Changes with nginx 0.6.23 27 Dec 2007

*) Change: the "off" parameter in the "ssl_session_cache" directive; now this is default parameter.

*) Change: the "open_file_cache_retest" directive was renamed to the "open_file_cache_valid".

*) Feature: the "open_file_cache_min_uses" directive.

*) Feature: the ngx_http_gzip_static_module.

*) Feature: the "gzip_disable" directive.

*) Feature: the "memcached_pass" directive may be used inside the "if" block.

*) Bugfix: a segmentation fault occurred in worker process, if the "memcached_pass" and "if" directives were used in the same location.

*) Bugfix: if a "satisfy_any on" directive was used and not all access and auth modules directives were set, then other given access and auth directives were not tested;

*) Bugfix: regex parameters in a "valid_referers" directive were not inherited from previous level.

*) Bugfix: a "post_action" directive did run if a request was completed with 499 status code.

*) Bugfix: optimization of 16K buffer usage in a SSL connection. Thanks to Ben Maurer.

*) Bugfix: the STARTTLS in SMTP mode did not work. Thanks to Oleg Motienko.

*) Bugfix: in HTTPS mode requests might fail with the "bad write retry" error; bug appeared in 0.5.13.