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Back to Table of Contents
Back to CLI Configure Mode
Back to Profiles - CLI
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The Online Certificate Status Protocol (OCSP) enables
applications to determine the revocation status of a given certificate. OCSP is used to satisfy some of the operational requirements of providing timely revocation information.The user may create one OCSP profile specifying the OCSP capabilities listed below, and protocol parameters applying to one or more TLS connections that use the profile (a SIP/TLS connection may reference an OCSP profile in its assigned TLS profile).
- OCSP capability: enabled/disabled (default: disabled)
- Primary responder URI
- IPv4 address and port number, or
- FQDN
- Priority of URI for the responder:
The user can specify one of the following priority orders in contacting the OCSP service:If aiaOverride parameter is enabled, default OCSP responder configured is used.
if aiaOverride parameter is disabled and certificate contains AIA field, it is used.
If certificate does not contain AIA field, it falls back on the default responder conffgured.
If the corresponding OCSP response does not return before the time expires after sending an OCSP request, the response is considered unavailable. The range is configurable to 1-16 seconds, with a default of 2 seconds.
When configuring an OCSP profile, take note of the following:
The
supports OCSP stapling, which means the client does not need to query the OCSP responder to retrieve the certificate status. OCSP stapling allows you to provide the validity information of your security certificate. Refer to SIP Profiles for more information.When OCSP is enabled for a TLS connection, every individual certificate in the chain presented by the peer device during the establishment of the connection is validated against an OCSP responder for its revocation status.
When the
is upgraded from a release which already supports OCSP, all the parameter values of existing OCSP profiles are retained after the upgrade completes.OCSP support involves configuring OCSP profile and then assigning the OCSP profile name to both a TLS Profile and EMA TLS Profile. Also available is the ability to monitor and reset OCSP statistics.
CLI Syntax
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% set profiles security ocspProfile <profile name>
aiaOverride <disabled | enabled>
ocspStapling <disabled | enabled>
defaultResponder <URL>
responseWaitTime <1-16 seconds>
ocspResponseCachingTimer <1-30>
state <disabled | enabled>
% show profiles security ocspProfile <profile name>
aiaOverride |
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ocspStapling
defaultResponder
responseWaitTime |
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ocspResponseCachingTimer
state
% delete profiles security ocspProfile <profile name> |
CLI Parameters
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Parameter | Length/Range | Default | Description |
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ocspProfile | 1-23 | N/A | The name of the OCSP profile. | aiaOverride | N/A | disabled | Enable flag to override OCSP responder specified in certificate's AIA. disabled (default)enabled
| ocspStapling | N/A | disabled | Use this flag to enable or disable OCSP stapling. OCSP stapling allows you to provide the validity information of your security certificate. disabled (default)enabled
The disables this flag if the ocspProfile state flag is disabled . | defaultResponder | N/A | N/A | Enter default OCSP responder URL: IPv4 address or FQDN. | responseWaitTime | 1-16 | 2 | OCSP response waiting time, in seconds. If response is not received within this period, the response is considered unavailable. | ocspResponseCachingTimer | 1-30 | 1 | <1-30> - Configure this parameter with the timer (in days) for the OCSP response caching.The deletes the OCSP cached response when this timer expires. | state | N/A | disabled | The administration state of this OCSP profile. disabled (default)enabled
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CLI Example
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% set profiles security ocspProfile myOcspProfile aiaOverride disabled ocspStapling enabled defaultResponder http://ocsp.verisign.com; responseWaitTime 3 ocspResponseCachingTimer 3 state enabled
% show profiles security ocspProfile myOcspProfile
state enabled;
defaultResponder http://ocsp.verisign.com;
aiaOverride disabled;
ocspStapling enabled;
responseWaitTime 3;
ocspResponseCachingTimer 3; |