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not support suexec. The patch also avoids printing the useless suexec path.     

Submitted by: fuankg
Reviewed  by: rpluem, trawick


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(backport from r789553).


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captures of THE_REQUEST are still escaped however the browser sent the request,
ulike most REQUEST_* variables.  PR#50758



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

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(tid 50767)


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ttl: note that connections are closed at some unspecified point
after reaching this limit



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Log something nicer than "Internal error: pcfg_openfile() called
with NULL filename" if no password file is configured

Submitted by: sf
Reviewed by: igalic, rpluem 


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*) suEXEC: Add Suexec directive to disable suEXEC without renaming the
   binary (Suexec Off), or force startup failure if suEXEC is required
   but not supported (Suexec On).

Submitted by: trawick
Reviewed by: covener, wrowe


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* Play safe if the notes table does not contain an SSL_connect_rv key.
Submitted by: rpluem
Reviewed by: rpluem, covener, sf


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back up individually if there's renewed interest.


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* Put a note in the connection notes that the SSL handshake to the backend
  failed such that mod_proxy can put the worker in error state.

PR: 50332
Submitted by: Daniel Ruggeri <DRuggeri primary.net>
Reviewed by: rpluem


* Fix r1039304 and make the patch similar to the one proposed for
  2.2.x: If the SSL handshake to the backend fails we cannot even
  sent an HTTP request. So the check needs to happen already when
  we sent data not when we receive data.

Reviewed by: rpluem, jim, wrowe


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       Allow the HTTP connection handling loop to terminate early 
            during a graceful restart.  PR 41743.
                 [Andrew Punch <andrew.punch 247realmedia.com>]



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