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https://issues.apache.org/jira/browse/TS-2367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Feifei Cai updated TS-2367:
---------------------------

    Attachment: TS-2367.diff

proxy.config.ssl.stapling.enabled: Enable stapling of OCSP responses. Disabled 
by default.
proxy.config.ssl.stapling.cache_timeout: Number of seconds before an OCSP 
response expires in the stapling cache. 3600s (1 hour) by default.
proxy.config.ssl.stapling.request_timeout: Timeout for queries to OCSP 
responders. 10s by default.
proxy.config.ssl.stapling.update_period: Update period for stapling caches. 60s 
(1 min) by default.

When OCSP Stapling is enabled, ATS spawns a new thread to send OCSP request and 
get OCSP response. The response will be cached for 3600s(1 hour) in server. For 
details, the request has a timeout when try to connect to CA's OCSP responder, 
and it's 10s by default. ATS keeps checking for cached response with an update 
period.

In the SSL module, ATS does not send OCSP request in openssl's callback 
functions. It just try to get response from stapling caches. In this way, the 
connection won't hang ATS event system.

> Add OCSP (Online Certificate Status Protocol) Stapling Support 
> ---------------------------------------------------------------
>
>                 Key: TS-2367
>                 URL: https://issues.apache.org/jira/browse/TS-2367
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: HTTP, SSL
>            Reporter: Bryan Call
>            Assignee: Bryan Call
>             Fix For: 5.0.0
>
>         Attachments: TS-2367.diff, TS-2367.diff
>
>
> RFC:
> http://tools.ietf.org/html/rfc6066
> Overview:
> https://wiki.mozilla.org/Security/Server_Side_TLS#OCSP_Stapling
> http://en.wikipedia.org/wiki/OCSP_stapling
> There is support for this added into openssl 0.9.8g.



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