ZyXEL Communications ZyWall 35 User Manual page 15

13.3.1 Transport Mode ....................................................................................228
13.3.2 Tunnel Mode .........................................................................................228
13.4 IPSec and NAT ...............................................................................................228
Chapter 14
VPN Screens......................................................................................................... 231
14.1 VPN/IPSec Overview .....................................................................................231
14.2 IPSec Algorithms ............................................................................................231
14.2.1 AH (Authentication Header) Protocol ....................................................231
14.2.2 ESP (Encapsulating Security Payload) Protocol ..................................231
14.3 My ZyWALL ....................................................................................................232
14.4 Remote Gateway Address .............................................................................232
14.4.1 Dynamic Remote Gateway Address .....................................................233
14.5 Nailed Up .......................................................................................................233
14.6 NAT Traversal ................................................................................................233
14.6.1 NAT Traversal Configuration .................................................................234
14.7 ID Type and Content ......................................................................................234
14.7.1 ID Type and Content Examples ............................................................235
14.8 IKE Phases ....................................................................................................236
14.8.1 Negotiation Mode ..................................................................................237
14.8.2 Pre-Shared Key ....................................................................................237
14.8.3 Diffie-Hellman (DH) Key Groups ...........................................................238
14.8.4 Perfect Forward Secrecy (PFS) ...........................................................238
14.9 X-Auth (Extended Authentication) ..................................................................238
14.9.1 Authentication Server ...........................................................................238
14.10 Icons Key .....................................................................................................239
14.11 IPSec Fields Summary .................................................................................239
14.12 IKE VPN Rule Summary Screen ..................................................................240
14.12.1 Configuring an IKE Gateway Policy ....................................................241
14.12.2 Configuring an IKE Network Policy .....................................................247
14.12.2.1 Associating a Network Policy to a Gateway Policy ...................251
14.13 Manual VPN Rule Summary Screen ............................................................252
14.13.1 Editing Manual VPN Rules .................................................................254
14.13.2 Security Parameter Index (SPI) ..........................................................254
14.14 Viewing SA Monitor ......................................................................................258
14.15 Configuring Global Setting ...........................................................................259
14.16 Telecommuter VPN/IPSec Examples ...........................................................260
14.16.1 Telecommuters Sharing One VPN Rule Example ..............................260
14.16.2 Telecommuters Using Unique VPN Rules Example ...........................260
14.17 VPN and Remote Management ...................................................................262
ZyWALL 35 User's Guide
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