ZyXEL p-2802h-i1 Guia Do Utilizador

Chapter 15 Certificates

P-2802H(W)(L)-I Series User’s Guide

Figure 123   Trusted CAs

The following table describes the labels in this screen. 

Table 88   Trusted CAs

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.

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”.