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 0.8.43 30 Jun 2010

*) Feature: large geo ranges base loading speed-up.

*) Bugfix: an error_page redirection to “location /zero { return 204;
}” without changing status code kept the error body; the bug had
appeared in 0.8.42.

*) Bugfix: nginx might close IPv6 listen socket during
reconfiguration.
Thanks to Maxim Dounin.

*) Bugfix: the $uid_set variable may be used at any request processing
stage.

Nginx所有版本下载地址： http://www.ha97.com/nginx_download