Trusted Ca Details - ZyXEL Communications ZYWALL 2 PLUS User Manual

Table 81 SECURITY > CERTIFICATES > Trusted CAs (continued)
LABEL
Issuer
Valid From
Valid To
CRL Issuer
Modify
Import
Refresh

15.11 Trusted CA Details

Click SECURITY > CERTIFICATES > Trusted CAs to open the Trusted CAs screen.
Click the details icon to open the Trusted CA Details screen. Use this screen to view in-depth
information about the certification authority's 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.
ZyWALL 2 Plus User's Guide
DESCRIPTION
This field displays identifying information about the certificate's issuing certification
authority, such as a common name, organizational unit or department,
organization or company and country. With self-signed certificates, this is the
same information as in the Subject field.
This field displays the date that the certificate becomes applicable. The text
displays in red and includes a Not Yet Valid! message if the certificate has not yet
become applicable.
This field displays the date that the certificate expires. The text displays in red and
includes an Expiring! or Expired! message if the certificate is about to expire or
has already expired.
This field displays Yes if the certification authority issues Certificate Revocation
Lists for the certificates that it has issued and you have selected the Issues
certificate revocation lists (CRL) check box in the certificate's details screen to
have the ZyWALL check the CRL before trusting any certificates issued by the
certification authority. Otherwise the field displays "No".
Click the details icon to open a screen with an in-depth list of information about the
certificate.
Use the export icon to save the certificate to a computer. Click the icon and then
Save in the File Download screen. The Save As screen opens, browse to the
location that you want to use and click Save.
Click the delete icon to remove the 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.
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.
Click this button to display the current validity status of the certificates.
Chapter 15 Certificates
289