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From Osama Elnaggar <>
Subject Re: [users@httpd] Logging SSL Handshake Duration
Date Wed, 15 Nov 2017 18:41:35 GMT
Hi Timo,

>From what you described, your problem may be related to OCSP.  Have you
tried OCSP stapling?

Osama Elnaggar

On November 15, 2017 at 9:26:29 PM, Timo Coutura ( wrote:

Hi Everyone,

I am looking for a way to determine the time spent on a SSL Handshake in an
access log. So far i’ve discovered only env-vars and log formats (like %D)
returning the overall time spent on a request. The background here is that
i sometimes get requests which take up to 10 seconds, all of them being
initial requests, so the handshake has to be done. The actual request to
the application gets independently logged and does take some milliseconds.

I have enabled ssl logging on debug level but cannot specifically reproduce
these kind of requests and parsing this debug log for time spent for the
handshake is not an option on the very busy production server.

Are there any env-vars that provide more specific information on time spent
in the different phases of a request?

Thank you very much in advance!

Best regards,
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