ZyXEL ZyWALL 5 User Guide - Page 420
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Chapter 20 Certificates Figure 244 SECURITY > CERTIFICATES > Trusted Remote Hosts The following table describes the labels in this screen. Table 122 SECURITY > CERTIFICATES > Trusted Remote Hosts 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. Issuer (My Default This field displays identifying information about the default self-signed certificate Self-signed on the ZyWALL that the ZyWALL uses to sign the trusted remote host certificates. Certificate) # 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. 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. 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 certificate. Note that subsequent certificates move up by one when you take this action. Import Click Import to open a screen where you can save the certificate of a remote host (which you trust) from your computer to the ZyWALL. Refresh Click this button to display the current validity status of the certificates. 420 ZyWALL 5/35/70 Series User's Guide