Nginx 发布最新稳定版 1.2.5，下载地址： 

该版本改进记录包括：

*) Feature: the "optional_no_ca" parameter of the "ssl_verify_client" directive.

*) Feature: the $bytes_sent, $connection, and $connection_requests variables can now be used not only in the "log_format" directive.

*) Feature: resolver now randomly rotates addresses returned from cache.

*) Feature: the "auto" parameter of the "worker_processes" directive.

*) Bugfix: "cache file ... has md5 collision" alert.

*) Bugfix: OpenSSL 0.9.7 compatibility.