ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual page 225

LABEL
Content The configuration of the peer content depends on the peer ID type.
Do the following when you set Authentication Method to Pre-shared Key.
It is recommended that you type an IP address other than 0.0.0.0 or use the DNS or E-
mail ID type in the following situations:
Do the following when you set Authentication Method to Certificate.
Regardless of how you configure the ID Type and Content fields, two active SAs cannot
have both the local and remote IP address ranges overlap between rules.
VPN Screens
Table 14-7 Basic IKE VPN Rule Edit
For IP, type the IP address of the computer with which you will make the VPN
connection. If you configure this field to 0.0.0.0 or leave it blank, the ZyWALL will
use the address in the Secure Gateway Address field (refer to the Secure
Gateway Address field description).
For DNS or E-mail, type a domain name or e-mail address by which to identify
the remote IPSec router. Use up to 31 ASCII characters including spaces,
although trailing spaces are truncated. The domain name or e-mail address is for
identification purposes only and can be any string.
When there is a NAT router between the two IPSec routers.
When you want the ZyWALL to distinguish between VPN connection requests
that come in from remote IPSec routers with dynamic WAN IP addresses.
For IP, type the IP address from the subject alternative name field of the
certificate the remote IPSec router will use for this VPN connection. If you
configure this field to 0.0.0.0 or leave it blank, the ZyWALL will use the address in
the Secure Gateway Address field (refer to the Secure Gateway Address field
description).
For DNS or E-mail, type the domain name or e-mail address from the subject
alternative name field of the certificate the remote IPSec router will use for this
VPN connection.
For Subject Name, type the subject name of the certificate the remote IPSec
router will use for this VPN connection.
For Any, the peer Content field is not available.
ZyWALL 2 Series User's Guide
DESCRIPTION
14-19