ZyXEL Communications 200 Series User Manual

 Chapter 41 Certificates

ZyWALL USG 100/200 Series User’s Guide

Click Object > Certificate > Trusted Certificates and then a certificate’s Edit icon to open 
the Trusted Certificates Edit screen. Use this screen to view in-depth information about the 
certificate, change the certificate’s name and set whether or not you want the ZyWALL to 
check a certification authority’s list of revoked certificates before trusting a certificate issued 
by the certification authority.

Valid To

This field displays the date that the certificate expires. The text displays in red and 
includes an Expired! message if the certificate has expired.

(icons)

Click the Edit icon to open a screen with an in-depth list of information about the 
certificate.
The ZyWALL keeps all of your certificates unless you specifically delete them. 
Uploading a new firmware or default configuration file does not delete your 
certificates.
Click the Delete icon to remove a certificate. A window displays asking you to 
confirm that you want to delete the certificates. Note that subsequent certificates 
move up by one when you take this action.

Import

Click Import to open a screen where you can save the certificate of a certification 
authority that you trust, from your computer to the ZyWALL.

Refresh

Click this button to display the current validity status of the certificates.

Table 223   Object > Certificate > Trusted Certificates (continued)