ZyXEL ZyWALL 5 User Guide - Page 414
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Chapter 20 Certificates Figure 241 SECURITY > CERTIFICATES > Trusted CAs The following table describes the labels in this screen. Table 119 SECURITY > CERTIFICATES > Trusted CAs LABEL DESCRIPTION PKI Storage Space in Use This bar displays the percentage of the ZyWALL's PKI storage space that is 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. 414 ZyWALL 5/35/70 Series User's Guide
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