nginx（发音同engine x）是一款由俄罗斯程序员Igor Sysoev所开发轻量级的网页服务器、反向代理服务器以及电子邮件（IMAP/POP3）代理服务器。起初是供俄国大型的门户网站及搜索引擎 Rambler（俄语：Рамблер）使用。此软件BSD-like协议下发行，可以在UNIX、GNU/Linux、BSD、Mac OS X、Solaris，以及Microsoft Windows等操作系统中运行。http://nginx.org/download/nginx-1.0.1.tar.gz (linux)
http://nginx.org/download/nginx-1.0.1.zip (win)


Changes with nginx 1.0.1                                         03 May 2011

    *) Change: now the "split_clients" directive uses MurmurHash2 algorithm
       because of better distribution.
       Thanks to Oleg Mamontov.

    *) Change: now long strings starting with zero are not considered as
       false values.
       Thanks to Maxim Dounin.

    *) Change: now nginx uses a default listen backlog value 511 on Linux.

    *) Feature: the $upstream_... variables may be used in the SSI and perl
       modules.

    *) Bugfix: now nginx limits better disk cache size.
       Thanks to Oleg Mamontov.

    *) Bugfix: a segmentation fault might occur while parsing incorrect
       IPv4 address; the bug had appeared in 0.9.3.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built by gcc 4.6 without --with-debug
       option.

    *) Bugfix: nginx could not be built on Solaris 9 and earlier; the bug
       had appeared in 0.9.3.
       Thanks to Dagobert Michelsen.

    *) Bugfix: $request_time variable had invalid values if subrequests
       were used; the bug had appeared in 0.8.47.
       Thanks to Igor A. Valcov.