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。下载：
http://nginx.org/download/nginx-1.0.11.tar.gz (linux)
http://nginx.org/download/nginx-1.0.11.zip (win)

Changes with nginx 1.0.11                                        15 Dec 2011

    *) Change: now double quotes are encoded in an "echo" SSI-command
       output.
       Thanks to Zaur Abasmirzoev.

    *) Feature: the "image_filter_sharpen" directive.

    *) Bugfix: a segmentation fault might occur in a worker process if SNI
       was used; the bug had appeared in 1.0.9.

    *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the
       bug had appeared in 1.0.9.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
       header lines might be passed to backend while caching; or not passed
       without caching if caching was enabled in another part of the
       configuration.

    *) Bugfix: in the "scgi_param" directive, if complex parameters were
       used.

    *) Bugfix: "add_header" and "expires" directives did not work if a
       request was proxied and response status code was 206.

    *) Bugfix: in the "expires @time" directive.

    *) Bugfix: in the ngx_http_flv_module.
       Thanks to Piotr Sikora.

    *) Bugfix: in the ngx_http_mp4_module.

    *) Bugfix: nginx could not be built on FreeBSD 10.

    *) Bugfix: nginx could not be built on AIX.