Administrator Guide

Certificate Revocation Lists
This section provides the following information:
l About Certificate Revocation Lists
l Adding a Certificate Revocation List
l Deleting a Certificate Revocation List
About Certificate Revocation Lists
A Certificate Revocation List (CRL) is a list of digital certificates that have been revoked by the issuing Certificate
Authority (CA) before their scheduled expiration date and should no longer be trusted.
CRLs are a type of blacklist and are used by various endpoints, including Web browsers, to verify whether a
certificate is valid and trustworthy.
Digital certificates are used in the encryption process to secure communications, most often by using the
TLS/SSL protocol. The certificate, which is signed by the issuing Certificate Authority, also provides proof of the
identity of the certificate owner.
Adding a Certificate Revocation List
To add a certificate revocation list:
1. Navigate to Administration > Certificates > Revocation Lists.
The Certificate Revocation Lists page opens:
Figure 639: Certificate Revocation Lists Page
2. Click the Add link on the top right section of the page.
The Add Certificate Revocation List dialog opens:
Figure 640: Add Certificate Revocation List Dialog
3. Configure the Add Certificate Revocation List parameters as described in Table 348, then click Save.
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