ZyXEL ZyWALL USG 50 User Manual - Page 394
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Chapter 23 IPSec VPN Table 116 Configuration > VPN > IPSec VPN > VPN Gateway > Edit (continued) LABEL DESCRIPTION Certificate Select this to have the ZyWALL and remote IPSec router use certificates to authenticate each other when they negotiate the IKE SA. Then select the certificate the ZyWALL uses to identify itself to the remote IPsec router. This certificate is one of the certificates in My Certificates. If this certificate is self-signed, import it into the remote IPsec router. If this certificate is signed by a CA, the remote IPsec router must trust that CA. Note: The IPSec routers must trust each other's certificates. Local ID Type Content The ZyWALL uses one of its Trusted Certificates to authenticate the remote IPSec router's certificate. The trusted certificate can be a self-signed certificate or that of a trusted CA that signed the remote IPSec router's certificate. This field is read-only if the ZyWALL and remote IPSec router use certificates to identify each other. Select which type of identification is used to identify the ZyWALL during authentication. Choices are: IP - the ZyWALL is identified by an IP address DNS - the ZyWALL is identified by a domain name E-mail - the ZyWALL is identified by an e-mail address This field is read-only if the ZyWALL and remote IPSec router use certificates to identify each other. Type the identity of the ZyWALL during authentication. The identity depends on the Local ID Type. IP - type an IP address; if you type 0.0.0.0, the ZyWALL uses the IP address specified in the My Address field. This is not recommended in the following situations: • There is a NAT router between the ZyWALL and remote IPSec router. • You want the remote IPSec router to be able to distinguish between IPSec SA requests that come from IPSec routers with dynamic WAN IP addresses. In these situations, use a different IP address, or use a different Local ID Type. DNS - type the domain name; you can use up to 31 ASCII characters including spaces, although trailing spaces are truncated. This value is only used for identification and can be any string. E-mail - the ZyWALL is identified by an e-mail address; you can use up to 31 ASCII characters including spaces, although trailing spaces are truncated. This value is only used for identification and can be any string. 394 ZyWALL USG 50 User's Guide