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* modules/ssl/ssl_engine_init.c (ssl_init_Module): Don't enable SSL
  for a vhost if SSLEnable is not used and no certs are configured,
  even if the Listen protocol is "https".  Restores behaviour to that
  prior to r1809303 for configs which would now otherwise fail at
  startup.

Submitted by: jorton
Reviewed by: jorton, jim, ylavic


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if the ErrorLog directive is configured with the 'syslog' prefix. PR 62102

trunk patch: none, as far as I can see the code in trunk diverged too much
          due to the code in STALLED for ap_errorlog_provider.
 
Submitted by: elukey, jhriggs, jailletc36
Reviewed by: elukey, jhriggs, ylavic


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core: Avoid a compiler warning when NO_LINGCLOSE is used (-Wunreachable-code).
Also, check c->aborted before apr_socket_shutdown() because it is set earlier,
and there is no point in calling shutdown() before close().


mod_ldap: fix format warnings.


Submitted by: ylavic
Reviewed by: jailletc36, jim, ylavic


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Instrument 'bbout'


mod_http2: use proper ARP defined for formatting apr_off_t


On the trunk:

mod_http2: on level trace2, log any unsuccessful HTTP/2 direct connection upgrade
     with base64 encoding to unify its appearance in possible bug reports.


On the trunk:

* mod_http2: calculate unencrypted connection sniffing base64 only when log level is at required height. [Ruediger Pluem]


On the trunk:

mod_http2: accurate reporting of h2 data input/output per request via mod_logio. Fixes
     an issue where output sizes where counted n-times on reused slave connections. See
     gituhub issue: https://github.com/icing/mod_h2/issues/158


Submitted by: jailletc36, icing, icing, icing, icing
Reviewed by: icing, jim, ylavic


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On the trunk:

mod_http2: always wake up any conditional waits when streams are aborted. Fixes race conditions where timeouts would trigger instead.

Submitted by: icing
Reviewed by: icing, jim, ylavic


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* When mod_http2 is loaded more then ThreadsPerChild backend connections can
  be useful as mod_http2 has an additional thread pool on top of
  ThreadsPerChild.
  But leave the default with ThreadsPerChild.


* Add some some comment why we do not limit hmax any longer


mod_proxy: follow up to r1822849.

Get the help(er) of mod_http2 to determine how much connections should
be handled in the reslist by default (i.e. max_threads).


mod_proxy: follow up to r1822849 and r1822878.

Does r1822878's "static" APR_RETRIEVE_OPTIONAL_FN work if, say, mod_proxy is
builtin but mod_http2 isn't?

Not worth taking the risk here since it's not a fast path...

Note: if this is an issue, I'm afraid it applies elsewhere too.


mod_proxy: follow up to r1822849 and r1822879.

Fix my maths, thanks Stefan and Rüdiger!


needs mod_http2.h


* Add missing CHANGES entry for revisions 1822849,1822858,1822878,1822879,1822883,1828485


Submitted by: rpluem, ylavic, ylavic, ylavic, gsmith, rpluem
Reviewed by: rpluem, jim, ylavic


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The SSLRandomSeed  builtin, uses 128 bytes of stack, not 1kb of scoreboard data.
(r1832346 in trunk)

See PR 54752

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backport r1817908 which fixes some example (see PR 61650) + make some cosmetic changes (r1832294 in trunk)

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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr> 


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