{"id":102209,"date":"2021-11-04T15:36:48","date_gmt":"2021-11-04T13:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-nginx-1-21-4"},"modified":"2021-11-04T15:36:48","modified_gmt":"2021-11-04T13:36:48","slug":"vypusk-nginx-1-21-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/vypusk-nginx-1-21-4","title":{"rendered":"Release nginx 1.21.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Die Hauptversion von nginx 1.21.4 wurde ver\u00f6ffentlicht, in der die Entwicklung neuer Funktionen fortgesetzt wird (in der parallel unterst\u00fctzten stabilen Version 1.20 werden nur \u00c4nderungen zur Behebung schwerwiegender Fehler und Sicherheitsanf\u00e4lligkeiten vorgenommen).     <\/p>\n<p>Haupt\u00e4nderungen:  <\/p>\n<ul>\n<li class=\"l\"> Die Unterst\u00fctzung f\u00fcr die Einrichtung von HTTP\/2-Verbindungen unter Verwendung der NPN-Erweiterung (Next Protocol Negotiation) anstelle von ALPN wurde eingestellt;\n<li class=\"l\"> Die Schlie\u00dfung <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2298\">SSL<\/a>von Verbindungen wird sichergestellt, wenn der Client die ALPN-Erweiterung verwendet und w\u00e4hrend der Aushandlung der Verbindungen kein unterst\u00fctztes Protokoll ausgew\u00e4hlt wird;\n<li class=\"l\"> In der Direktive \u201esendfile_max_chunk\u201c wurde der Standardwert auf 2 Megabyte ge\u00e4ndert;\n<li class=\"l\"> Im Modul stream wurde die Direktive proxy_half_close hinzugef\u00fcgt, mit der das Verhalten beim Schlie\u00dfen einer proxierten TCP-Verbindung auf einer der Seiten (\u201eTCP half-close\u201c) konfiguriert werden kann;\n<li class=\"l\"> Im Stream-Modul wurde die Direktive ssl_alpn hinzugef\u00fcgt, um die Liste der unterst\u00fctzten ALPN-Protokolle (h2, http\/1.1) und die Variable $ssl_alpn_protocol, die das mit dem Client ausgehandelte ALPN-Protokoll widerspiegelt, zu bestimmen;\n<li class=\"l\"> Die Unterst\u00fctzung f\u00fcr den Aufruf von SSL_sendfile() bei Verwendung von OpenSSL 3.0 wurde hinzugef\u00fcgt;\n<li class=\"l\"> Die Direktive \u201emp4_start_key_frame\u201c wurde im Modul ngx_http_mp4_module hinzugef\u00fcgt, um den Video-Stream ab dem Schl\u00fcsselbild zu \u00fcbertragen.\n<li class=\"l\"> Fehler bei der Einstellung der Variablen $content_length bei Verwendung von Chunked Transfer-Encoding behoben;\n<li class=\"l\"> Ein Fehler bei der Zwischenspeicherung von Verbindungen wurde behoben, der auftrat, wenn eine Antwort mit einer inkorrekten L\u00e4nge vom proxyierten Backend empfangen wurde;\n<li class=\"l\"> Das Logging mit dem Level \u201eerror\u201c wurde anstelle von \u201einfo\u201c bei fehlerhaften Headern von Backends korrigiert;\n<li class=\"l\"> Fehler bei der H\u00e4ngung von Anfragen bei Verwendung von HTTP\/2 und der Direktive aio_write behoben.    <\/ul>\n<p>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56096\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.21.4, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043d\u043e\u0432\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 (\u0432 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 1.20 \u0432\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 HTTP\/2-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f NPN (Next Protocol Negotiation) 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