ZyXEL Communications NBG410W3G - Manual (Page 210)

Chapter 11 Certificates
NBG410W3G Series User’s Guide
210
Figure 128 SECURITY > CERTIFICATES > Trusted CAs
The following table describes the labels in this screen.
Table 57 SECURITY > CERTIFICATES > Trusted CAs
LABEL DESCRIPTION
PKI Storage
Space in Use
This bar displays the percentage of the ZyXEL Device’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 CRL (Certificate
Revocation Lists) for the certificates that it has issued and you have selected the
Check incoming certificates issued by this CA against a CRL check box in the
certificate’s details screen to have the ZyXEL Device check the CRL before
trusting any certificates issued by the certification authority. Otherwise the field
displays No.