ZyXEL Communications ZyXEL ZyAIR NWA-3500 - Manual (Page 175)

Chapter 14 Certificates
ZyXEL NWA-3500 User’s Guide
175
The following table describes the labels in this screen.
14.11 Importing a Trusted CA’s Certificate
Click CERTIFICATES >Trusted CAs to open the Trusted CAs screen and then click
Import to open the Trusted CA Import screen. Follow the instructions in this screen to save
a trusted certification authority’s certificate to the ZyXEL Device, see the following figure.
Table 60 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 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.
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 ZyXEL Device check the CRL before trusting any certificates issued by
the certification authority. Otherwise the field displays “No”.
Details Click Details to view in-depth information about the certification authority’s
certificate, change the certificate’s name and set whether or not you want the
ZyXEL Device to check a certification authority’s list of revoked certificates before
trusting a certificate issued by the certification authority.
Import Click Import to open a screen where you can save the certificate of a certification
authority that you trust, from your computer to the ZyXEL Device.
Delete Click Delete to delete an existing certificate. A window display asking you to
confirm that you want to delete the certificate. Note that subsequent certificates
move up by one when you take this action.
Refresh Click this button to display the current validity status of the certificates.