Chapter 15 Certificates

Figure 205 SECURITY > CERTIFICATES > Trusted CAs

The following table describes the labels in this screen.

Table 83 SECURITY > CERTIFICATES > Trusted CAs

LABEL

DESCRIPTION

PKI Storage

This bar displays the percentage of the ZyWALL’s PKI storage space that is

Space in Use

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 ZyWALL check the CRL before trusting any

 

certificates issued by the certification authority. Otherwise the field displays No.

 

 

Modify

Click the details icon to open a screen with an in-depth list of information about the

 

certificate.

 

Use the export icon to save the certificate to a computer. Click the icon and then

 

Save in the File Download screen. The Save As screen opens, browse to the

 

location that you want to use and click Save.

 

Click the delete icon to remove the certificate. A window displays asking you to

 

confirm that you want to delete the certificates. Note that subsequent certificates

 

move up by one when you take this action.

 

 

 

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ZyWALL 2 Plus User’s Guide