Changes with nginx 0.5.32 24 Sep 2007

*) Change: now nginx tries to set the "worker_priority", "worker_rlimit_nofile", "worker_rlimit_core", and "worker_rlimit_sigpending" without super-user privileges.

*) Change: now nginx escapes space and "%" in request to a mail proxy authentication server.

*) Change: now nginx escapes "%" in $memcached_key variable.

*) Change: the special make target "upgrade1" was defined for online upgrade of 0.1.x versions.

*) Feature: the "add_header Last-Modified ..." directive changes the "Last-Modified" response header line.

*) Feature: the mail proxy supports AUTHENTICATE in IMAP mode. Thanks to Maxim Dounin.

*) Feature: the mail proxy supports STARTTLS in SMTP mode. Thanks to Maxim Dounin.

*) Bugfix: nginx did not close directory file on HEAD request if autoindex was used. Thanks to Arkadiusz Patyk.

*) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives did not hide response header lines whose name was longer than 32 characters. Thanks to Manlio Perillo.

*) Bugfix: active connection counter always increased if mail proxy was used.

*) Bugfix: if backend returned response header only using non-buffered proxy, then nginx closed backend connection on timeout.

*) Bugfix: nginx did not support several "Connection" request header lines.

*) Bugfix: a charset set by the "charset" directive was not appended to the "Content-Type" header set by $r->send_http_header().

*) Bugfix: a segmentation fault might occur in worker process if /dev/poll method was used.

*) Bugfix: nginx did not work on FreeBSD/sparc64.

*) Bugfix: a segmentation fault occurred in worker process if invalid address was set in the "auth_http" directive.

*) Bugfix: now nginx uses default listen backlog value 511 on all platforms except FreeBSD. Thanks to Jiang Hong.

*) Bugfix: now Solaris sendfilev() is not used to transfer the client request body to FastCGI-server via the unix domain socket.

*) Bugfix: if the same host without specified port was used as backend for HTTP and HTTPS, then nginx used only one port - 80 or 443.

*) Bugfix: the "proxy_ignore_client_abort" and "fastcgi_ignore_client_abort" directives did not work; bug appeared in 0.5.13.