Fix segfault and log proper error message if apr DBM driver cannot be loaded.

PR: 51751
Reviewed by: sf, trawick, rpluem


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be explicit that REQUEST_URI is the path component only
(like r->uri)



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Prevent a crash if a non-existent internal RewriteMap is specified
in a server context with RewiteEngine off, then later referenced.

Submitted By: Ben Noordhuis
Reviewed By: covener, sf, trawick



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in the ProxyPass doc.


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Add MaxRanges directive and limit # of accepted ranges to 200 by default.

Submitted By: Eric Covener, Guenter Knauf
Reviewed By: covener, fuankg, sf



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Some LDAP servers (wrongly) return LDAP_CONSTRAINT_VIOLATION if a user is
locked due to too many password retries. This should not cause an internal
server error but be treated as "auth denied".

Submitted by: sf
Reviewed/backported by: jim



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Fix a timed out connection going into the keep-alive state after a timeout
when discarding a request body.

PR: 51103

Submitted by: sf
Reviewed/backported by: jim



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Stop compressing if we are doing a HEAD request and the content-length filter
can't determine the content-length anyway.

Submitted by: Ruediger Pluem

Submitted by: sf
Reviewed/backported by: jim



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    do not work for CGI, because headers_out are not populated. We need to use
    err_headers_out instead in this case. In trunk this is handled by ap_expr().
    Joe recently added fall back to err_headers_out to ap_expr and the proposed
    mod_filter patch is analogous to Joe's fix.
    The patch fixes the test suite failure for t/modules/filter.t.
    Trunk patch: http://svn.apache.org/viewvc?view=revision&revision=1090234
    2.2.x patch: http://people.apache.org/~rjung/patches/mod_filter-cgi-err_headers_out.patch
    +1: rjung, jorton, sf




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