Red Hat CERTIFICATE SYSTEM 8 - AGENTS GUIDE Agents Manual page 79

Revoking Certificates
https://server.example.com:12889/agent/index.cgi
2. Click the List Certificates link.
3. All of the certificates which have been processed through the RA are listed.
4. Open the certificate to revoke by clicking its Serial# in the certificate list.
5. At the bottom of the certificate's details page, click the Revoke link.
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