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两年半了.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.Changes with nginx 0.8.49                                        09 Aug 2010

    *) Feature: the "image_filter_jpeg_quality" directive supports
       variables.

    *) Bugfix: a segmentation fault might occur in a worker process, if the
       $geoip_region_name variables was used; the bug had appeared in
       0.8.48.

    *) Bugfix: errors intercepted by error_page were cached only for next
       request; the bug had appeared in 0.8.48.

下载：
LINUX：http://nginx.org/download/nginx-0.8.49.tar.gz
WIN:http://nginx.org/download/nginx-0.8.49.zip