Changes with nginx 0.6.39 14 Sep 2009 *) Security: a segmentation fault might occur in worker process while specially crafted request handling. Thanks to Chris Ries. *) Bugfix: a segmentation fault might occur in worker process, if error_log was set to info or debug level. Thanks to Sergey Bochenkov. Changes with nginx 0.6.38 22 Jun 2009 *) Feature: the "keepalive_requests" directive. Changes with nginx 0.6.37 18 May 2009 *) Feature: Microsoft specific "AUTH LOGIN with User Name" mode support in mail proxy server. Thanks to Maxim Dounin. *) Bugfix: nginx could not be built on platforms different from i386, amd64, sparc, and ppc; the bug had appeared in 0.6.36. Changes with nginx 0.6.36 02 Apr 2009 *) Change: now the "Invalid argument" error returned by setsockopt(TCP_NODELAY) on Solaris, is ignored. *) Change: now POSTs without "Content-Length" header line are allowed. *) Feature: the "try_files" directive. *) Feature: the --with-pcre option in the configure. *) Feature: the "if_modified_since" directive. *) Feature: the "$cookie_..." variables. *) Feature: the "$arg_..." variables. *) Bugfix: compatibility with Tru64 UNIX. Thanks to Dustin Marquess. *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for asymmetric ciphers. Thanks to Marcin Gozdalik. *) Bugfix: in a redirect rewrite directive original arguments were concatenated with new arguments by a "?" rather than an "&"; the bug had appeared in 0.1.18. Thanks to Maxim Dounin. *) Bugfix: nginx could not be built on AIX. *) Bugfix: a double response might be returned if the epoll or rtsig methods are used and a redirect was returned to a request with body. Thanks to Eden Li. *) Bugfix: a segmentation fault might occur in worker process if "resolver" directive was used in SMTP proxy. *) Bugfix: fastcgi_store stored files not always. *) Bugfix: nginx did not process a FastCGI server response, if the server send too many messages to stderr before response. Changes with nginx 0.6.35 26 Jan 2009 *) Bugfix: in shared memory allocations if nginx was built without debugging. Thanks to Andrey Kvasov. *) Bugfixes in an "Expect" request header line support. *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module. Changes with nginx 0.6.34 27 Nov 2008 *) 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 "https://" 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 20 Nov 2008 *) 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 07 Jul 2008 *) 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 12 May 2008 *) Bugfix: nginx did not process FastCGI response if header was at the end of FastCGI record; the bug had 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 29 Apr 2008 *) 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; the bug had appeared in 0.6.15. Changes with nginx 0.6.29 18 Mar 2008 *) Feature: the ngx_google_perftools_module. *) Bugfix: the ngx_http_perl_module could not be built on 64-bit platforms; the bug had appeared in 0.6.27. Changes with nginx 0.6.28 13 Mar 2008 *) Bugfix: the rtsig method could not be built; the bug had appeared in 0.6.27. Changes with nginx 0.6.27 12 Mar 2008 *) Change: now by default the rtsig method is not built on Linux 2.6.18+. *) Change: now a request method is not changed while redirection to a named location via an "error_page" directive. *) Feature: the "resolver" and "resolver_timeout" directives in SMTP proxy. *) Feature: the "post_action" directive supports named locations. *) Bugfix: a segmentation fault occurred in worker process, if a request was redirected from proxy, FastCGI, or memcached location to static named locations. *) Bugfix: browsers did not repeat SSL handshake if there is no valid client certificate in first handshake. Thanks to Alexander V. Inyukhin. *) Bugfix: if response code 495-497 was redirected via an "error_page" directive without code change, then nginx tried to allocate too many memory. *) Bugfix: memory leak in long-lived non buffered connections. *) Bugfix: memory leak in resolver. *) Bugfix: a segmentation fault occurred in worker process, if a request was redirected from proxy, FastCGI, or memcached location to static named locations. *) Bugfix: in the $proxy_host and $proxy_port variables caching. Thanks to Sergey Bochenkov. *) Bugfix: a "proxy_pass" directive with variables used incorrectly the same port as in another "proxy_pass" directive with the same host name and without variables. Thanks to Sergey Bochenkov. *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some 64-bit platforms while reconfiguration. *) Bugfix: a segmentation fault occurred in worker process, if empty stub block was used second time in SSI. *) Bugfix: in copying URI part contained escaped symbols into arguments. Changes with nginx 0.6.26 11 Feb 2008 *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not check a response length. *) Bugfix: a segmentation fault occurred in worker process, if big value was used in a "expires" directive. Thanks to Joaquin Cuenca Abela. *) Bugfix: nginx incorrectly detected cache line size on Pentium 4. Thanks to Gena Makhomed. *) Bugfix: in proxied or FastCGI subrequests a client original method was used instead of the GET method. *) Bugfix: socket leak in HTTPS mode if deferred accept was used. Thanks to Ben Maurer. *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed (SSL: )"; the bug had appeared in 0.6.23. *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" error; the bug had appeared in 0.6.23. Changes with nginx 0.6.25 08 Jan 2008 *) Change: now the "server_name_in_redirect" directive is used instead of the "server_name" directive's special "*" parameter. *) Change: now wildcard and regex names can be used as main name in a "server_name" directive. *) Change: the "satisfy_any" directive was replaced by the "satisfy" directive. *) Workaround: old worker processes might hog CPU after reconfiguration if they was run under Linux OpenVZ. *) Feature: the "min_delete_depth" directive. *) Bugfix: the COPY and MOVE methods did not work with single files. *) Bugfix: the ngx_http_gzip_static_module did not allow the ngx_http_dav_module to work; the bug had appeared in 0.6.23. *) Bugfix: socket leak in HTTPS mode if deferred accept was used. Thanks to Ben Maurer. *) Bugfix: nginx could not be built without PCRE library; the bug had appeared in 0.6.23. Changes with nginx 0.6.24 27 Dec 2007 *) Bugfix: a segmentation fault might occur in worker process if HTTPS was used; the bug had appeared in 0.6.23. Changes with nginx 0.6.23 27 Dec 2007 *) Change: the "off" parameter in the "ssl_session_cache" directive; now this is default parameter. *) Change: the "open_file_cache_retest" directive was renamed to the "open_file_cache_valid". *) Feature: the "open_file_cache_min_uses" directive. *) Feature: the ngx_http_gzip_static_module. *) Feature: the "gzip_disable" directive. *) Feature: the "memcached_pass" directive may be used inside the "if" block. *) Bugfix: a segmentation fault occurred in worker process, if the "memcached_pass" and "if" directives were used in the same location. *) Bugfix: if a "satisfy_any on" directive was used and not all access and auth modules directives were set, then other given access and auth directives were not tested; *) Bugfix: regex parameters in a "valid_referers" directive were not inherited from previous level. *) Bugfix: a "post_action" directive did run if a request was completed with 499 status code. *) Bugfix: optimization of 16K buffer usage in a SSL connection. Thanks to Ben Maurer. *) Bugfix: the STARTTLS in SMTP mode did not work. Thanks to Oleg Motienko. *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" error; the bug had appeared in 0.5.13. Changes with nginx 0.6.22 19 Dec 2007 *) Change: now all ngx_http_perl_module methods return values copied to perl's allocated memory. *) Bugfix: if nginx was built with ngx_http_perl_module, the perl before 5.8.6 was used, and perl supported threads, then during reconfiguration the master process aborted; the bug had appeared in 0.5.9. Thanks to Boris Zhmurov. *) Bugfix: the ngx_http_perl_module methods may get invalid values of the regex captures. *) Bugfix: a segmentation fault occurred in worker process, if the $r->has_request_body() method was called for a request whose small request body was already received. *) Bugfix: large_client_header_buffers did not freed before going to keep-alive state. Thanks to Olexander Shtepa. *) Bugfix: the last address was missed in the $upstream_addr variable; the bug had appeared in 0.6.18. *) Bugfix: the "fastcgi_catch_stderr" directive did return error code; now it returns 502 code, that can be rerouted to a next server using the "fastcgi_next_upstream invalid_header" directive. *) Bugfix: a segmentation fault occurred in master process if the "fastcgi_catch_stderr" directive was used; the bug had appeared in 0.6.10. Thanks to Manlio Perillo. Changes with nginx 0.6.21 03 Dec 2007 *) Change: if variable values used in a "proxy_pass" directive contain IP-addresses only, then a "resolver" directive is not mandatory. *) Bugfix: a segmentation fault might occur in worker process if a "proxy_pass" directive with URI-part was used; the bug had appeared in 0.6.19. *) Bugfix: if resolver was used on platform that does not support kqueue, then nginx issued an alert "name is out of response". Thanks to Andrei Nigmatulin. *) Bugfix: if the $server_protocol was used in FastCGI parameters and a request line length was near to the "client_header_buffer_size" directive value, then nginx issued an alert "fastcgi: the request record is too big". *) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS server, then nginx returned usual response. Changes with nginx 0.6.20 28 Nov 2007 *) Bugfix: a segmentation fault might occur in worker process if a "proxy_pass" directive with URI-part was used; the bug had appeared in 0.6.19. Changes with nginx 0.6.19 27 Nov 2007 *) Bugfix: the 0.6.18 version could not be built. Changes with nginx 0.6.18 27 Nov 2007 *) Change: now the ngx_http_userid_module adds start time microseconds to the cookie field contains a pid value. *) Change: now the full request line instead of URI only is written to error_log. *) Feature: variables support in the "proxy_pass" directive. *) Feature: the "resolver" and "resolver_timeout" directives. *) Feature: now the directive "add_header last-modified ''" deletes a "Last-Modified" response header line. *) Bugfix: the "limit_rate" directive did not allow to use full throughput, even if limit value was very high. Changes with nginx 0.6.17 15 Nov 2007 *) Feature: the "If-Range" request header line support. Thanks to Alexander V. Inyukhin. *) Bugfix: URL double escaping in a redirect of the "msie_refresh" directive; the bug had appeared in 0.6.4. *) Bugfix: the "autoindex" directive did not work with the "alias /" directive. *) Bugfix: a segmentation fault might occur in worker process if subrequests were used. *) Bugfix: the big responses may be transferred truncated if SSL and gzip were used. *) Bugfix: the $status variable was equal to 0 if a proxied server returned response in HTTP/0.9 version. Changes with nginx 0.6.16 29 Oct 2007 *) Change: now the uname(2) is used on Linux instead of procfs. Thanks to Ilya Novikov. *) Bugfix: if the "?" character was in a "error_page" directive, then it was escaped in a proxied request; the bug had appeared in 0.6.11. *) Bugfix: compatibility with mget. Changes with nginx 0.6.15 22 Oct 2007 *) Feature: Cygwin compatibility. Thanks to Vladimir Kutakov. *) Feature: the "merge_slashes" directive. *) Feature: the "gzip_vary" directive. *) Feature: the "server_tokens" directive. *) Bugfix: nginx did not unescape URI in the "include" SSI command. *) Bugfix: the segmentation fault was occurred on start or while reconfiguration if variable was used in the "charset" or "source_charset" directives. *) Bugfix: nginx returned the 400 response on requests like "GET http://www.domain.com HTTP/1.0". Thanks to James Oakley. *) Bugfix: if request with request body was redirected using the "error_page" directive, then nginx tried to read the request body again; the bug had appeared in 0.6.7. *) Bugfix: a segmentation fault occurred in worker process if no server_name was explicitly defined for server processing request; the bug had appeared in 0.6.7. Changes with nginx 0.6.14 15 Oct 2007 *) Change: now by default the "echo" SSI command uses entity encoding. *) Feature: the "encoding" parameter in the "echo" SSI command. *) Feature: the "access_log" directive may be used inside the "limit_except" block. *) Bugfix: if all upstream servers were failed, then all servers had got weight the was equal one until servers became alive; the bug had appeared in 0.6.6. *) Bugfix: a segmentation fault occurred in worker process if $date_local and $date_gmt were used outside the ngx_http_ssi_filter_module. *) Bugfix: a segmentation fault might occur in worker process if debug log was enabled. Thanks to Andrei Nigmatulin. *) Bugfix: ngx_http_memcached_module did not set $upstream_response_time. Thanks to Maxim Dounin. *) Bugfix: a worker process may got caught in an endless loop, if the memcached was used. *) Bugfix: nginx supported low case only "close" and "keep-alive" values in the "Connection" request header line; the bug had appeared in 0.6.11. *) Bugfix: sub_filter did not work with empty substitution. *) Bugfix: in sub_filter parsing. Changes with nginx 0.6.13 24 Sep 2007 *) Bugfix: nginx did not close directory file on HEAD request if autoindex was used. Thanks to Arkadiusz Patyk. Changes with nginx 0.6.12 21 Sep 2007 *) Change: mail proxy was split on three modules: pop3, imap and smtp. *) Feature: the --without-mail_pop3_module, --without-mail_imap_module, and --without-mail_smtp_module configuration parameters. *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer" directives of the ngx_mail_smtp_module. *) Bugfix: the trailing wildcards did not work; the bug had appeared in 0.6.9. *) Bugfix: nginx could not start on Solaris if the shared PCRE library located in non-standard place was used. *) 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. Changes with nginx 0.6.11 11 Sep 2007 *) 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: if the "max_fails" was set for upstream server, then after first failure server weight was always one; the bug had appeared in 0.6.6. Changes with nginx 0.6.10 03 Sep 2007 *) Feature: the "open_file_cache", "open_file_cache_retest", and "open_file_cache_errors" directives. *) Bugfix: socket leak; the bug had appeared in 0.6.7. *) 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. Changes with nginx 0.6.9 28 Aug 2007 *) Bugfix: a worker process may got caught in an endless loop, if the HTTPS protocol was used; the bug had appeared in 0.6.7. *) Bugfix: if server listened on two addresses or ports and trailing wildcard was used, then nginx did not run. *) Bugfix: the "ip_hash" directive might incorrectly mark servers as down. *) Bugfix: nginx could not be built on amd64; the bug had appeared in 0.6.8. Changes with nginx 0.6.8 20 Aug 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. *) Bugfix: nginx used path relative to configuration prefix for non-absolute configuration file path specified in the "-c" key; the bug had appeared in 0.6.6. *) Bugfix: nginx did not work on FreeBSD/sparc64. Changes with nginx 0.6.7 15 Aug 2007 *) Change: now the paths specified in the "include", "auth_basic_user_file", "perl_modules", "ssl_certificate", "ssl_certificate_key", and "ssl_client_certificate" directives are relative to directory of nginx configuration file nginx.conf, but not to nginx prefix directory. *) Change: the --sysconfdir=PATH option in configure was canceled. *) Change: the special make target "upgrade1" was defined for online upgrade of 0.1.x versions. *) Feature: the "server_name" and "valid_referers" directives support regular expressions. *) Feature: the "server" directive in the "upstream" context supports the "backup" parameter. *) Feature: the ngx_http_perl_module supports the $r->discard_request_body. *) Feature: the "add_header Last-Modified ..." directive changes the "Last-Modified" response header line. *) Bugfix: if a response different than 200 was returned to a request with body and connection went to the keep-alive state after the request, then nginx returned 400 for the next request. *) 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: a worker process may got caught in an endless loop, if a "server" inside "upstream" block was marked as "down"; the bug had appeared in 0.6.6. *) Bugfix: now Solaris sendfilev() is not used to transfer the client request body to FastCGI-server via the unix domain socket. Changes with nginx 0.6.6 30 Jul 2007 *) Feature: the --sysconfdir=PATH option in configure. *) Feature: named locations. *) Feature: the $args variable can be set with the "set" directive. *) Feature: the $is_args variable. *) Bugfix: fair big weight upstream balancer. *) Bugfix: if a client has closed connection to mail proxy then nginx might not close connection to backend. *) 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: fix building on Solaris/amd64 by Sun Studio 11 and early versions; the bug had appeared in 0.6.4. Changes with nginx 0.6.5 23 Jul 2007 *) Feature: $nginx_version variable. Thanks to Nick S. Grechukh. *) 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: now nginx escapes space in $memcached_key variable. *) Bugfix: nginx was incorrectly built by Sun Studio on Solaris/amd64. Thanks to Jiang Hong. *) Bugfix: of minor potential bugs. Thanks to Coverity's Scan. Changes with nginx 0.6.4 17 Jul 2007 *) Security: the "msie_refresh" directive allowed XSS. Thanks to Maxim Boguk. *) Change: the "proxy_store" and "fastcgi_store" directives were changed. *) Feature: the "proxy_store_access" and "fastcgi_store_access" directives. *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun Studio. Thanks to Andrei Nigmatulin. *) Workaround: for Sun Studio 12. Thanks to Jiang Hong. Changes with nginx 0.6.3 12 Jul 2007 *) Feature: the "proxy_store" and "fastcgi_store" directives. *) Bugfix: a segmentation fault might occur in worker process if the "auth_http_header" directive was used. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault occurred in worker process if the CRAM-MD5 authentication method was used, but it was not enabled. *) Bugfix: a segmentation fault might occur in worker process when the HTTPS protocol was used in the "proxy_pass" directive. *) Bugfix: a segmentation fault might occur in worker process if the eventport method was used. *) Bugfix: the "proxy_ignore_client_abort" and "fastcgi_ignore_client_abort" directives did not work; the bug had appeared in 0.5.13. Changes with nginx 0.6.2 09 Jul 2007 *) Bugfix: if the FastCGI header was split in records, then nginx passed garbage in the header to a client. Changes with nginx 0.6.1 17 Jun 2007 *) Bugfix: in SSI parsing. *) Bugfix: if remote SSI subrequest was used, then posterior local file subrequest might transferred to client in wrong order. *) Bugfix: large SSI inclusions buffered in temporary files were truncated. *) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal to the master process identification number. Changes with nginx 0.6.0 14 Jun 2007 *) Feature: the "server_name", "map", and "valid_referers" directives support the "www.example.*" wildcards. Changes with nginx 0.5.25 11 Jun 2007 *) Bugfix: nginx could not be built with the --without-http_rewrite_module parameter; the bug had appeared in 0.5.24. Changes with nginx 0.5.24 06 Jun 2007 *) Security: the "ssl_verify_client" directive did not work if request was made using HTTP/0.9. *) Bugfix: a part of response body might be passed uncompressed if gzip was used; the bug had appeared in 0.5.23. Changes with nginx 0.5.23 04 Jun 2007 *) Feature: the ngx_http_ssl_module supports Server Name Indication TLS extension. *) Feature: the "fastcgi_catch_stderr" directive. Thanks to Nick S. Grechukh, OWOX project. *) Bugfix: a segmentation fault occurred in master process if two virtual servers should bind() to the overlapping ports. *) Bugfix: if nginx was built with ngx_http_perl_module and perl supported threads, then during second reconfiguration the error messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued. *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive. Changes with nginx 0.5.22 29 May 2007 *) Bugfix: a big request body might not be passed to backend; the bug had appeared in 0.5.21. Changes with nginx 0.5.21 28 May 2007 *) Bugfix: if server has more than about ten locations, then regex locations might be choosen not in that order as they were specified. *) Bugfix: a worker process may got caught in an endless loop on 64-bit platform, if the 33-rd or next in succession backend has failed. Thanks to Anton Povarov. *) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE library was used. Thanks to Andrei Nigmatulin. *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive. Changes with nginx 0.5.20 07 May 2007 *) Feature: the "sendfile_max_chunk" directive. *) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..." variables may be changed using the "set" directive. *) Bugfix: a segmentation fault might occur in worker process if the SSI command 'if expr="$var = /"' was used. *) Bugfix: trailing boundary of multipart range response was transferred incorrectly. Thanks to Evan Miller. *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun Studio. Thanks to Andrei Nigmatulin. *) Bugfix: the ngx_http_perl_module could not be built by Solaris make. Thanks to Andrei Nigmatulin. Changes with nginx 0.5.19 24 Apr 2007 *) Change: now the $request_time variable has millisecond precision. *) Change: the method $r->rflush of ngx_http_perl_module was renamed to the $r->flush. *) Feature: the $upstream_addr variable. *) Feature: the "proxy_headers_hash_max_size" and "proxy_headers_hash_bucket_size" directives. Thanks to Volodymyr Kostyrko. *) Bugfix: the files more than 2G could not be transferred using sendfile and limit_rate on 64-bit platforms. *) Bugfix: the files more than 2G could not be transferred using sendfile on 64-bit Linux. Changes with nginx 0.5.18 19 Apr 2007 *) Feature: the ngx_http_sub_filter_module. *) Feature: the "$upstream_http_..." variables. *) Feature: now the $upstream_status and $upstream_response_time variables keep data about all upstreams before X-Accel-Redirect. *) Bugfix: a segmentation fault occurred in master process after first reconfiguration and receiving any signal if nginx was built with ngx_http_perl_module and perl did not support multiplicity; the bug had appeared in 0.5.9. *) Bugfix: if perl did not support multiplicity, then after reconfiguration perl code did not work; the bug had appeared in 0.3.38. Changes with nginx 0.5.17 02 Apr 2007 *) Change: now nginx always returns the 405 status for the TRACE method. *) Feature: now nginx supports the "include" directive inside the "types" block. *) Bugfix: the $document_root variable usage in the "root" and "alias" directives is disabled: this caused recursive stack overflow. *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive. *) Bugfix: in some cases non-cachable variables (such as $uri variable) returned old cached value. Changes with nginx 0.5.16 26 Mar 2007 *) Bugfix: the C-class network was not used as hash key in the "ip_hash" directive. Thanks to Pavel Yarkovoy. *) Bugfix: a segmentation fault might occur in worker process if a charset was set in the "Content-Type" header line and the line has trailing ";"; the bug had appeared in 0.3.50. *) Bugfix: the "[alert] zero size buf" error when FastCGI server was used and a request body written in a temporary file was multiple of 32K. *) Bugfix: nginx could not be built on Solaris without the --with-debug option; the bug had appeared in 0.5.15. Changes with nginx 0.5.15 19 Mar 2007 *) Feature: the mail proxy supports authenticated SMTP proxying and the "smtp_auth", "smtp_capablities", and "xclient" directives. Thanks to Anton Yuzhaninov and Maxim Dounin. *) Feature: now the keep-alive connections are closed just after receiving the reconfiguration signal. *) Change: the "imap" and "auth" directives were renamed to the "mail" and "pop3_auth" directives. *) Bugfix: a segmentation fault occurred in worker process if the CRAM-MD5 authentication method was used and the APOP method was disabled. *) Bugfix: if the "starttls only" directive was used in POP3 protocol, then nginx allowed authentication without switching to the SSL mode. *) Bugfix: worker processes did not exit after reconfiguration and did not rotate logs if the eventport method was used. *) Bugfix: a worker process may got caught in an endless loop, if the "ip_hash" directive was used. *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll methods are used. Changes with nginx 0.5.14 23 Feb 2007 *) Bugfix: nginx ignored superfluous closing "}" in the end of configuration file. Changes with nginx 0.5.13 19 Feb 2007 *) Feature: the COPY and MOVE methods. *) Bugfix: the ngx_http_realip_module set garbage for requests passed via keep-alive connection. *) Bugfix: nginx did not work on big-endian 64-bit Linux. Thanks to Andrei Nigmatulin. *) Bugfix: now when IMAP/POP3 proxy receives too long command it closes the connection right away, but not after timeout. *) Bugfix: if the "epoll" method was used and a client closed a connection prematurely, then nginx closed the connection after a send timeout only. *) Bugfix: nginx could not be built on platforms different from i386, amd64, sparc, and ppc; the bug had appeared in 0.5.8. Changes with nginx 0.5.12 12 Feb 2007 *) Bugfix: nginx could not be built on platforms different from i386, amd64, sparc, and ppc; the bug had appeared in 0.5.8. *) Bugfix: a segmentation fault might occur in worker process if the temporary files were used while working with FastCGI server; the bug had appeared in 0.5.8. *) Bugfix: a segmentation fault might occur in worker process if the $fastcgi_script_name variable was logged. *) Bugfix: ngx_http_perl_module could not be built on Solaris. Changes with nginx 0.5.11 05 Feb 2007 *) Feature: now configure detects system PCRE library in MacPorts. Thanks to Chris McGrath. *) Bugfix: the response was incorrect if several ranges were requested; the bug had appeared in 0.5.6. *) Bugfix: the "create_full_put_path" directive could not create the intermediate directories if no "dav_access" directive was set. Thanks to Evan Miller. *) Bugfix: the "0" response code might be logged in the access_log instead of the "400" and "408" error codes. *) Bugfix: a segmentation fault might occur in worker process if nginx was built with -O2 optimization. Changes with nginx 0.5.10 26 Jan 2007 *) Bugfix: while online executable file upgrade the new master process did not inherit the listening sockets; the bug had appeared in 0.5.9. *) Bugfix: a segmentation fault might occur in worker process if nginx was built with -O2 optimization; the bug had appeared in 0.5.1. Changes with nginx 0.5.9 25 Jan 2007 *) Change: now the ngx_http_memcached_module uses the $memcached_key variable value as a key. *) Feature: the $memcached_key variable. *) Feature: the "clean" parameter in the "client_body_in_file_only" directive. *) Feature: the "env" directive. *) Feature: the "sendfile" directive is available inside the "if" block. *) Feature: now on failure of the writing to access nginx logs a message to error_log, but not more often than once a minute. *) Bugfix: the "access_log off" directive did not always turn off the logging. Changes with nginx 0.5.8 19 Jan 2007 *) Bugfix: a segmentation fault might occur if "client_body_in_file_only on" was used and a request body was small. *) Bugfix: a segmentation fault occurred if "client_body_in_file_only on" and "proxy_pass_request_body off" or "fastcgi_pass_request_body off" directives were used, and nginx switched to a next upstream. *) Bugfix: if the "proxy_buffering off" directive was used and a client connection was non-active, then the connection was closed after send timeout; the bug had appeared in 0.4.7. *) Bugfix: if the "epoll" method was used and a client closed a connection prematurely, then nginx closed the connection after a send timeout only. *) Bugfix: the "[alert] zero size buf" error when FastCGI server was used. *) Bugfixes in the "limit_zone" directive. Changes with nginx 0.5.7 15 Jan 2007 *) Feature: the ssl_session_cache storage optimization. *) Bugfixes in the "ssl_session_cache" and "limit_zone" directives. *) Bugfix: the segmentation fault was occurred on start or while reconfiguration if the "ssl_session_cache" or "limit_zone" directives were used on 64-bit platforms. *) Bugfix: a segmentation fault occurred if the "add_before_body" or "add_after_body" directives were used and there was no "Content-Type" header line in response. *) Bugfix: the OpenSSL library was always built with the threads support. Thanks to Den Ivanov. *) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility. Changes with nginx 0.5.6 09 Jan 2007 *) Change: now the ngx_http_index_module ignores all methods except the GET, HEAD, and POST methods. *) Feature: the ngx_http_limit_zone_module. *) Feature: the $binary_remote_addr variable. *) Feature: the "ssl_session_cache" directives of the ngx_http_ssl_module and ngx_imap_ssl_module. *) Feature: the DELETE method supports recursive removal. *) Bugfix: the byte-ranges were transferred incorrectly if the $r->sendfile() was used. Changes with nginx 0.5.5 24 Dec 2006 *) Change: the -v switch does not show compiler information any more. *) Feature: the -V switch. *) Feature: the "worker_rlimit_core" directive supports size in K, M, and G. *) Bugfix: the nginx.pm module now could be installed by an unprivileged user. *) Bugfix: a segmentation fault might occur if the $r->request_body or $r->request_body_file methods were used. *) Bugfix: the ppc platform specific bugs. Changes with nginx 0.5.4 15 Dec 2006 *) Feature: the "perl" directive may be used inside the "limit_except" block. *) Bugfix: the ngx_http_dav_module required the "Date" request header line for the DELETE method. *) Bugfix: if one only parameter was used in the "dav_access" directive, then nginx might report about configuration error. *) Bugfix: a segmentation fault might occur if the $host variable was used; the bug had appeared in 0.4.14. Changes with nginx 0.5.3 13 Dec 2006 *) Feature: the ngx_http_perl_module supports the $r->status, $r->log_error, and $r->sleep methods. *) Feature: the $r->variable method supports variables that do not exist in nginx configuration. *) Bugfix: the $r->has_request_body method did not work. Changes with nginx 0.5.2 11 Dec 2006 *) Bugfix: if the "proxy_pass" directive used the name of the "upstream" block, then nginx tried to resolve the name; the bug had appeared in 0.5.1. Changes with nginx 0.5.1 11 Dec 2006 *) Bugfix: the "post_action" directive might not run after a unsuccessful completion of a request. *) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11. Thanks to Bron Gondwana. *) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then the message "no port in upstream" was issued; the bug had appeared in 0.5.0. *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the same servers but different ports, then these directives uses the first described port; the bug had appeared in 0.5.0. *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the unix domain sockets, then these directives used first described socket; the bug had appeared in 0.5.0. *) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the last line in the password file and there was no the carriage return, the line feed, or the ":" symbol after the password. *) Bugfix: the $upstream_response_time variable might be equal to "0.000", although response time was more than 1 millisecond. Changes with nginx 0.5.0 04 Dec 2006 *) Change: the parameters in the "%name" form in the "log_format" directive are not supported anymore. *) Change: the "proxy_upstream_max_fails", "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", "fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and "memcached_upstream_fail_timeout" directives are not supported anymore. *) Feature: the "server" directive in the "upstream" context supports the "max_fails", "fail_timeout", and "down" parameters. *) Feature: the "ip_hash" directive inside the "upstream" block. *) Feature: the WAIT status in the "Auth-Status" header line of the IMAP/POP3 proxy authentication server response. *) Bugfix: nginx could not be built on 64-bit platforms; the bug had appeared in 0.4.14. Changes with nginx 0.4.14 27 Nov 2006 *) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy. *) Feature: now configure detects system PCRE library on FreeBSD, Linux, and NetBSD. *) Bugfix: ngx_http_perl_module did not work with perl built with the threads support; the bug had appeared in 0.3.38. *) Bugfix: ngx_http_perl_module did not work if perl was called recursively. *) Bugfix: nginx ignored a host name in a request line. *) Bugfix: a worker process may got caught in an endless loop, if a FastCGI server sent too many data to the stderr. *) Bugfix: the $upstream_response_time variable may be negative if the system time was changed backward. *) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3 proxy authentication server when POP3 was used. *) Bugfix: a segmentation fault might occur if connect to IMAP/POP3 proxy authentication server failed. Changes with nginx 0.4.13 15 Nov 2006 *) Feature: the "proxy_pass" directive may be used inside the "limit_except" block. *) Feature: the "limit_except" directive supports all WebDAV methods. *) Bugfix: if the "add_before_body" directive was used without the "add_after_body" directive, then a response did not transferred complete. *) Bugfix: a large request body did not receive if the epoll method and the deferred accept() were used. *) Bugfix: a charset could not be set for ngx_http_autoindex_module responses; the bug had appeared in 0.3.50. *) Bugfix: the "[alert] zero size buf" error when FastCGI server was used; *) Bugfix: the --group= configuration parameter was ignored. Thanks to Thomas Moschny. *) Bugfix: the 50th subrequest in SSI response did not work; the bug had appeared in 0.3.50. Changes with nginx 0.4.12 31 Oct 2006 *) Feature: the ngx_http_perl_module supports the $r->variable method. *) Bugfix: if a big static file was included using SSI in a response, then the response may be transferred incomplete. *) Bugfix: nginx did not omit the "#fragment" part in URI. Changes with nginx 0.4.11 25 Oct 2006 *) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5. *) Feature: the ngx_http_perl_module supports the $r->allow_ranges method. *) Bugfix: if the APOP was enabled in the POP3 proxy, then the USER/PASS commands might not work; the bug had appeared in 0.4.10. Changes with nginx 0.4.10 23 Oct 2006 *) Feature: the POP3 proxy supports the APOP command. *) Bugfix: if the select, poll or /dev/poll methods were used, then while waiting authentication server response the IMAP/POP3 proxy hogged CPU. *) Bugfix: a segmentation fault might occur if the $server_addr variable was used in the "map" directive. *) Bugfix: the ngx_http_flv_module did not support the byte ranges for full responses; the bug had appeared in 0.4.7. *) Bugfix: nginx could not be built on Debian amd64; the bug had appeared in 0.4.9. Changes with nginx 0.4.9 13 Oct 2006 *) Feature: the "set" parameter in the "include" SSI command. *) Feature: the ngx_http_perl_module now tests the nginx.pm module version. Changes with nginx 0.4.8 11 Oct 2006 *) Bugfix: if an "include" SSI command were before another "include" SSI command with a "wait" parameter, then the "wait" parameter might not work. *) Bugfix: the ngx_http_flv_module added the FLV header to the full responses. Thanks to Alexey Kovyrin. Changes with nginx 0.4.7 10 Oct 2006 *) Feature: the ngx_http_flv_module. *) Feature: the $request_body_file variable. *) Feature: the "charset" and "source_charset" directives support the variables. *) Bugfix: if an "include" SSI command were before another "include" SSI command with a "wait" parameter, then the "wait" parameter might not work. *) Bugfix: if the "proxy_buffering off" directive was used or while working with memcached the connections might not be closed on timeout. *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64, and ppc64. Changes with nginx 0.4.6 06 Oct 2006 *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64, and ppc64. *) Bugfix: nginx sent the chunked response for HTTP/1.1 request, if its length was set by text string in the $r->headers_out("Content-Length", ...) method. *) Bugfix: after redirecting error by an "error_page" directive any ngx_http_rewrite_module directive returned this error code; the bug had appeared in 0.4.4. Changes with nginx 0.4.5 02 Oct 2006 *) Bugfix: nginx could not be built on Linux and Solaris; the bug had appeared in 0.4.4. Changes with nginx 0.4.4 02 Oct 2006 *) Feature: the $scheme variable. *) Feature: the "expires" directive supports the "max" parameter. *) Feature: the "include" directive supports the "*" mask. Thanks to Jonathan Dance. *) Bugfix: the "return" directive always overrode the "error_page" response code redirected by the "error_page" directive. *) Bugfix: a segmentation fault occurred if zero-length body was in PUT method. *) Bugfix: the redirect was changed incorrectly if the variables were used in the "proxy_redirect" directive. Changes with nginx 0.4.3 26 Sep 2006 *) Change: now the 499 error could not be redirected using an "error_page" directive. *) Feature: the Solaris 10 event ports support. *) Feature: the ngx_http_browser_module. *) Bugfix: a segmentation fault may occur while redirecting the 400 error to the proxied server using a "proxy_pass" directive. *) Bugfix: a segmentation fault occurred if an unix domain socket was used in a "proxy_pass" directive; the bug had appeared in 0.3.47. *) Bugfix: SSI did work with memcached and nonbuffered responses. *) Workaround: of the Sun Studio PAUSE hardware capability bug. Changes with nginx 0.4.2 14 Sep 2006 *) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug had appeared in 0.4.1. Changes with nginx 0.4.1 14 Sep 2006 *) Bugfix: the DragonFlyBSD compatibility. Thanks to Pavel Nazarov. *) Workaround: of bug in 64-bit Linux sendfile(), when file is more than 2G. *) Feature: now on Linux nginx uses O_NOATIME flag for static requests. Thanks to Yusuf Goolamabbas. Changes with nginx 0.4.0 30 Aug 2006 *) Change in internal API: the HTTP modules initialization was moved from the init module phase to the HTTP postconfiguration phase. *) Change: now the request body is not read beforehand for the ngx_http_perl_module: it's required to start the reading using the $r->has_request_body method. *) Feature: the ngx_http_perl_module supports the DECLINED return code. *) Feature: the ngx_http_dav_module supports the incoming "Date" header line for the PUT method. *) Feature: the "ssi" directive is available inside the "if" block. *) Bugfix: a segmentation fault occurred if there was an "index" directive with variables and the first index name was without variables; the bug had appeared in 0.1.29. Changes with nginx 0.3.61 28 Aug 2006 *) Change: now the "tcp_nodelay" directive is turned on by default. *) Feature: the "msie_refresh" directive. *) Feature: the "recursive_error_pages" directive. *) Bugfix: the "rewrite" directive returned incorrect redirect, if the redirect had the captured escaped symbols from original URI. Changes with nginx 0.3.60 18 Aug 2006 *) Bugfix: a worker process may got caught in an endless loop while an error redirection; the bug had appeared in 0.3.59. Changes with nginx 0.3.59 16 Aug 2006 *) Feature: now is possible to do several redirection using the "error_page" directive. *) Bugfix: the "dav_access" directive did not support three parameters. *) Bugfix: the "error_page" directive did not changes the "Content-Type" header line after the "X-Accel-Redirect" was used; the bug had appeared in 0.3.58. Changes with nginx 0.3.58 14 Aug 2006 *) Feature: the "error_page" directive supports the variables. *) Change: now the procfs interface instead of sysctl is used on Linux. *) Change: now the "Content-Type" header line is inherited from first response when the "X-Accel-Redirect" was used. *) Bugfix: the "error_page" directive did not redirect the 413 error. *) Bugfix: the trailing "?" did not remove old arguments if no new arguments were added to a rewritten URI. *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT. Changes with nginx 0.3.57 09 Aug 2006 *) Feature: the $ssl_client_serial variable. *) Bugfix: in the "!-e" operator of the "if" directive. Thanks to Andrian Budanstov. *) Bugfix: while a client certificate verification nginx did not send to a client the required certificates information. *) Bugfix: the $document_root variable did not support the variables in the "root" directive. Changes with nginx 0.3.56 04 Aug 2006 *) Feature: the "dav_access" directive. *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e", "-x", and "!-x" operators. *) Bugfix: a segmentation fault occurred if a request returned a redirect and some sent to client header lines were logged in the access log. Changes with nginx 0.3.55 28 Jul 2006 *) Feature: the "stub" parameter in the "include" SSI command. *) Feature: the "block" SSI command. *) Feature: the unicode2nginx script was added to contrib. *) Bugfix: if a "root" was specified by variable only, then the root was relative to a server prefix. *) Bugfix: if the request contained "http://" or "/./" and escaped symbols after them, then the proxied request was sent unescaped. *) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now returns all "Cookie" header lines. *) Bugfix: a segmentation fault occurred if "client_body_in_file_only on" was used and nginx switched to a next upstream. *) Bugfix: on some condition while reconfiguration character codes inside the "charset_map" may be treated invalid; the bug had appeared in 0.3.50. Changes with nginx 0.3.54 11 Jul 2006 *) Feature: nginx now logs the subrequest information to the error log. *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and "memcached_next_upstream" directives support the "off" parameter. *) Feature: the "debug_connection" directive supports the CIDR address form. *) Bugfix: if a response of proxied server or FastCGI server was converted from UTF-8 or back, then it may be transferred incomplete. *) Bugfix: the $upstream_response_time variable had the time of the first request to a backend only. *) Bugfix: nginx could not be built on amd64 platform; the bug had appeared in 0.3.53. Changes with nginx 0.3.53 07 Jul 2006 *) Change: the "add_header" directive adds the string to 204, 301, and 302 responses. *) Feature: the "server" directive in the "upstream" context supports the "weight" parameter. *) Feature: the "server_name" directive supports the "*" wildcard. *) Feature: nginx supports the request body size more than 2G. *) Bugfix: if a client was successfully authorized using "satisfy_any on", then anyway the message "access forbidden by rule" was written in the log. *) Bugfix: the "PUT" method may erroneously not create a file and return the 409 code. *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx continued proxying anyway. Changes with nginx 0.3.52 03 Jul 2006 *) Change: the ngx_http_index_module behavior for the "POST /" requests is reverted to the 0.3.40 version state: the module now does not return the 405 error. *) Bugfix: the worker process may got caught in an endless loop if the limit rate was used; the bug had appeared in 0.3.37. *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even if the recoding was not needed; the bug had appeared in 0.3.50. *) Bugfix: if a code response of the PUT request was 409, then a temporary file was not removed. Changes with nginx 0.3.51 30 Jun 2006 *) Bugfix: the "<" symbols might disappeared some conditions in the SSI; the bug had appeared in 0.3.50. Changes with nginx 0.3.50 28 Jun 2006 *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors" directives was renamed to the "proxy_intercept_errors" and "fastcgi_intercept_errors" directives. *) Feature: the ngx_http_charset_module supports the recoding from the single byte encodings to the UTF-8 encoding and back. *) Feature: the "X-Accel-Charset" response header line is supported in proxy and FastCGI mode. *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI command was removed only if the command also has the "$" symbol. *) Bugfix: the "