Avoid segfault if url->hostname is NULL and filter->hostname is "*" or ".".
Found by clang.


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remove some dead code
found by clang statical analyzer


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

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

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

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Allow AP_SERVER_ADD_STRING to be more "easily" changed


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Further clarify the naming of the entity that originates the request by
calling that entity a useragent instead of a client.
Further clarify the naming of the entity that directly connects to us by
calling that entity a client instead of a peer.


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Explicitly cast function pointer, to remove 'const'.
Hopefully this makes the NetWare compiler happy.


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mod_slotmem_shm: Remove the colon syntax to indicate a relative path, and
make the relative path default behaviour. Remove the word "anonymous" as
a filename for special treatment, what used to be "anonymous" is now "none".

Submitted by: minfrin
Reviewed/backported by: jim


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logging adjustments:
- consistently call ssl_log_ssl_error after ap_log_error etc.
- ssl_init_ConfigureServer: add vhost_id to log message


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Streamline TLS session ticket key handling (added in r1200040):
- drop the SSLTicketKeyDefault directive, and only support a single
  ticket key per server/vhost
- rename the SSLTicketKeyFile directive to SSLSessionTicketKeyFile,
  remove the keyname parameter
- move ticket key parameters from SSLSrvConfigRec to modssl_ctx_t
- configure the tlsext_ticket_key_cb only when in server mode
- add documentation for SSLSessionTicketKeyFile


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Limit length of lines in .htaccess to 8K again, to reduce DoS potential.
Make ap_varbuf_cfg_getline() strictly enforce the max_len parameter.


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Fix names of unary operators like '-s' being compared case insensitively.
Improve error message if op or function is not found. Document '-s' operator.


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Various fixes for log message tags:

- Remove tags in ssl_log_ssl_error() and ssl_log_cert_error()
- Instead add tags to various ssl_log_xerror, ssl_log_cxerror
  calls (ssl_log_rxerror is unused).
- likewise for modssl_proxy_info_log()

- Fix spelling of APLOG_NOERRNO in coccinelle script
- add support for ssl_log_*error and ap_log_cserror

- add some more tags missing due to APLOG_NOERRNO spelling error

- Remove tags from example modules (we don't want people to blindly copy
  those)



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Remove usage of APLOG_NOERRNO. It has been a no-op since at least 2.0.x


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Remove unused variable



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Adjust the OpenSSL session id context for SNI configurations, so that
sessions are tied to the proper vhost (subset of a patch I originally
proposed in November 2009, cf. message with ID <4AF85A18.1000205@velox.ch>).


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Create initial documentation for mod_socache_shmcb, mod_socache_dc,
mod_socache_dbm and mod_socache_memcache.


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Create mod_cache.imp dynamically; fixed mod_cache_disk NLM name.


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mod_cache: Remove dead code from the legacy mod_mem_cache module.


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Overhaul the caching guide in an effort to clearly distinguish between
the mod_cache caching, the socache caching, and other caching we do, such
as mod_file_cache.


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