{"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\/es\/blog\/news\/vypusk-nginx-1-21-4","title":{"rendered":"Lanzamiento de nginx 1.21.4.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha generado la versi\u00f3n principal de nginx 1.21.4, en la cual contin\u00faan desarroll\u00e1ndose nuevas funcionalidades (en la rama estable 1.20, que se mantiene paralelamente, solo se realizan cambios relacionados con la correcci\u00f3n de errores graves y vulnerabilidades).     <\/p>\n<p>Principales cambios:  <\/p>\n<ul>\n<li class=\"l\"> Se ha dejado de soportar la instalaci\u00f3n de conexiones HTTP\/2 utilizando la extensi\u00f3n NPN (Next Protocol Negotiation) en lugar de ALPN;\n<li class=\"l\"> Se ha asegurado el cierre <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2298\">SSL<\/a>-de conexiones cuando el cliente utiliza la extensi\u00f3n ALPN, si durante la negociaci\u00f3n de las conexiones no se selecciona un protocolo soportado;\n<li class=\"l\"> En la directiva 'sendfile_max_chunk', el valor por defecto se ha cambiado a 2 megabytes;\n<li class=\"l\"> En el m\u00f3dulo stream se ha a\u00f1adido la directiva proxy_half_close, que permite configurar el comportamiento al cerrar una conexi\u00f3n TCP proxy desde uno de los lados ('TCP half-close');\n<li class=\"l\"> En el m\u00f3dulo stream se ha a\u00f1adido la directiva ssl_alpn para definir la lista de protocolos soportados por ALPN (h2, http\/1.1) y la variable $ssl_alpn_protocol, que refleja el protocolo ALPN acordado con el cliente;\n<li class=\"l\"> Se ha a\u00f1adido soporte para la llamada a SSL_sendfile() al utilizar OpenSSL 3.0;\n<li class=\"l\"> Se ha a\u00f1adido la directiva 'mp4_start_key_frame' en el m\u00f3dulo ngx_http_mp4_module para transmitir el flujo de video a partir del fotograma clave.\n<li class=\"l\"> Se corrigi\u00f3 la asignaci\u00f3n de la variable $content_length al usar chunked transfer encoding;\n<li class=\"l\"> Se ha corregido un error de caching de conexi\u00f3n al recibir una respuesta de longitud incorrecta del backend proxy;\n<li class=\"l\"> Se ha corregido el registro de nivel 'error' en lugar de 'info' ante encabezados incorrectos de los backends;\n<li class=\"l\"> Se corrigieron los errores de bloqueo de solicitudes al usar HTTP\/2 y la directiva aio_write.    <\/ul>\n<p>Fuente: <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) \u0432\u043c\u0435\u0441\u0442\u043e ALPN; \u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u043e 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