Forum Discussion
Nicolas_COLLET
Nimbostratus
Jun 15, 2016Troubleshooting OCSP Stapling & error : OCSP failure on profile
Hi,
We configure clientssl profile with ocsp stapling profile in BIG IP 11.6.1.
To configure this for a Thawte certificate, we used this documentation :
* SOL17111035: Configuring OCSP stapling
...
DenisG_22372
Jun 29, 2016Historic F5 Account
I had this same issue after upgrading my lab system to version 12. A bit of googling fond only this thread. A bit of backend searching found the solution is to change it to 7 days (in seconds) = 604800
Once I did that all is well again - Yahoo
According to following SOL article F5 now accepts new status age parameters: SOL16810: The Status Age parameter of the OCSP Stapling profile has new default value and acceptable range https://support.f5.com/kb/en-us/solutions/public/16000/800/sol16810.html?sr=50661207
Nicolas_COLLET
Nimbostratus
Jul 05, 2016Hi,
I find an another post in devcentral to takl about that :
https://devcentral.f5.com/questions/ocsp-stapling-37098
It's explain the same things.
I update status age to 7 days and it's working after that.
I open a support case and it's explain this :
"we've find out that the issue could be related to the 'status age' parameter in the OCSP_Stapling_Thawte profile set be default to 1 day (86400 seconds).
Mentioned errors found in the logs is produced when expired response is received from the OCSP responder.
Our recommendation for the moment is to set it to 7 days and perform test again."
And after :
"I think that key thing is how status_age parameter is used.
It's simply a mechanism by which the system can forcibly enforce a lifetime on responses, including those that omit the nextUpdate.
In fact OCSP implementations in other systems allows to disable the status_age parameter (but it's not allowed on F5).
Apache
https://httpd.apache.org/docs/trunk/mod/mod_ssl.htmlsslstaplingresponsemaxage
nginx
http://hg.nginx.org/nginx/file/973fded4f461/src/event/ngx_event_openssl_stapling.cl625
According to following SOL article F5 now accepts new status age parameters:
SOL16810: The Status Age parameter of the OCSP Stapling profile has new default value and acceptable range
https://support.f5.com/kb/en-us/solutions/public/16000/800/sol16810.html?sr=50661207
I think that best way to approach right now is to try reproduce the issue while performing a packet capture (to capture client, VIP, DNS resolver and OCSP responder traffic) with debugging option enabled on the BigIP side.
This would allow us to identify failing response.
Afterwards please consider applying workaround and increase the OCSP status age (while capturing data) parameter to see if the issue is still there."
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