ZyXEL Communications NWA-3550, User Manual

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Chapter 18 Certificates
NWA-3500/NWA-3550 User’s Guide
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18.3 Trusted CAs Screen
Use this screen to view the list of trusted certificates. The NWA accepts any valid
certificate signed by a certification authority on this list as being trustworthy. You
do not need to import any certificate that is signed.
Click Certificates > Trusted CAs to open the Trusted CAs screen. The following
figure displays.
Figure 128 Certificates > Trusted CAs
The following table describes the labels in this screen.
Table 68 Trusted CAs
LABEL DESCRIPTION
PKI Storage
Space in Use This bar displays the percentage of the NWA’s PKI storage space that is
currently in use. When you are using 80% or less of the storage space,
the bar is green. When the amount of space used is over 80%, the bar
is red. 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.