User's Manual

Chapter 15 Certificates
P-2612HW Series User’s Guide
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trustworthy; thus you do not need to import any certificate that is signed by one
of these certification authorities.
Figure 179 Security > Certificates > Trusted CAs
The following table describes the labels in this screen.
Table 99 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. The bar turns from blue to red when the
maximum is being approached. When the bar is red, 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.