nginx

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タイトル	nginx
URL	http://nginx.org/en/
バージョン	1.23.3 1.23.2 1.23.1 1.23.0 1.21.6 1.21.5 1.21.4 1.21.3 1.21.2 1.21.1 1.21.0
更新日	2022/12/14
追加日	2016/02/26
種別	フリーソフト / オープンソース(その他)
説明	フリーでオープンソースの高速Webサーバー。

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バージョン履歴

No.	バージョン名	日付
1	1.23.3	2022/12/14
1	Changes with nginx 1.23.3 13 Dec 2022 ) Bugfix: an error might occur when reading PROXY protocol version 2 header with large number of TLVs. ) Bugfix: a segmentation fault might occur in a worker process if SSI was used to process subrequests created by other modules. Thanks to Ciel Zhao. ) Workaround: when a hostname used in the "listen" directive resolves to multiple addresses, nginx now ignores duplicates within these addresses. ) Bugfix: nginx might hog CPU during unbuffered proxying if SSL connections to backends were used.
2	1.23.2	2022/10/20
2	Changes with nginx 1.23.2 19 Oct 2022 ) Security: processing of a specially crafted mp4 file by the ngx_http_mp4_module might cause a worker process crash, worker process memory disclosure, or might have potential other impact (CVE-2022-41741, CVE-2022-41742). ) Feature: the "$proxy_protocol_tlv_..." variables. ) Feature: TLS session tickets encryption keys are now automatically rotated when using shared memory in the "ssl_session_cache" directive. ) Change: the logging level of the "bad record type" SSL errors has been lowered from "crit" to "info". Thanks to Murilo Andrade. ) Change: now when using shared memory in the "ssl_session_cache" directive the "could not allocate new session" errors are logged at the "warn" level instead of "alert" and not more often than once per second. ) Bugfix: nginx/Windows could not be built with OpenSSL 3.0.x. *) Bugfix: in logging of the PROXY protocol errors. Thanks to Sergey Brester. (省略されました)
3	1.23.1	2022/07/20
3	Changes with nginx 1.23.1 19 Jul 2022 ) Feature: memory usage optimization in configurations with SSL proxying. ) Feature: looking up of IPv4 addresses while resolving now can be disabled with the "ipv4=off" parameter of the "resolver" directive. ) Change: the logging level of the "bad key share", "bad extension", "bad cipher", and "bad ecpoint" SSL errors has been lowered from "crit" to "info". ) Bugfix: while returning byte ranges nginx did not remove the "Content-Range" header line if it was present in the original backend response. *) Bugfix: a proxied response might be truncated during reconfiguration on Linux; the bug had appeared in 1.17.5.
4	1.23.0	2022/06/22
4	Changes with nginx 1.23.0 21 Jun 2022 ) Change in internal API: now header lines are represented as linked lists. ) Change: now nginx combines arbitrary header lines with identical names when sending to FastCGI, SCGI, and uwsgi backends, in the $r->header_in() method of the ngx_http_perl_module, and during lookup of the "$http_...", "$sent_http_...", "$sent_trailer_...", "$upstream_http_...", and "$upstream_trailer_..." variables. ) Bugfix: if there were multiple "Vary" header lines in the backend response, nginx only used the last of them when caching. ) Bugfix: if there were multiple "WWW-Authenticate" header lines in the backend response and errors with code 401 were intercepted or the "auth_request" directive was used, nginx only sent the first of the header lines to the client. ) Change: the logging level of the "application data after close notify" SSL errors has been lowered from "crit" to "info". ) Bugfix: connections might hang if nginx was built on Linux 2.6.17 or newer, but was used on systems without EPOLLRDHUP support, notably with epoll emulation layers; the bug had appeared in 1.17.5. (省略されました)
5	1.21.6	2022/01/26
5	Changes with nginx 1.21.6 25 Jan 2022 ) Bugfix: when using EPOLLEXCLUSIVE on Linux client connections were unevenly distributed among worker processes. ) Bugfix: nginx returned the "Connection: keep-alive" header line in responses during graceful shutdown of old worker processes. *) Bugfix: in the "ssl_session_ticket_key" when using TLSv1.3.
6	1.21.5	2021/12/29
6	Changes with nginx 1.21.5 28 Dec 2021 ) Change: now nginx is built with the PCRE2 library by default. ) Change: now nginx always uses sendfile(SF_NODISKIO) on FreeBSD. ) Feature: support for sendfile(SF_NOCACHE) on FreeBSD. ) Feature: the $ssl_curve variable. *) Bugfix: connections might hang when using HTTP/2 without SSL with the "sendfile" and "aio" directives.
7	1.21.4	2021/11/03
7	Changes with nginx 1.21.4 02 Nov 2021 ) Change: support for NPN instead of ALPN to establish HTTP/2 connections has been removed. ) Change: now nginx rejects SSL connections if ALPN is used by the client, but no supported protocols can be negotiated. ) Change: the default value of the "sendfile_max_chunk" directive was changed to 2 megabytes. ) Feature: the "proxy_half_close" directive in the stream module. ) Feature: the "ssl_alpn" directive in the stream module. ) Feature: the $ssl_alpn_protocol variable. ) Feature: support for SSL_sendfile() when using OpenSSL 3.0. ) Feature: the "mp4_start_key_frame" directive in the ngx_http_mp4_module. Thanks to Tracey Jaquith. ) Bugfix: in the $content_length variable when using chunked transfer encoding. ) Bugfix: after receiving a response with incorrect length from a proxied backend nginx might nevertheless cache the connection. Thanks to Awdhesh Mathpal. (省略されました)
8	1.21.3	2021/09/08
8	Changes with nginx 1.21.3 07 Sep 2021 ) Change: optimization of client request body reading when using HTTP/2. ) Bugfix: in request body filters internal API when using HTTP/2 and buffering of the data being processed.
9	1.21.2	2021/09/01
9	Changes with nginx 1.21.2 31 Aug 2021 ) Change: now nginx rejects HTTP/1.0 requests with the "Transfer-Encoding" header line. ) Change: export ciphers are no longer supported. ) Feature: OpenSSL 3.0 compatibility. ) Feature: the "Auth-SSL-Protocol" and "Auth-SSL-Cipher" header lines are now passed to the mail proxy authentication server. Thanks to Rob Mueller. ) Feature: request body filters API now permits buffering of the data being processed. ) Bugfix: backend SSL connections in the stream module might hang after an SSL handshake. ) Bugfix: the security level, which is available in OpenSSL 1.1.0 or newer, did not affect loading of the server certificates when set with "@SECLEVEL=N" in the "ssl_ciphers" directive. ) Bugfix: SSL connections with gRPC backends might hang if select, poll, or /dev/poll methods were used. *) Bugfix: when using HTTP/2 client request body was always written to disk if the "Content-Length" header line was not present in the request.
10	1.21.1	2021/07/07
10	Changes with nginx 1.21.1 06 Jul 2021 ) Change: now nginx always returns an error for the CONNECT method. ) Change: now nginx always returns an error if both "Content-Length" and "Transfer-Encoding" header lines are present in the request. ) Change: now nginx always returns an error if spaces or control characters are used in the request line. ) Change: now nginx always returns an error if spaces or control characters are used in a header name. ) Change: now nginx always returns an error if spaces or control characters are used in the "Host" request header line. ) Change: optimization of configuration testing when using many listening sockets. ) Bugfix: nginx did not escape """, "", "\", "^", "`", "{", "\|", and "}" characters when proxying with changed URI. ) Bugfix: SSL variables might be empty when used in logs; the bug had appeared in 1.19.5. ) Bugfix: keepalive connections with gRPC backends might not be closed after receiving a GOAWAY frame. ) Bugfix: reduced memory consumption for long-lived requests when proxying with more than 64 buffers.
11	1.21.0	2021/05/26
11	Changes with nginx 1.21.0 25 May 2021 ) Security: 1-byte memory overwrite might occur during DNS server response processing if the "resolver" directive was used, allowing an attacker who is able to forge UDP packets from the DNS server to cause worker process crash or, potentially, arbitrary code execution (CVE-2021-23017). ) Feature: variables support in the "proxy_ssl_certificate", "proxy_ssl_certificate_key" "grpc_ssl_certificate", "grpc_ssl_certificate_key", "uwsgi_ssl_certificate", and "uwsgi_ssl_certificate_key" directives. ) Feature: the "max_errors" directive in the mail proxy module. ) Feature: the mail proxy module supports POP3 and IMAP pipelining. ) Feature: the "fastopen" parameter of the "listen" directive in the stream module. Thanks to Anbang Wen. ) Bugfix: special characters were not escaped during automatic redirect with appended trailing slash. *) Bugfix: connections with clients in the mail proxy module might be closed unexpectedly when using SMTP pipelining.

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nginx

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