Nginx(engine x)是一个高性能的HTTP和反向代理服务器,也是一个IMAP/POP3/SMTP代理服务器. Nginx是由Igor Sysoev为俄罗斯访问量第二的Rambler.ru站点开发的,它已经在该站点运行超过三年了.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web服务器中表现最好。目前中国大陆使用Nginx网站用户有：新浪、网易、腾讯、豆瓣——本站也是 Nginx的用户与坚定fans！
Changes with nginx 0.8.44 05 Jul 2010
*) Change: now nginx does not cache by default backend responses, if
they have a “Set-Cookie” header line.
*) Feature: the “listen” directive supports the “setfib” parameter.
Thanks to Andrew Filonov.
*) Bugfix: the “sub_filter” directive might change character case on
partial match.
*) Bugfix: compatibility with HP/UX.
*) Bugfix: compatibility with AIX xcl_r compiler.
*) Bugfix: nginx treated a large SSLv2 packets as plain requests.
Thanks to Miroslaw Jaworski.
Nginx所有版本下载地址： http://www.macd11.com/nginx_download
