nginx 0.8.25 发布

nginx（发音同 engine x）是一款轻量级的Web 服务器／反向代理服务器及电子邮件（IMAP/POP3）代理服务器，并在一个BSD-like 协议下发行。由俄罗斯的程序设计师Igor Sysoev所开发，最初供俄国大型的入口网站及搜寻引擎Rambler（俄文：Рамблер）使用。  其特点是占有内存少，并发能力强，事实上nginx的并发能力确实在同类型的网页伺服器中表现较好.
目前中国大陆使用nginx网站用户有：新浪、网易、腾讯,另外知名的微网志Plurk也使用nginx。

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Changes with nginx 0.8.25 16 Nov 2009

*) Change: now no message is written in an error log if a variable is
not found by $r->variable() method.

*) Feature: the ngx_http_degradation_module.

*) Feature: regular expression named captures.

*) Feature: now URI part is not required a "proxy_pass" directive if
variables are used.

*) Feature: now the "msie_padding" directive works for Chrome too.

*) Bugfix: a segmentation fault occurred in a worker process on low
memory condition; the bug had appeared in 0.8.18.

*) Bugfix: nginx sent gzipped responses to clients those do not support
gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
in 0.8.16.