ZyXEL Communications P-662H-61 User Manual page 17

15.3.1 Transport Mode ...................................................................................................... 218
15.3.2 Tunnel Mode ......................................................................................................... 218
15.4 IPSec and NAT ................................................................................................................ 218
Chapter 16
VPN Screens.......................................................................................................................... 221
16.1 VPN/IPSec Overview ....................................................................................................... 221
16.2 IPSec Algorithms ............................................................................................................. 221
16.2.1 AH (Authentication Header) Protocol ..................................................................... 221
16.2.2 ESP (Encapsulating Security Payload) Protocol .................................................... 221
16.3 My IP Address ................................................................................................................. 222
16.4 Secure Gateway Address ................................................................................................ 222
16.4.1 Dynamic Secure Gateway Address ....................................................................... 223
16.5 VPN Setup Screen ......................................................................................................... 223
16.6 Keep Alive ....................................................................................................................... 225
16.7 VPN, NAT, and NAT Traversal ......................................................................................... 225
16.8 Remote DNS Server ........................................................................................................ 226
16.9 ID Type and Content ........................................................................................................ 227
16.9.1 ID Type and Content Examples ............................................................................. 228
16.10 Pre-Shared Key ............................................................................................................. 229
16.11 Editing VPN Policies ..................................................................................................... 229
16.12 IKE Phases ................................................................................................................... 233
16.12.1 Negotiation Mode ................................................................................................. 234
16.12.2 Diffie-Hellman (DH) Key Groups .......................................................................... 235
16.12.3 Perfect Forward Secrecy (PFS) .......................................................................... 235
16.13 Configuring Advanced IKE Settings ............................................................................. 235
16.14 Manual Key Setup ......................................................................................................... 238
16.14.1 Security Parameter Index (SPI) .......................................................................... 238
16.15 Configuring Manual Key ............................................................................................... 238
16.16 Viewing SA Monitor ...................................................................................................... 241
16.17 Configuring Global Setting ............................................................................................ 242
16.18 Telecommuter VPN/IPSec Examples ............................................................................ 243
16.18.1 Telecommuters Sharing One VPN Rule Example ................................................ 243
16.18.2 Telecommuters Using Unique VPN Rules Example ............................................. 244
16.19 VPN and Remote Management ..................................................................................... 245
Chapter 17
Certificates ............................................................................................................................ 247
17.1 Certificates Overview ....................................................................................................... 247
17.1.1 Advantages of Certificates ..................................................................................... 248
17.2 Self-signed Certificates .................................................................................................... 248
17.3 Configuration Summary ................................................................................................... 248
17.4 My Certificates ................................................................................................................ 248
P-662H/HW-D Series User's Guide
Table of Contents
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