Nginx-Perl
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Changes with nginx 1.5.4 27 Aug 2013
*) Change: the "js" extension MIME type has been changed to
"application/javascript"; default value of the "charset_types"
directive was changed accordingly.
*) Change: now the "image_filter" directive with the "size" parameter
returns responses with the "application/json" MIME type.
*) Feature: the ngx_http_auth_request_module.
*) Bugfix: a segmentation fault might occur on start or during
reconfiguration if the "try_files" directive was used with an empty
parameter.
*) Bugfix: memory leak if relative paths were specified using variables
in the "root" or "auth_basic_user_file" directives.
*) Bugfix: the "valid_referers" directive incorrectly executed regular
expressions if a "Referer" header started with "https://".
Thanks to Liangbin Li.
*) Bugfix: responses might hang if subrequests were used and an SSL
handshake error happened during subrequest processing.
Thanks to Aviram Cohen.
*) Bugfix: in the ngx_http_autoindex_module.
*) Bugfix: in the ngx_http_spdy_module.
Changes with nginx 1.5.3 30 Jul 2013
*) Change in internal API: now u->length defaults to -1 if working with
backends in unbuffered mode.
*) Change: now after receiving an incomplete response from a backend
server nginx tries to send an available part of the response to a
client, and then closes client connection.
*) Bugfix: a segmentation fault might occur in a worker process if the
ngx_http_spdy_module was used with the "client_body_in_file_only"
directive.
*) Bugfix: the "so_keepalive" parameter of the "listen" directive might
be handled incorrectly on DragonFlyBSD.
Thanks to Sepherosa Ziehau.
*) Bugfix: in the ngx_http_xslt_filter_module.
*) Bugfix: in the ngx_http_sub_filter_module.
Changes with nginx 1.5.2 02 Jul 2013
*) Feature: now several "error_log" directives can be used.
*) Bugfix: the $r->header_in() embedded perl method did not return value
of the "Cookie" and "X-Forwarded-For" request header lines; the bug
had appeared in 1.3.14.
*) Bugfix: in the ngx_http_spdy_module.
Thanks to Jim Radford.
*) Bugfix: nginx could not be built on Linux with x32 ABI.
Thanks to Serguei Ivantsov.
Changes with nginx 1.5.1 04 Jun 2013
*) Feature: the "ssi_last_modified", "sub_filter_last_modified", and
"xslt_last_modified" directives.
Thanks to Alexey Kolpakov.
*) Feature: the "http_403" parameter of the "proxy_next_upstream",
"fastcgi_next_upstream", "scgi_next_upstream", and
"uwsgi_next_upstream" directives.
*) Feature: the "allow" and "deny" directives now support unix domain
sockets.
*) Bugfix: nginx could not be built with the ngx_mail_ssl_module, but
without ngx_http_ssl_module; the bug had appeared in 1.3.14.
*) Bugfix: in the "proxy_set_body" directive.
Thanks to Lanshun Zhou.
*) Bugfix: in the "lingering_time" directive.
Thanks to Lanshun Zhou.
*) Bugfix: the "fail_timeout" parameter of the "server" directive in the
"upstream" context might not work if "max_fails" parameter was used;
the bug had appeared in 1.3.0.
*) Bugfix: a segmentation fault might occur in a worker process if the
"ssl_stapling" directive was used.
Thanks to Piotr Sikora.
*) Bugfix: in the mail proxy server.
Thanks to Filipe Da Silva.
*) Bugfix: nginx/Windows might stop accepting connections if several
worker processes were used.
Changes with nginx 1.5.0 07 May 2013
*) Security: a stack-based buffer overflow might occur in a worker
process while handling a specially crafted request, potentially
resulting in arbitrary code execution (CVE-2013-2028); the bug had
appeared in 1.3.9.
Thanks to Greg MacManus, iSIGHT Partners Labs.
Changes with nginx 1.4.0 24 Apr 2013
*) Bugfix: nginx could not be built with the ngx_http_perl_module if the
--with-openssl option was used; the bug had appeared in 1.3.16.
subrequests were used; the bug had appeared in 1.3.9.
*) Bugfix: the "tcp_nodelay" directive caused an error if a WebSocket
connection was proxied into a unix domain socket.
*) Bugfix: the $upstream_response_length variable has an incorrect value
"0" if buffering was not used.
Thanks to Piotr Sikora.
*) Bugfix: in the eventport and /dev/poll methods.
Changes with nginx 1.3.15 26 Mar 2013
*) Change: opening and closing a connection without sending any data in
it is no longer logged to access_log with error code 400.
*) Feature: the ngx_http_spdy_module.
Thanks to Automattic for sponsoring this work.
*) Feature: the "limit_req_status" and "limit_conn_status" directives.
Thanks to Nick Marden.
*) Feature: the "image_filter_interlace" directive.
Thanks to Ian Babrou.
*) Feature: $connections_waiting variable in the
ngx_http_stub_status_module.
*) Feature: the mail proxy module now supports IPv6 backends.
*) Bugfix: request body might be transmitted incorrectly when retrying a
request to the next upstream server; the bug had appeared in 1.3.9.
Thanks to Piotr Sikora.
*) Bugfix: in the "client_body_in_file_only" directive; the bug had
appeared in 1.3.9.
*) Bugfix: responses might hang if subrequests were used and a DNS error
happened during subrequest processing.
Thanks to Lanshun Zhou.
*) Bugfix: in backend usage accounting.
Changes with nginx 1.3.14 05 Mar 2013
*) Feature: $connections_active, $connections_reading, and
$connections_writing variables in the ngx_http_stub_status_module.
*) Feature: support of WebSocket connections in the
ngx_http_uwsgi_module and ngx_http_scgi_module.
*) Bugfix: in virtual servers handling with SNI.
*) Bugfix: new sessions were not always stored if the "ssl_session_cache
shared" directive was used and there was no free space in shared
memory.
Thanks to Piotr Sikora.
*) Bugfix: multiple X-Forwarded-For headers were handled incorrectly.
Thanks to Neal Poole for sponsoring this work.
*) Bugfix: in the ngx_http_mp4_module.
Thanks to Gernot Vormayr.
Changes with nginx 1.3.13 19 Feb 2013
*) Change: a compiler with name "cc" is now used by default.
*) Feature: support for proxying of WebSocket connections.
Thanks to Apcera and CloudBees for sponsoring this work.
*) Feature: the "auth_basic_user_file" directive supports "{SHA}"
password encryption method.
Thanks to Louis Opter.
Changes with nginx 1.3.12 05 Feb 2013
*) Feature: variables support in the "proxy_bind", "fastcgi_bind",
"memcached_bind", "scgi_bind", and "uwsgi_bind" directives.
*) Feature: the $pipe, $request_length, $time_iso8601, and $time_local
variables can now be used not only in the "log_format" directive.
Thanks to Kiril Kalchev.
*) Feature: IPv6 support in the ngx_http_geoip_module.
Thanks to Gregor Kališnik.
*) Bugfix: in the "proxy_method" directive.
*) Bugfix: a segmentation fault might occur in a worker process if
resolver was used with the poll method.
*) Bugfix: nginx might hog CPU during SSL handshake with a backend if
the select, poll, or /dev/poll methods were used.
*) Bugfix: the "[crit] SSL_write() failed (SSL:)" error.
*) Bugfix: in the "client_body_in_file_only" directive; the bug had
appeared in 1.3.9.
*) Bugfix: in the "fastcgi_keep_conn" directive.
Changes with nginx 1.3.11 10 Jan 2013
*) Bugfix: a segmentation fault might occur if logging was used; the bug
had appeared in 1.3.10.
*) Bugfix: the "proxy_pass" directive did not work with IP addresses
without port specified; the bug had appeared in 1.3.10.
*) Bugfix: a segmentation fault occurred on start or during
reconfiguration if the "keepalive" directive was specified more than
once in a single upstream block.
*) Bugfix: parameter "default" of the "geo" directive did not set
default value for IPv6 addresses.
*) Bugfix: errors while using SSI and gzipping.
*) Bugfix: the redirect with the 301 code was transferred without
response body; the bug had appeared in 0.1.30.
Changes with nginx 0.1.30 14 May 2005
*) Bugfix: the worker process may got caught in an endless loop if the
SSI was used.
*) Bugfix: the response encrypted by SSL may not transferred complete.
*) Bugfix: if the length of the response part received at once from
proxied or FastCGI server was equal to 500, then nginx returns the
500 response code; in proxy mode the bug had appeared in 0.1.29 only.
*) Bugfix: nginx did not consider the directives with 8 or 9 parameters
as invalid.
*) Feature: the "return" directive can return the 204 response code.
*) Feature: the "ignore_invalid_headers" directive.
Changes with nginx 0.1.29 12 May 2005
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT
variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous "Expires"
and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host" header
line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
Changes with nginx 0.1.28 08 Apr 2005
*) Bugfix: nginx hogs CPU while proxying the huge files.
*) Bugfix: nginx could not be built by gcc 4.0 on Linux.
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