https://bz.apache.org/bugzilla/show_bug.cgi?id=57121

--- Comment #12 from Fabian Wenk <[email protected]> ---
(In reply to [email protected] from comment #11)
> Since I've been using the ocsp_proxy workaround and increased the timeout to
> 30 seconds with "SSLStaplingResponderTimeout 30", I've never had any issue,
> but this is just a workaround, and I don't see why this bug should not be
> fixed.

I have used below settings without ocsp_proxy for about 8 years without any
issues so far. They are based on
https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html

SSLUseStapling On
SSLStaplingCache "shmcb:/var/run/ssl_stapling(32768)"
SSLStaplingResponderTimeout 2
SSLStaplingReturnResponderErrors off
SSLStaplingFakeTryLater off
SSLStaplingStandardCacheTimeout 86400

If I remember correctly, the 'must staple' can not be activated, as there may
be cases when it won't return OCSP. I did monitor my server and have never seen
an outage so far. But I am using Let's Encrypt certificates on my servers, and
as they have turned off their OCSP responder it is gone now.

In my notes I still have a pending (but now obsolete) tasks to replace the
above 'SSLUseStapling' with 'MDStapleOthers' from mod_md (you do not need to
use ACME from it) as mention from Ruediger Pluem in comment #7. Back then I had
found some more details about this at
https://github.com/icing/mod_md#how-to-staple-all-my-certificates as well.
Maybe this is something which may work for you as well.

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