ZyXEL Communications 5 Series - Manual (Page 377)

ZyWALL 5/35/70 Series User’s Guide
Chapter 19 Certificates 377
Figure 200 SECURITY > CERTIFICATES > Trusted CAs
The following table describes the labels in this screen.
Table 110 SECURITY > CERTIFICATES > Trusted CAs
LABEL DESCRIPTION
PKI Storage
Space in Use This bar displays the percentage of the ZyWALL’s PKI storage space that is
currently in use. When the storage space is almost full, you should consider
deleting expired or unnecessary certificates before adding more certificates.
# This field displays the certificate index number. The certificates are listed in
alphabetical order.
Name This field displays the name used to identify this certificate.
Subject This field displays identifying information about the certificate’s owner, such as CN
(Common Name), OU (Organizational Unit or department), O (Organization or
company) and C (Country). It is recommended that each certificate have unique
subject information.
Issuer 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.
Valid From 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.
Valid To 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.
CRL Issuer 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”.