Changes with nginx 0.8.7 27 Jul 2009

*) Change: minimum supported OpenSSL version is 0.9.7.

*) Change: the "ask" parameter of the "ssl_verify_client" directive was
changed to the "optional" parameter and now it checks a client
certificate if it was offered.
Thanks to Brice Figureau.

*) Feature: the $ssl_client_verify variable.
Thanks to Brice Figureau.

*) Feature: the "ssl_crl" directive.
Thanks to Brice Figureau.

*) Feature: the "proxy" parameter of the "geo" directive.

*) Feature: the "image_filter" directive supports variables for setting
size.

*) Bugfix: the $ssl_client_cert variable usage corrupted memory; the
bug had appeared in 0.7.7.
Thanks to Sergey Zhuravlev.

*) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did
not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate",
"X-Accel-Buffering", and "X-Accel-Charset" lines from backend
response header.
Thanks to Maxim Dounin.

*) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend
response header lines; the bug had appeared in 0.7.44.
Thanks to Maxim Dounin.

*) Bugfix: the "[alert] zero size buf" error if subrequest returns an
empty response; the bug had appeared in 0.8.5.


--
Igor Sysoev
http://sysoev.ru/en/