list of your SpeedT ouch™ in terfaces. Y ou select the preferred Pr imary Untrusted Physical Inter face . This interface is used as the primary carrie r for your V[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 30 IKE Security Descriptors The IKE Security Descriptor bundles the security para meters used for the IKE Security Associ ation (Phase1). A number of IKE Security Descriptors are pre-configured in th e SpeedT ouch™, and can be selected from a list. Select a Secu rity Descriptor[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 31 Page layout for pre- shared key authentication When you click Use Preshared Key Authentication , the initial page is u pdated in the following way:[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 32 IKE Authentication with Preshared Key When you select Use Preshared K ey Authentica tion , the following fi elds have to be completed:  Preshared Secret : A string to be used as a secret passw ord for the VPN conn ection. This secret needs to be identicall y configured at b[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 33 Example of a completed page The illustratio n below shows a completed page . The data in the various field s correspond with the VPN l ayout shown on page 25 :  Pre-shared key was selected as authentica tion method.  keyid was selected for the lo cal and remote identity [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 34 Buttons Y ou can use one of the followi ng buttons: Click ... To ... Stop All Connection s to this Gateway Stop all VPN co nnecti ons to the selected remote Security Gateway . Apply Apply modifi cation s made to the settings of the selected remo te Security Gateway . Delete De[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 35 3.1.2 Remote Gateway Address Unknown Page VPN context Y our SpeedT ouch™ may have to set up (simultaneous) VPN connections with various remote Security Ga teways. At the time you co nfigure your SpeedT ouch™, you have no clear idea about the location of the Remote Gateway([...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 36 Aggressive Mode versus Main Mode IKE specifies two modes of operation for the Phase 1 negotiations: main mode an d aggressive mode. Main mode is more secure while aggressive mode is qui cker . Buttons Y ou can use one of the followi ng buttons: Click ... To ... Aggressive mode[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 37 Miscellaneous Comprises the following settings:  Primary Untrusted Physical Interf ace : This field s hows a list of your SpeedT ouch™ in terfaces. Y ou select the preferred Pr imary Untrusted Physical Inter face . This interface is used as the primary carrie r for your V[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 38 IKE Security Descriptors The IKE Security Descriptor bundles the security para meters used for the IKE Security Associ ation (Phase1). A number of IKE Security Descriptors are pre-configured in th e SpeedT ouch™, and can be selected from a list. Select a Secu rity Descriptor[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 39 Page layout for pre- shared key authentication When you click Use Preshared Key Authentication , the initial page is u pdated in the following way:[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 40 IKE Authentication with Preshared Key When you select Use Preshared K ey Authentica tion , the following fi elds have to be completed:  Preshared Secret : A string to be used as a secret passw ord for the VPN conn ection. This secret needs to be identicall y configured at b[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 41 Main Mode initial page When you click Main M ode , the following page is displayed: By clicking a button, the page layout changes, reveali ng other fields and butt ons. More information ab out the various fields and buttons is found below . Buttons Y ou can use one of the foll[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 42 Page layout with additional Descriptors When you click Specify Additional Descriptors , the IKE Security Descriptors ar ea of the page is updated an d shows additional fiel ds where you can specify up to four alternative IKE Security Descriptors: These will be used as alternat[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 43 Page layout for certificate authentication When you click Use Certificate Authentication , the IKE Authentication area of the page is updated in the following way: IKE Authentication: Certificate parameters When you select Use Certif icate Authentication , you have to fill out[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 44 Identification & Interface The Identificati on & Interface fields have to be fille d out with the following information:  Local ID T yp e and Local ID: The Local ID identifies the local SpeedT ouch™ during the Phas e 1 negotiation with the remote Security Gateway [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 45 Example of a completed page The illustratio n below shows a completed page . The data in the various field s correspond with the VPN l ayout shown on page 25 :  Pre-shared key was selected as authentica tion method.  keyid was selected for the lo cal and remote identity [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 46 Buttons Y ou can use one of the followi ng buttons: Click ... To ... Stop All Connection s to this Gateway Stop all VPN co nnecti ons to the selected remote Security Gateway . Apply Apply modifi cation s made to the settings of the selected remo te Security Gateway . Delete De[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 47 3.1.3 Connections Page Page layout When you click New Connection to this Gateway , the following fields are revealed: In this section of t he page, you fill out th e characteristics of the V irtual Private Network you are building. Specify the loca l and remote private network[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 48 Trusted Network The Local and Remote T rusted Network parameters descr ibe which terminals have access to the secure connection at the lo cal and remote peers, respectively . T wo fields must be comp leted for each peer: T rusted Network T ype and T rusted Network IP . The T r[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 49 Port If the tcp or udp protocol is selected for the protocol parameter , then the access to the IPSec connection can be further restricted to a single port. Many well- known port numbers can be selecte d from the pull-down m enu. Separate fields are foreseen for the local and [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 50 Starting and stopping a connection. A VPN connection is started automatically when data is sent or received that complies with th e traffic policy . Alternatively , you can manually start and st op a VPN connection by selecting it in the table. At the bottom of the page, Start[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 51 3.2 VPN Client VPN context For a VPN client-server scenari o a dedicated set of user -friendly configuration pages is available. Separate pages exist for the cl ient and server sides. In this section th e VPN client configuration page is described. The VPN client in th e Speed[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 52 3.2.1 VPN Client Page Initial page When you click VPN > VPN Client , the following page is displayed: The page contains a nu mber of buttons and fields to complete. It is recommend ed to fill out the page from top to bottom. When you click a button, the page layout changes,[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 53 Server IP Address or FQDN Fill out the publicly known network location of the remote Gatew ay . Y ou can sp ecify the public IP address, if it is invariable and known. More o ften, the publicly k nown FQDN (such as vpn.corpor ate.com ) will be used. Backup Server IP Address or[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 54 IPSec Security Descriptor The IPSec Security De scriptor bundles the se curity parame ters used for the Phase 2 Security Association. A number of IPSec Security Descriptors are pre-config ured in the SpeedT ouch™, and can be selected from a list. Select a Security Descriptor[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 55 Primary Untrusted Physical Interface This field shows a l ist of your SpeedT ouch™ interfaces. Y ou select the preferred Primary Untrusted Physical Interf ace . This interface is used as the primary carrier for your VPN connection. In general, the primary untrusted interface[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 56 Page layout for pre- shared key authentication When you click Use Preshared Key Authentication , the initial page is u pdated in the following way: IKE Authentication with Preshared Key When you select Use Preshared K ey Authentica tion , the following fi elds have to be compl[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 57 Starting and stopping a VPN client connection T wo start mechanisms are defined:  Manual Dialup  Automatic Start. When you use pre-shared key authentica tion, both start mechanisms require a number of parameters to be se t. The set of parameters depen ds on which Server [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 58 Local LAN IP Range In this field you have to configure the local access polic y . In other wor ds, you define which IP range of local term inals has access to the VPN. Y ou can specify either a single IP address , a subnet, or a range. Set of Server Vendor specific parameters [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 59 3.2.2 Starting the VPN Client Connection Method 1: Automatic Start In section “ Starting and stopping a VP N client connection” on page 57 , the configuration o f the Automatic Start mechanism is explained. A ll parameters required for starting the co nnection are stored i[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 60 Dialling in 1 Select the VPN server fr om the table and click Dial-In at the bottom of the screen. As a result, th e VPN Client Connect page is shown. 2 Fill out the login parameters an d click Continue . The SpeedT ouch™ starts the negotiat ions to set up the secure VPN con[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 61 Client Identification When for the IKE Authentication method th e Preshared Key method was selected, some Server V e ndor specific fields must be fi lled out. See “ Set of Server V endor specific parame ters ” on page 58 Using XAuth When the VPN serve r uses the Extended A[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 62 3.2.3 Closing a Connection Disconnect procedure At the bottom of the VPN Client Connection Configuration page, all active VPN connections are shown. Select the connection you wa nt to terminate and click Disconnect . The secure connection is cl osed and is removed fr om th e l[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 63 3.3 VPN Server VPN context In a VPN client-server scenari o, the VPN se rver is alwa ys the responder in the IKE negotiations . V arious VPN clients can dial in to a VPN server , since i t supports multiple simultan eous VPN connections. A VPN server do es not know a priori wh[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 64 3.3.1 VPN Server Page Initial page When you click VPN > VPN Server , the following pa ge is displayed: The page contains a nu mber of buttons and fields to complete. It is recommend ed to fill out the page from top to bottom. When you click a button, the page layout changes[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 65 Buttons Y ou can use one of the followi ng buttons: Local Trusted Network The Local T rusted Network open to Remote Cli ents describes which part of the local network you want to make ac cessible for remote VPN clients. T wo fields must be completed: T rusted Network T ype and[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 66 Page layout with additional Networks Clicking Specify Additional Networks allows you to designat e up to four addresses/ subnets in case the Local T rust ed Network can not be described by a single address/ subnet. IKE Security Descriptor The IKE Security Descriptor bundles th[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 67 Page layout with additional Descriptors When you click Specify Additional Descriptors , the IKE Security Descriptors ar ea of the page is updated an d shows additional fiel ds where you can specify up to four alternative IKE Security Descriptors: These will be used as alternat[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 68 Miscellaneous Comprises the following settings:  IKE Exchange Mode : IKE specifies two mode s of operation for the Phase 1 negotiations: main mode and aggressive mode. Main mode i s more secure wh ile aggressive mode is quicker .  Primary Untrusted Physical Interf ace : [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 69 VPN Server settings Comprises the following settings:  Virtual IP Range: Specifies the range of IP addresses fr om which the VPN cl ient addresses are selected. An address range or a subnet can be entered for this parameter . Examples: 10.20.30.[5-50] 10.20.30.*  Netmask[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 70 Page layout for pre- shared key authentication When you click Use Preshared Key Authentication , the initial page is u pdated in the following way: IKE Authentication with Preshared Key When you select Use Preshared K ey Authentica tion , the following fi elds have to be compl[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 71  Remote ID (Filter) T ype and Remote ID Filter : The Remote ID Filter identifies the VPN client duri ng the Phase 1 ne gotiation. This identity is used as a filter for VPN clients when they join the VPN. Its value must match the settings in the VPN client in order to succes[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 72 Authorized Users List When you selected the use of XAuth (either generic or chap) in the VPN Ser ver Configuration page, then clicking Apply r eveals an additional section at the top of the page. Compose a list of authorized users for the VPN: 1 Enter a User name and correspon[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 73 3.4 Certificates Introduction The Certificates Navigation tab gives acce ss to four main pages for certificates management. Secure Storage page This page shows the list of certif icates stored in the SpeedT ouch™. Request Import page This page allows i mporting new certifica[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 74 CEP page This page allows co nfiguring the Certificates E nrollment Protocol settings . Enrollment URL This URL point to the location of the CEP script on t he Certificate Authority server . Usually , it has the foll owing fo rm: “http://<host>[: <port>]/<path[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 75 3.5 Advanced VPN Menu When to use T he Advanc ed VPN menu gives access to two ma in pages where the complete IPSec configuration can be done. These pa ges are component-ori ented, as opposed to the applicatio n-oriented pages describ ed in sections 3.1 , 3.2 and 3.3 . Componen[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 76 Peer Profiles page When you click VPN > Advanced > Peers , the Peer Profiles page is displayed. The Peers page gives access to the following sub-p ages: All peer parameters explained in the CLI co nfiguration method can be filled out in these pages. The parameters of the[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 77 Connection Prof iles page When you click VPN > Advanced > Connections , the Connection Profil es page is displayed. The Connections page gives access to the following sub-pages: All connection pa rameters explained in the CLI configuration method can be fi lled out in th[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 78 3.5.1 Peer Profiles Page Peer Profiles page layout The Peer Profi les page bundles all parameters that define a Peer . A number of parameters ma kes use of sy mbolic descriptors that are defined and managed on other su b-pages. On the Profiles page, these descriptors are selec[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 79 Local ID The Local ID identifies the local Sp eedT ouch™ during the Phase 1 negotiatio n with the remote Security Gateway . This identity must m atch the settings in the remote Security Gateway in order to successfully set up the IKE Security Association. The Local ID t ypes[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 80 Primary Untrusted Physical Interface This field shows a l ist of your SpeedT ouch™ interfaces. Y ou select the preferred Primary Untrusted Physical Interf ace . This interface is used as the primary carrier for your VPN connection. In general, the primary untrusted interface[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 81 Peer Options This optional param eter refers to the symboli c name of a peer option s list. The peer options modify the VPN behaviour . T he peer options lists are defined on the Peers Options sub-p age, see “3 .5.4 Peer Options Page” on pa ge 85 . For a basic IPSec config[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 82 3.5.2 Authentication Page Authentication page layout The Authentication page allows you to define Authentication Attributes . T wo main methods for user authentication are suppo rted in the SpeedT ouch™:  pre-shared key  certificates The user authentication pa rameters[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 83 3.5.3 Peer Descriptors Page Descriptors page layout A Peer Security Descriptor c ontains th e methods fo r message auth entication, encryption and hash ing, and the lifetime of the IKE Security Association. The Peer Descriptors page allows you to manage Peer Security Descripto[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 84 Crypto The table below shows the encryption al gorithms supporte d by the SpeedT ouch™ along with thei r corresponding key size:  DES is relatively slow and is the weak est of the algorith ms, but it is the industry standard.  3DES is a strong er version of DE S, but i[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 85 3.5.4 Peer Options Page Options page layout The Option s page allows you to define Options li sts that you can later refer to in a Peer Profile . Peer options are de scribed in section “6.9 Peer Options” on page 201 .[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 86 3.5.5 VPN-Client Page VPN-Cli ent page layout The VPN-Client page allows you to define VPN Clie nt Descriptors . Client descrip tor name This name is used internally to identi fy the VPN cli ent Descriptor . This name appears in the Client/Server list on the Peer Profi les pag[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 87 Type The Ty p e parameter determines which V irtual IP Address Mapping type is selected. Either dhcp or nat can be selected.  Selecting dhcp has the effect that the virtual IP address attribute d by the VPN server to the SpeedT ouch™ VPN client is effectively assigned to [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 88 3.5.6 VPN-Server Page VPN-Server page layout The VPN-Server page allows you to define VPN Server Descriptors . Server descriptor name This name is used internally to identify the VPN Server Des criptor . This n ame appears in the Client/Server list on the Peer Profi les page. [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 89 Secondary DNS The IP address of the seco n dary DNS server , pr ovided to the VPN clients via IKE Mode Config. This is the secondary DNS serv er in the local network that is open to VPN clients. Primary WINS The IP address of the prim ary WINS server , provided to the VPN clie[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 90 3.5.7 VPN-Server-XAuth Page VPN-Server-XAuth page layout The VPN-Server-XAuth page allows you to define XAuth user pool s and to add authorized users to these pools. An XAuth user pool is a named list of authoriz ed users. Use Add User to define additional user recor ds. XAuth[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 91 3.5.8 Connection Profiles Page Connection Prof iles page layout The Connection Pro files page bundles all parameters that define an IPSec Connecti on to a Peer . In other words it bundles the Phas e 2 parameters. A number of parameters ma kes use of sy mbolic descriptors that [...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 92 Local network This parameter is used in th e proposal presented to the remo te Security Gateway during the Ph ase 2 negotia tion. It determi nes which messages have access to the IPSec connection at the local side of the tunnel. This is the basic parameter for the dynamic IPSe[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 93 Connection Options This optional parameter refe rs to th e symbolic name o f a connection option s list. The connection options modi fy the VPN beh aviour . The connection options lists are defined on the Connection Options sub-page, see “3.5.11 Connection Options Page” on[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 94 3.5.9 Networks Page Networks page layout The Networks page allows you to define Network Descriptors . What is a Network Descriptor? The concept of Network Descriptors is introduced for the first time in the SpeedT ouch™ R5.3. Not only the classi cal idea of an I P network or[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 95 Protocol Optionally , the access to an IPSec connection can be restricted to a specific protocols by se lecting a protocol from the list. Select any if you do not want to restrict the co nnection to a specific protoc ol. Port Optionally , if the tcp or udp pro tocol is se lect[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 96 3.5.10 Connection Descriptors Page Descriptors page layout A Connection Secu rity Descriptor contains the following se curity parameters for an IPSec connection:  Encryption method  Message integrity method (also called message authentication)  Selection to use Perfec[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 97 Parameter table The following table summar izes the paramet ers comprised in the connecti on security descriptor: Connection Descriptor name Internal symbolic na me to iden tify the Connec tion Descriptor . Crypto The table below shows the cr yptographic functions supported by[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 98 Integrity The SpeedT ouch™ supports two types of hashing algo rithms:  HMAC is always used as integrity algo rithm, combined wi th either MD5 or SHA1.  SHA1 is stronger than MD 5, but slightly slower . Encapsulation T unnel mode is used in all applicati ons where the S[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-20051 017-0169 v0.1 99 3.5.11 Connection Options Page Options page layout The Options page allows you to define Options li sts t hat you can later refer to in a Connecti on Profile . Connection options are described in section “6.10 Co nnection Options” on page 207 .[...]

Chapter 3 Configuration via Local Pages E-DOC-CTC-2005 1017-0169 v0.1 100 3.5.12 Client Page Client page layout The Client page is used for dialling-in to a VPN server . Connection Select from the list the name of the connection you want to start. Local ID The local ID identifies the local SpeedT ouch™ du ring the Phase 1 negotiation with the rem[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 101 4 Configuration via the Command Line Interface In this chapter This chapter describes the basic configuration steps fo r building an operation al IPSec via the Com mand Line Interfa ce. Firstl y , a reference network is proposed, that serves in examples throug[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 102 4.1 Basic IPSec configuration procedure Terminology The SpeedT ouch™ uses specific I PSec terms and definitions. Th e following table relates these terms to the question to be solved when setting up an IPSec connection to a remote network Setting up a basic [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 103 Procedure In order to set up a basic IPSec configurat ion, the following main steps have to be executed. 1 Prepare the Peer attributes:  Define a valid Authenticati on Attribut e  Define a valid Peer Security Descriptor 2 Create a new Peer entity 3 Modif[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 104 4.2 Peer: Authentication Attribute What is ... T wo main methods for user authentication are suppo rted in the SpeedT ouch™:  pre-shared key  certificates The user authentication pa rameters used for IKE negotiations are bundled in a descriptor wi th a[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 105 4.2.1 Authentication Attribute Parameters Parameter table The authentication attribute is a named descriptor , bu ndling the authentication parameters. The following data need to be provid ed: Parameter Possible values Description name Arbitrary . Syntax rules[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 106 4.2.2 List all Authentication Attributes list command The ipsec peer auth list command shows al l previously created authentication attributes. Example In this example, four attributes are shown:  cert1: completely defined authentic ation attribute using ce[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 107 4.2.3 Create a New Authentication Attribute add command The ipsec peer auth add command allows adding a new authentication attribute. Example In the following exam ple, a new authentication attr ibute is created, named secret1 The result of this operatio n can[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 108 4.2.4 Set or Modify the Authentication Attribute Parameters modify command The ipsec peer auth modify command allows to mo dify the auth entication attribute parameters. Example In this example, the parame ters of the authentication attribute are set to use th[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 109 4.2.5 Delete an Authentication attribute delete command The IPSec peer auth delete command deletes a previously created authentication attribute. Example In the following exam ple the authentication attribut e, named secret2, is deleted. The result of this ope[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 110 4.3 Peer Security Descriptor What is ... All security parameter s required to esta blish an IKE session are grouped into a string called a Peer Security Descriptor . This descriptor contains the methods for message authentication, encryp tion and hash ing, and[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 111 4.3.1 Peer Security Descriptor Parameters Parameter table The following table summari z es the par ameters comprise d in the peer security descriptor . The table also i ndicates the ke yword used in the CLI for each parameter: Example A Peer S ecurity Descript[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 112 Cryptographic function [crypto] The table below shows the encryp tion algorithms suppor ted by the SpeedT ouch™ along with thei r corresponding key size:  DES is relatively slow and is the weak est of the algorith ms, but it is the industry standard.  [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 113 IKE SA lifetime [lifetime_secs] The lifetime of a Security Association is specified in seconds: Lifetime measured in: Minimum value Maximum value seconds 240 (=4 minutes) 31536000 (=1 year)[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 114 4.3.2 List all Peer Security Descriptors list command Th e ipsec peer descriptor list command show s the list of all defin ed peer security descriptors. Example The example below shows the pre-define d Peer Security Descriptors of the SpeedT ouch™: [ipsec]=&[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 115 4.3.3 Create a New Peer Security Descriptor add command A new Pe er Security Descri ptor is created with the ipsec peer descriptor add command. Example In t he following e xample, a new Peer Security Descriptor is created, named peerdes1 The result of this ope[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 116 4.3.4 Set or Modify the Peer Descriptor Parameters modify command The ipsec peer descriptor modify command sets or modifies the Peer Security Des criptor para meters. Example In this example, the parame ters of the pr eviously defined Pe er Security Descriptor[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 117 4.3.5 Delete a Peer Descriptor delete command The ipsec peer descriptor delete command deletes a Peer Security Descriptor . Example In this example the user -d efined Peer Security Descr iptor , named peerdes1, is deleted: The result of this operation i s veri[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 118 4.4 Peer What is ... Th e Peer is a term that refers to the remote Security Gatewa y the IPSec secure tunnel(s) will be connected to. In a first phase, an IKE Security Association is negotiated be tween the SpeedT ouch™ and a remote Security Gateway (peer). [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 119 4.4.1 Peer parameters Parameters table The fol lowing table shows the peer pa rameters: Peer name [name] The peer name identifies the peer entity . This name only has lo cal significance inside the SpeedT ouch™. This parameter is not used in the IKE negotiat[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 120 Remote Security Gateway identifier [remoteaddr] This parameter localizes the remote Security Ga teway on the Inte rnet. Eith er the public IP address or the Fully Qualified Domain Nam e can be used as an iden tifier . Backup remote Security Gateway Identifier [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 121 Remote Identifier [remoteid] This parameter identifies the remote Secu rity Gateway during the Phase 1 negotiation. This identity must match the se ttings in the remote Security Gateway in order to successfully set up the IKE Security Association. Th e identit[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 122 Physical Interface [phyif] Y ou can tie the peer to one of your SpeedT ouch™ interfac es. This interface is then used as the primary carrier for your VPN connection. In general, the primary untrusted interface is yo ur DSL connection to the publ ic Internet.[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 123 4.4.2 List all peer entities list command Th e ipsec peer list command shows the list of all defin ed peer entities. Example In the followin g example, a list of all defined peer entities is created. [ipsec]=> [ipsec]=> peer [ipsec peer]=> list [peer1[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 124 4.4.3 Create a new peer entity add command A new Peer is created with the ipsec peer add command. Example In the following example, a ne w peer is create d, named peer1 The result of this operatio n can be verified with the list command. For the newly created [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 125 4.4.4 Set or modify the peer parameters modify command The ipsec peer modify command sets or modifie s the peer parameters. Example In this example, the parame ters of the previously defi ne d peer , named peer1, are set: Use the list command to verify the res[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 126 4.4.5 Delete a Peer entity delete command The ipsec peer delete command deletes a peer entity . Example In this example the peer , named peer1, is deleted: The result of this operation i s verified with the list command. [ipsec peer]=> [ipsec peer]=> del[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 127 4.5 Connection Security Descriptor What is ... Al l security parameter s required to esta blish an IPSec tunnel are grouped into a string called Connection Secu rity Descriptor . This descriptor cont ains the following parameters:  Encryption method  Mes[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 128 4.5.1 Connection Security Descriptor parameters Parameters table The fol lowing table summar izes the parameters comprised in the connection security descripto r . The table also indic ates the keyword used in the CLI for each parameter: Example: A Connection [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 129 Cryptographic function [crypto] The table below shows the cr yptographic functions supported by the SpeedT ouch™ along with thei r corresponding key size:  DES is relatively slow and is the weak est of the algorith ms, but it is the industry standard. [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 130 Perfect Forward Secrecy [pfs] Enables or disabl es the use of Perfect Forward Secre cy . A lot of vendor s have Perfect Forward Secrecy (PFS) enabled by default for the Phase 2 negotiation. In order to configu re this on the SpeedT ouch™, the use of PFS must[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 131 4.5.2 List all Connection Security Descriptors list command Th e ipsec connection descriptor list command show s the list of all defined Connectio n Security Descriptors . Example The example below shows the pre-defined Co nnection Security Descriptors of t he[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 132 4.5.3 Create a new Connection Security Descriptor add command A new Connection Se curity Descriptor is created with the ipsec connection descriptor add command. Example In the following exam ple, a new Connection Se curity Descriptor is created, nam ed cnctdes[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 133 4.5.4 Set the Connection Security Descriptor Parameters modify command The ipsec connection descriptor modify command sets or modi fies the connection descr iptor parameters. Example In this example, the para meters of the pr eviously defined Con nection Secur[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 134 4.5.5 Delete a Connection Security Descriptor delete command The ipsec connection descriptor delete command dele tes a Connection Descriptor . Example In this example the user -defi ned Connection Security Descriptor , name d cnctdes1, is deleted: The result o[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 135 4.6 Network Descriptor What is ... The concept of Network Descriptor s is introduced for the first time in the SpeedT ouch™ R5.3.0. Not only the classi cal idea of a n IP network or subnet i s comprised in this concept, but also the protoco l and port number[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 136 4.6.1 Network Descriptor Parameters Parameters table The fol lowing table summar izes the parameters comprised in the Network Descriptor: Network name [name] This name is used intern ally to identify the Network Descriptor . Type of network and IP address [typ[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 137 Protocol [proto] Access to an IPSec co nnection can be restricted to specific protocols. This can optionally b e configured with the proto parameter . V alid entries are listed in the following table. Alternatively , any vali d protocol number as assigned by I[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 138 4.6.2 Create a New Network Descriptor add command A new Network Descriptor is created with the ipsec connection network add command. Example In the following example, a new Network descriptor is creat ed, named net1: The result of this operatio n can be verifi[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 139 4.6.3 Set the Network Descriptor Parameters modify command The ipsec connection network modify command sets or modifies the Network Descriptor parameters. Example In this example, the parameters of th e previously defi ned network, na med net1, are set: In the[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 140 4.6.4 Delete a Network Descriptor delete command The ipsec connection network delete command deletes a Network Descriptor . Example In this example the Network Descr iptor , named net1, is deleted: The result of this operation i s verified with the list comman[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 141 4.7 Connection What is ... A Connection bundles all the pa rameters required for the PH2 SA negotiation:  Peer Reference, pointing to the pe er configuration to be used . In fact, this refers to the IKE channel used fo r the Phase 2 negotiations.  Local/[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 142 4.7.1 Connection Parameters Parameters table The table b elow shows the connection parameters. Connection name [name] This symbolic name on ly has local sign ific ance inside the SpeedT o uch™ router . This parameter is not use d in the Phase 2 negotiations [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 143 Local network [localnetwork] This parameter is used in th e proposal presented to the remo te Security Gateway during the Ph ase 2 negotia tion. It determi nes which messages have access to the IPSec connection at the loca l side of the tunnel. This is basic p[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 144 Always-on connection [alwayson] This parameter determines whether the conn ection is permanentl y enabled or not. By default this parameter is set to disabl ed . In this case the IPS ec connection is started only when tra ffic is sent that complies with th e I[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 145 4.7.2 List all Connections list command Th e ipsec connection list command shows the list of all defined connections. Example In the followin g example, a list of all defined connections is shown. [ipsec connection]=> list [connect1] Peer : peer1 Local netw[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 146 4.7.3 Create a New Connection add command A new Connection is created with the ipsec connection add command. Example In the following example, a new co nnection is created, name d connect1 The result of this operatio n can be verified with the list command. Fo[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 147 4.7.4 Set or Modify the Connection Parameters modify command The ipsec connection modify command sets or modifies the Connection parameters. Example In this example, the para meters of the pr eviously defined Con nection, named connect1, are set: Use the list [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 148 4.7.5 Delete a Connection delete command The ipsec connection delete command deletes a Connection. Example In this example the connection, named connect1, is deleted: The result of this operation i s verified with the list command. [ipsec connection]=> dele[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 149 4.7.6 Start a Connection start command The ipsec connection start command tr iggers th e establishment of a Security Associat ion. If no IKE Security As sociation between the SpeedT ouch™ and the remote Security Gateway exists, the Phase 1 negotiatio n is st[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 150 4.7.7 Stop a connection stop command The ipsec connection stop command tears down th e designated Security Association. The IKE Security Associat ion is n ot stopped with this command. Example In this example the connection, named connect1, is stopped: The res[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 151 4.8 Auxiliary Commands In this section The following topics are discussed in this section: Topic Page 4.8.1 Config Command 152 4.8.2 Flush Command 155 4.8.3 Clear Comm and Group 156[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 152 4.8.1 Config Command What is it used for This command serves two d ifferent purpos es. Withou t addition al parameter , the command displays th e current VPN settings. When an additional parameter is appended, the com mand controls the setting of thi s VPN par[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 153 AutoPr oxyARP The automatic addition of Pr oxyARP entries in VPN client /server scenarios can be enabled or disabled. B y default this se tting is enabled. When disabled, the ProxyARP entries have to be entered manually . When do I need ProxyARP In a VPN scena[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 154 An example of Auto ProxyARP As an example, suppose a VPN server is configure d on a SpeedT ouch™ with the subnet 192.168.1.0 as its private LAN addre ss range. The VPN server is configured to distribute Virtual IP addr esses to the remote clients in the same[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 155 4.8.2 Flush Command What is it used for This command flushes the co mplete IPSec configuration.[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 156 4.8.3 Clear Command Group What is it used for This command group compri ses two commands, intended for clearing Security Associations:  clear all  clear session The clear command gr oup is accessed in the fol lowing way: clear all This comman d clears al[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 157 4.9 Organisation of the IPSec Command Group Introduction In this section an overview is given of the IPSec Com mand Group stru cture. Underlined keywords represent a comman d group. Other key words are comm ands. ipsec command group The ipsec command grou p co[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 158 Connection command group The following table shows the commands of the ipsec connection command group. Debug command group The following table shows t he commands of the ipsec debug com mand group. ipsec connection command group advanced add modify delete list[...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-20051 017-0169 v0.1 159 Peer command group The following table shows the commands of the ipsec peer command group. ipsec peer command group auth add modify delete list descriptor add modify delete list option add modify delete list subpeer add modify delete list vpnclient add modify [...]

Chapter 4 Configuration via the Co mmand Line Interface E-DOC-CTC-2005 1017-0169 v0.1 160 Show command group The following table shows the commands of the ipsec show command grou p. list ipsec peer command group ipsec show command group all config state sessions stats spd sadb[...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 161 5 Troubleshooting SpeedTouch™ IPSec Introduction IPSec is a complex protocol suite and th erefore the SpeedT ouch™ offers a number of troubleshooti ng methods. Both the W eb pages and the CLI interface al low you to check whether a tunnel setup was successful or has[...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 162 5.1 Via the Debug Web pages How to see the status of the VPN connection Browse to Expert mode > VPN > Debug > Status . This page shows the status of the IKE Security Asso ciation (Phase 1) and the IPSec Security Associ ation(s) (Phase 2) . For an operational V[...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 163 How to monitor the IPSec negotiations Proceed as fol lows: 1 Browse to Expert mode > VPN > Debug > Loggin g . 2 Select the desired level of T race Detail . Select high to see the most detailed level of loggin g. 3 Start the VPN connection. 4 Browse again to Exp[...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 164 How to see the amount of traffic carried by a VPN connection Browse to Expert mode > VPN > Debug > Statistics . This pa ge shows the am ount of traffic carried over the IKE Security Association (Phase 1) and the IPSec Security Association(s) (Phase 2).[...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 165 5.2 Via the CLI: Show command group Show command group  Y ou can check whether the secure tunnels are up:  Y ou can check whether traffic is passing the tunnel and ke ep track of the number of packets and bytes. Therefore, take a snapshot of the number of packets/[...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 166 ... IPSecGlobalStats ---------------- IPSecGlobalActiveTunnels : 0 IPSecGlobalPreviousTunnels : 0 IPSecGlobalInOctets : 0 IPSecGlobalHcInOctets : 281483566645248 IPSecGlobalInOctWraps : 0 IPSecGlobalInDecompOctets : 0 IPSecGlobalHcInDecompOctets : 281483566645248 IPSec[...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 167 5.3 Via the CLI: Debug command group Traceconfig command The traceconfig comma nd sets the level of debugging messages that are dumped to the screen. This is shown be low: Y ou can check the Phase 1 and 2 specific informatio n be ing exchanged du ring tunnel setup via f[...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 168 Via Syslog messages The Syslog protocol i s a powerful mechanism to investig ate network issues. It allows for logging ev ents occurred on the device. The Syslog messages can be retrieved in two ways:  locally Use these CLI command to retrieve the history of Syslog [...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 169 Syslog m essages Th e following table show s the syslog messages. Severity Contents ERROR unable to delete old SPD entry ERROR Peer local ID not conf igured ERROR unable to delete SPD entry NOTICE invalid certificate <REASON> INFO new phase 2 sa: fr om <IP ADDR[...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 170 5.4 Via SNMP Debugging via SNMP On the SpeedT ouch™, seve ral SNMP MIBs are availa ble allowing to r etrieve configuration and count er information. A MIB (Management In formation Base) can be considered as a repre sentation of a grou p of parameters. A huge amount o[...]

Chapter 5 Troubleshooting SpeedTouch™ IPSec E-DOC-CTC-20051 017-0169 v0.1 171 5.5 Pinging from the SpeedTouch™ to the remote private network Ping command In order to verify that an IPSec tunnel is active, you can use the :ip debug pi ng CLI command of the SpeedT ouch™. With this command you are able to send ping messages from the SpeedT ouch [...]

Chapter 5 Troubleshootin g SpeedTouch™ IPSec E-DOC-CTC-2005 1017-0169 v0.1 172[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 173 6 Advanced Features In this section The following topics are d escribed in this section : Topic Page 6.1 IPSec and the Stateful Inspection Firewall 174 6.3 Extended Authenti cation (XAuth) 176 6.4 VPN Clie nt 177 6.5 VPN Server 182 6.6 XAuth Users Pool 188 6.7 The Default Peer Concept 19[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 174 6.1 IPSec and the Statef ul Inspection Firewall What about ... The SpeedT ouch™ has a built-i n firewall which is com plete ly configurable b y the user . A number of preset fire wall levels are defined that allow an easy configuration according to your security policy . In most cases,[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 175 6.2 Surfing through the VPN tunnel Web Browsing Interception and surfing through a tunnel One of the SpeedT ouch™ feat ures for easy Internet acce ss is the so -called Web Browsing Interception, also referred to as Differentiated Servic es Detection (DSD). This feature moni tors your H[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 176 6.3 Extended Authentication (XAuth) What is ... Extended Authenticati on, commonly referred to as the XAuth protocol, allows for performing extra user auth entication. A ty pical practical example is the mixed use of IKE tunnel ne gotiation using p reshared key as a uthentication method [...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 177 6.4 VPN Client Introduction The SpeedT ouch™ can be configured as a VP N client. SpeedT ouch™. In this function, it su pports the IKE Mode Confi g protocol to receive c onfiguration parameters from the remote VPN server . Op tionally , you can enab le the use of the Extended Authenti[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 178 6.4.1 VPN Client parameters Parameters table The following table shows the VP N Client parameters. VPN Client parameters Parameter Keyword Descrip tion VPN client name name Mandatory . Symbolic name for the VP N server , used internally in the SpeedT ouch™. XAuth user name xauthuser Op[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 179 6.4.2 Create a new vpnclient add command A new vpnclient is created with the ipsec peer vpnclient add comma nd. Example In the following example, a new vpnclie nt entity is created, name d client1 The result of this operatio n can be verified with the list command. For the newly created [...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 180 6.4.3 Set or modify the vpnclient parameters modify command The ipsec peer vpnclient modify command sets or modifies the vpnclient entity parameters. Example In this example, the parame ters of the pr eviously defined vp nclient entity , named client1, are set: Use the list command to ve[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 181 6.4.4 Attach the vpnclient entity to the peer entity modify the peer parameters The :ipsec peer modify name=peer1 client/server=client1 command attaches the previou sly defined vp nclient enti ty to the corresponding peer . Example In this example vpnclient1 is attached to peer1: The res[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 182 6.5 VPN Server Introduction In the previou s section the SpeedT ouch™ was used as a VPN client. The SpeedT ouch™ can be used equ ally well as a VPN server . In this function, it can be configured with a XAuth user pool, to ser ve remote clients. In this section the VPN server command[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 183 6.5.1 VPN Server parameters Parameters table The fol lowing table shows the VPN Se rver paramete rs. Connection name [name] This symbolic name on ly has local sign ific ance inside the SpeedT o uch™ router . VPN Server parameters Parameter Keyword Descrip tion VPN server name name M an[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 184 Push IP address [push_ip] The VPN server will always p rovide an IP address to the remote VPN clie nt. VPN clients can behave in two different ways. Either: the VPN client requests an IP address. Then the VPN server responds to this request, a nd provides a suitable IP ad dress. Or: The [...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 185 6.5.2 Create a new VPN server add command A new VPN server is create d with the ipsec peer vpnserver add command. Example In the following example, a new vpnclie nt entity is created, name d client1 The result of this operatio n can be verified with the list command. For the newly create[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 186 6.5.3 Set or modify the vpnserver parameters modify command The ipsec peer vpnserver modify command sets or modifies the vpnserver entity parameters. Example In this example, the parame ters of the previously defi ne d vpnserver entity , named serv1, are set: Use the list command to veri[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 187 6.5.4 Attach the vpnserver entity to the peer entity modify the peer parameters The :ipsec peer modify name=peer1 client/server=serv1 command attaches the previou sly defined vpnserver enti ty to the co rresponding peer . Example In this example vpnclient1 is attached to peer1: The resul[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 188 6.6 XAuth Users Pool Introduction In the previou s section the application of the SpeedT ouch™ as a VPN server was described. In addition to the IPSec authentication mechan isms, the clients may support the use of the XAuth protocol. In this case, the SpeedT ouch™ VPN server can serv[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 189 6.6.1 XAuth Pool parameters Parameters table The fol lowing table shows the XAuth Po ol parameters. XAuth Pool parameters Parameter Keyword Description XAuth pool name name Mandator y . Symbol ic name for the XA uth pool, used internally in the SpeedT ouch™. Pool type type Mandatory . [...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 190 6.6.2 Create a new XAuth pool add command A new XAuth pool is created with the ipsec peer vpnserver xauthpool add command. Example In t he following example, a new xauthpool is created , named pool1 The result of this operatio n can be verified with the list command. [ipsec]=> [ipsec][...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 191 6.6.3 Modify the xauthpool type modify command With the ipsec peer vpnserver xauthpool modify command it is possible to mod ify the pool type. Example In t his example, the type of the previously defined pool, named pool1, is set to chap: Use the list or listpool command to verify the re[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 192 6.6.4 Attach the xauthpool entity to the vpnserver entity modify the vpnserver parameters The :ipsec peer vpnserver modify name=serv1 xauthpool=pool1 command attaches the previ ously defi ned pool to the vp nserver , named se rv1. Example In this example pool1 is attached to vpnserver1: [...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 193 6.6.5 Delete an xauthpool entity delete command The ipsec peer vpnserver xauthpool delete command deletes a network. Example In this example the po ol , named pool 1, is deleted: The result of this operation i s verified with the list command. [ipsec peer vpnserver xauthpool]=>delete [...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 194 6.6.6 XAuth User parameters Parameters table The fol lowing table shows the XAuth Use r parameters. Parameter Keyword Pool name po olname User name username Password password[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 195 6.6.7 Create a new XAuth user adduser command A new XAuth user is created with the ipsec peer vpnserver xauthpool adduser command. Example In the fo llowing example the pool, named pool1, is po pulated with a new XAuth user , named user1: The result of this operatio n can be verified wit[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 196 6.6.8 Set or modify the password of an XAuth user moduser command The ipsec peer vpnserver xauthpool moduser command allows setting or modifying the XAuth user passw ord. Example In this example, the password of the prev iously defined u ser , named user1, is set: Use the list command to[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 197 6.6.9 Delete an xauthuser entity delete command The ipsec peer vpnserver xauthpool deluser command deletes a XAuth user entry from its pool. Example In this example the user , named user1, is deleted: The result of this operation i s verified with the list command. [ipsec peer vpnserver [...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 198 6.7 The Default Peer Concept Why the default peer concept Consider the network configuratio n shown below: When the SpeedT ouch™ [1] gets its IP ad dress dynamically assi gned (e.g. du ring PPP tunnel setup), a remote IPSec p eer ca nnot know in advance which IP address will be assigne[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 199 Example IPSec connection, applying the default peer concept SpeedT ouch™ [1] IPSec peer configuration: The paramete r localid can rem ain either unset, or an identifie r type can be use d that is independen t of the IP addr ess, such as the userfqdn. SpeedT ouch™ [2] IPSe c peer conf[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 200 6.8 One Peer - Multiple Connections Multiple tunnels In order to setup a Phase 2 tunnel, a Phase 1 IKE tunnel is requir ed first. Via this Phase 1 tunnel the signalling messages, negotiating the Phase 2 tunnel, are transferred. The SpeedT ouch™ allows sett ing up several Phase 2 tunn e[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 201 6.9 Peer Options Options list The pe er options alter the behaviou r of the VPN network. Options to be appli ed to Peer entities are stored in na med Option Li sts. An Option List contains the following options: Local Address When multiple I P addresses are assigned to the SpeedT ouch™[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 202 Dead Peer Detection The SpeedT ouch™ supports the Dead Peer Detection protocol . By default, the use of this protocol i s enabled. This option allows disabling th e use of the DPD protocol. DPD Idle Period The DPD pro tocol defines a wo rry period. This is an idle time during which no [...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 203 6.9.1 List all Peer Options lists list command Th e ipsec peer options list command shows all previously created options lists. Example In t he following example, a list of all previously created o ptions is shown. =>ipsec [ipsec]=>peer [ipsec peer]=>options [ipsec peer options][...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 204 6.9.2 Create a Peer Options list add command Th e ipsec peer options add command allows adding a new options list. Example In the following example, a new op tions list is cr eated, named opt1 The result of this operatio n can be verified with the list command, as shown above. [ipsec]=&g[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 205 6.9.3 Set or modify the Peer Option list parameters modify command The ipsec peer options modify command allo ws to mo dify the options list parameters. Example In the following exampl e, the options list pa rameters are modified. [ipsec peer options]=>modify name = opt1 [localaddr] =[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 206 6.9.4 Delete a Peer Options list delete command The ipsec peer options delete command deletes a previously crea ted options list. Example In the following example th e options list, nam ed opt2, is delete d. The result of this operatio n can be verified with the list command. [ipsec peer[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 207 6.10 Connection Options Options list The connection options alter the behavi our of the VPN network. Options to be applied to Conne ctions are stored in name d Option Lists. An Op tion List contains the following options: IPSec routing mode [routed] This parameter has two possible setti [...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 208 Don’t Fragment bit [force_df] IPSec encryption increases the packet length. When the MTU of a link is adjusted to pass the largest IP packet unfragmented, then messages encapsulated by IPSec will not pass if the Don’ t Fragment bit is set. In some cases, it might be required to influ[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 209 6.10.1 List all Connection Options lists list command Th e ipsec connection options list command shows all p reviously created options lists. Example In the following example, all prev iously created options are listed. [ipsec]=>connection [ipsec connection]=>options [ipsec connect[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 210 6.10.2 Create a Connection Options list add command Th e ipsec connection options add command allo ws adding a new options list. Example In the following example, a new op tions list is created, named copt1 The result of this operatio n can be verified with the list command, as shown abo[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 211 6.10.3 Set or modify the Connection Option list parameters modify command The ipsec connection options modify command allows to modify the options list parameters. Example In the following exampl e, the options list pa rameters are modified. =>ipsec [ipsec]=>connection [ipsec conne[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 212 6.10.4 Delete an Options list delete command The ipsec connection options delete command deletes a previo usly created options list. Example In the following example th e options list, named copt1, is deleted. [ipsec connection options]=>delete name = copt1 :ipsec connection options d[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 213 6.11 Advanced Connection Introduction The Advanced command g roup is a sub-group of the Conn ection command group. It allows addition al connection se ttings in order to take full advantage of the dynamic policy capabilities of the SpeedT ouch™. Parameters table The table below lists p[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 214 Local network [localnetwork] This parameter is used in th e proposal presented to the remo te Security Gateway during the Ph ase 2 negotia tion. It determi nes which messages have access to the IPSec connection at the loca l side of the tunnel. This is basic parameter for the dynamic IPS[...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 215 Local match [localmatch] This setting is releva nt in responder mode only . It is optionall y filled out. In a basic configuration it is left unset. When unset, the SpeedT ouch™ uses its dynamic IPSec policy capabiliti es to complete this field. The ipsec connection advanced command gr[...]

Chapter 6 Advanced Features E-DOC-CTC-2005 1017-0169 v0.1 216 Remote match [remotematch] This setting is releva nt in responder mode only . It is optionall y filled out. In a basic configuration it is left unset. When unset, the SpeedT ouch™ uses its dynamic IPSec policy capabiliti es to complete this field. The ipsec connection advanced command [...]

Chapter 6 Advanced Features E-DOC-CTC-20051 017-0169 v0.1 217 Local selector [localselector] The local selector expresses a static IPSec policy for access to the IPSec tunnel at the local end. This s etting can optionally be filled out manual ly . In a basic configuration it is left unset. In such a cas e, the SpeedT ouch™ uses its dynamic policy[...]

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