core: Disallow Methods' registration at run time (.htaccess), they may be
used only if registered at init time (httpd.conf).

Calling ap_method_register() in children processes is not the right scope
since it won't be shared for all requests.

Reviewed by: ylavic, covener, icing


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Follow up to r1739201.
These APR_TIMEUP special cases are now handled by ap_map_http_request_error().

Reviewed by: jailletc36, jim, covener


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mod_ssl: we can't use SSL_COMP_free_compression_methods() if OPENSSL_NO_COMP
is defined.  PR 61206.

Submitted by: Michael Schlenker <msc contact.de>


mod_ssl, ab: compatibility with LibreSSL.  PR 61184.

LibreSSL defines OPENSSL_VERSION_NUMBER = 2.0, but is not compatible with
all of the latest OpenSSL 1.1 API.

Address this by defining MODSSL_USE_OPENSSL_PRE_1_1_API which is true for
anything but OpenSSL >= 1.1 (for now).

Proposed by: Bernard Spil <brnrd freebsd.org>
Reviewed by: ylavic


Follow up to r1803396: CHANGES entry.


Reviewed by: ylavic, jim, covener


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 Support use of optional "tag" in syslog entries. Streamline the patch.
 PR 60525.

Submitted by: jim
Reviewed by: rpluem, jim, mrumph


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https://apache.org/foundation/press/kit/ApacheFoundation_StyleGuide.pdf

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Fix ProxyAddHeaders merging.

* modules/proxy/mod_proxy.h:
  Add add_forwarded_headers_set field to proxy_dir_conf.

* modules/proxy/mod_proxy.c (create_proxy_dir_config):
  Initialize add_forwarded_headers_set.
  (add_proxy_http_headers): Set it.
  (merge_proxy_dir_config): Merge add_forwarded_headers correctly.

Reviewed by: jorton, rpluem, jim


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weekend.



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Save a few bytes in conf pool when processing 'Define'.

+ some minor style issues
+ split long lines

Be explicit and safe (const) with the strings stored in ap_server_config_defines.

Follow up to r1713043.


ap_server_config_defines and ap_server_{pre,post}_read_config are arrays of
*const* strings (must not change after being inserted), make it explicit.


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


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prefork: Ignore SIGINT in child. This fixes race-condition in signals handling
when httpd is runnning on foreground and user hits ctrl+c. In this case, SIGINT
is sent to all children followed by SIGTERM from the main process, which
interrupts the SIGINT handler and leads to inconsistency (process freezes
or crashes).

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


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core: Disallow multiple Listen on the same IP:port when listener buckets
are configured (ListenCoresBucketsRatio > 0), consistently with the single
bucket case (default), thus fixing the leak of the corresponding socket
descriptors on graceful restart.



Follow up to r1789220.
Document the implicit behaviour of ListenCoresBucketsRatio when multiple
Listen-ers are configured on the same IP:port.


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


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