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* Prevent redirect loops between workers within a balancer by limiting the
  number of redirects to the number balancer members.

PR: 59864

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


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* Do not overwrite r->status with access_status if access_status is OK or DONE
  as in this case r->status might contain the true response code.

PR: 59869

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


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mod_dav: Add dav_begin_multistatus, dav_send_one_response,
dav_finish_multistatus, dav_send_multistatus, dav_handle_err, 
dav_failed_proppatch, dav_success_proppatch to mod_dav.h.

Submitted by: minfrin
Reviewed by: minfrin, jim, ylavic


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mod_dav: Add support for childtags to dav_error.

Submitted by: minfrin
Reviewed by: minfrin, jim, ylavic


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httpoxy workarounds, first draft patch as published for all 2.2.x+ sources

Optimization to httpoxy workaround, for 2.4.23+ only.

Submitted by: Dominic Scheirlinck <dominic vendhq.com>, ylavic
Reviewed/backported by: wrowe, jim, ylavic


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Unclear whether fdpass is common enough to justify a 'most' configuration,
but for the time being, assign it -something- for a build priority.


Submitted by: wrowe
Reviewed/backported by: jim


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PR59815: rewrite per-directory + fcgi broken in 2.4.23

remove the query string from r->filename before calculating environment
(SCRIPT_FILENAME) in mod_proxy_fcgi.  Before PR59618, php-fpm would
see proxy:fcgi:// and do some of this same stripping.




Submitted by: covener
Reviewed/backported by: jim


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Permit mod_proxy_hcheck.c to compile on Win32 32-bit architectures.
This decoration is required for all apr_thread fn() entry points,
at least on some platforms.


Submitted by: wrowe
Reviewed/backported by: jim


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The only uncommented change is application/x-woff -> application/woff
which was added for PR55293 by r1506674 in mid 2013.



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Tested manually and verified httpd's mod_proxy_fcgi logs with various request types 
(with/without query string, long query strings, etc..). 
My only doubt was related to the '\0' terminator placed in the middle of the char array,
but after a chat with Eric on IRC I got a clear view of what happens (only the chars up
to the \0 terminator are placed in FCGI headers later on). 
Last but not the least, in the bugzilla ticket the original requestor tested the change
and stated that solved his problem. Looks good to me for backport!



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