ZyXEL Communications ZyXEL ZyWALL P1 - Manual (Page 14)

ZyWALL P1 User’s Guide
Table of Contents 13
8.1.4.2 Accessing Network Resources When NAT Is Enabled .................124
8.1.4.3 Unsupported IP Applications .........................................................124
8.2 IPSec Architecture ...........................................................................................125
8.2.1 IPSec Algorithms ....................................................................................125
8.2.2 Key Management ....................................................................................125
8.3 Encapsulation ...................................................................................................125
8.3.1 Transport Mode ......................................................................................126
8.3.2 Tunnel Mode ...........................................................................................126
8.4 IPSec and NAT .................................................................................................126
Chapter 9
VPN Screens......................................................................................................... 129
9.1 VPN/IPSec Overview .......................................................................................129
9.2 IPSec Algorithms ..............................................................................................129
9.2.1 AH (Authentication Header) Protocol ......................................................129
9.2.2 ESP (Encapsulating Security Payload) Protocol ....................................129
9.3 My ZyWALL ......................................................................................................130
9.4 Secure Gateway Address ................................................................................130
9.4.1 Dynamic Secure Gateway Address ........................................................131
9.4.2 Nailed Up ................................................................................................131
9.5 NAT Traversal ..................................................................................................131
9.5.1 NAT Traversal Configuration ...................................................................132
9.5.2 X-Auth (Extended Authentication) ..........................................................132
9.5.3 Authentication Server .............................................................................132
9.6 ID Type and Content ........................................................................................133
9.6.1 ID Type and Content Examples ..............................................................134
9.7 Pre-Shared Key ................................................................................................134
9.8 IKE VPN Rule Summary Screen ......................................................................135
9.8.1 Configurign an IKE VPN Rule .................................................................135
9.8.2 Configuring an IKE VPN Policy ...............................................................140
9.8.2.1 Activating a VPN Connection ........................................................144
9.9 Viewing SA Monitor ..........................................................................................144
9.10 Configuring Global Setting .............................................................................145
9.11 Telecommuter VPN/IPSec Examples .............................................................146
9.11.1 Telecommuters Sharing One VPN Rule Example .................................147
9.11.2 Telecommuters Using Unique VPN Rules Example .............................147
9.12 VPN and Remote Management .....................................................................149
Chapter 10
Certificates............................................................................................................ 151
10.1 Certificates Overview .....................................................................................151
10.1.1 Advantages of Certificates ....................................................................152
10.2 Self-signed Certificates ..................................................................................152