Setting the Certificate Revocation List (CRL) Configuration
A CRL (certificate revocation list) is a
list of revoked certificates that are no longer valid. A certificate can be revoked
if the CA (certificate
authority) has improperly issued a certificate, or if a private key is
compromised. The most common reason for revocation is that the user is no longer in
sole possession of the private key.
To define a certificate revocation configuration or override:
-
Select from the web UI.
-
Expand the Security menu and select
Certificate Revocation.
Profile Security - Certificate Revocation List
(CRL) Update Interval Screen
-
Click + Add Row, in the
Certificate
Revocation List (CRL) Update Interval table to quarantine
certificates from use in the network.
Additionally, a certificate can be placed on hold for a
user defined period. If, for instance, a private key was found and nobody had
access to it, its status could be reinstated.
-
In the Trustpoint
Name field, provide the name of the trustpoint in
question.
The name cannot exceed
32 characters.
-
In the URL field,
enter the third-party resource ensuring the trustpoint's
legitimacy.
-
Use the spinner control
to specify an interval (in hours) after which a device copies a CRL file
from an external server and associates it with a trustpoint.
-
Click OK to save the
changes or overrides to the Certificate
Revocation screen.
Click Reset to revert
to the last saved configuration.
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