Nginx官方推荐：生产系统请使用0.6.34版！

刚在Nginx的官方维基上看到，最新的稳定版是0.6.34，并且下面还有一段话：

This version is best for production servers!
（生产系统适用的最佳版本！）

下面是更新日志：

Changes with nginx 0.6.34

• Change: now the EAGAIN error returned by connect() is not considered as temporary error.
• Change: now the "gzip_vary" directive turned on issues a "Vary: Accept-Encoding" header line for uncompressed responses too.
• Feature: the "expires" directive supports daily time.
• Feature: the "Expect" request header line support.

• Feature: now the "rewrite" directive does a redirect automatically if the "" protocol is used.

• Bugfix: the "listen" directive parameters such as "backlog", "rcvbuf", etc. were not set, if a default server was not the first one.
• Bugfix: the "log_not_found" directive did not work for index files tests.
• Bugfix: now if FastCGI server sends a "Location" header line without status line, then nginx uses 302 status code. Thanks to Maxim Dounin.
• Bugfix: the ngx_http_flv_module did not support several values in a query string.
• Bugfix: when a request to a directory was redirected with the slash added, nginx dropped a query string from the original request.

Changes with nginx 0.6.33

• Feature: now nginx returns the 405 status code for POST method requesting a static file only if the file exists.
• Workaround: compatibility with glibc 2.3. Thanks to Eric Benson and Maxim Dounin.
• Bugfix: the resolver did not understand big DNS responses. Thanks to Zyb.
• Bugfix: in HTTPS mode requests might fail with the "bad write retry" error.
• Bugfix: the ngx_http_charset_module did not understand quoted charset name received from backend.
• Bugfix: if the "max_fails=0" parameter was used in upstream with several servers, then a worker process exited on a SIGFPE signal. Thanks to Maxim Dounin.

• Bugfix: the $r->header_in() method did not return value of the "Host", "User-Agent", and "Connection" request header lines; the bug had appeared in 0.6.32.

• Bugfix: a full response was returned for request method HEAD while redirection via an "error_page" directive.
• Bugfix: if a directory has search only rights and the first index file was absent, then nginx returned the 500 status code.
• Bugfix: of recursive error_page for 500 status code.

Changes with nginx 0.6.32

• Change: the "none" parameter in the "ssl_session_cache" directive; now this is default parameter. Thanks to Rob Mueller.
• Change: now the 0x00-0x1F, '"' and '\' characters are escaped as \xXX in an access_log. Thanks to Maxim Dounin.
• Change: now nginx allows several "Host" request header line.
• Feature: the "modified" flag in the "expires" directive.
• Feature: the $uid_got and $uid_set variables may be used at any request processing stage.
• Feature: the $hostname variable. Thanks to Andrei Nigmatulin.
• Feature: DESTDIR support. Thanks to Todd A. Fisher and Andras Voroskoi.
• Bugfix: if sub_filter and SSI were used together, then responses might were transferred incorrectly.
• Bugfix: large SSI inclusions might be truncated.
• Bugfix: the "proxy_pass" directive did not work with the HTTPS protocol; the bug had appeared in 0.6.9.
• Bugfix: worker processes might not catch reconfiguration and log rotation signals.
• Bugfix: nginx could not be built on latest Fedora 9 Linux. Thanks to Roxis.
• Bugfix: a segmentation fault might occur in worker process on Linux, if keepalive was enabled.

Changes with nginx 0.6.31

• Bugfix: nginx did not process FastCGI response if header was at the end of FastCGI record; bug appeared in 0.6.2. Thanks to Sergey Serov.
• Bugfix: a segmentation fault might occur in worker process if a file was deleted and the "open_file_cache_errors" directive was off.

Changes with nginx 0.6.30

• Change: now if an "include" directive pattern does not match any file, then nginx does not issue an error.
• Feature: now the time in directives may be specified without spaces, for example, "1h50m".
• Bugfix: memory leaks if the "ssl_verify_client" directive was on. Thanks to Chavelle Vincent.
• Bugfix: the "sub_filter" directive might set text to change into output.
• Bugfix: the "error_page" directive did not take into account arguments in redirected URI.
• Bugfix: now nginx always opens files in binary mode under Cygwin.
• Bugfix: nginx could not be built on OpenBSD; bug appeared in 0.6.15.