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SECURITY (CVE-2011-3368): Prevent unintended pattern expansion in some
reverse proxy configurations by strictly validating the request-URI:

* server/protocol.c (read_request_line): Send a 400 response if the
  request-URI does not match the grammar from RFC 2616.  This ensures
  the input string for RewriteRule et al really is an absolute path.

Reviewed by: jim, rjung, jorton


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directive and ap_set_accept_ranges() utility function.

With that 2.0.x should be on par with 2.2.x w.r.t.
Ranges.


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Added sort function to awk export script to eleminate
need for external sort; removed DAV import file and
generate it now at compile time from headers; moved
some link parameters from commandline to def file.


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strings were probably more accurate with the leading ^ anchor.


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changes.


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This was a forgotten prototype hanging around for close
to 11 years where no code for existed (see r85816);
now removed from all branches per wrowe's permission.


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(backport from r789553).


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