{"id":72825,"date":"2020-03-04T14:42:26","date_gmt":"2020-03-04T11:42:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-nginx-1-17-9-i-njs-0-3-9"},"modified":"2020-03-04T14:42:26","modified_gmt":"2020-03-04T11:42:26","slug":"vypusk-nginx-1-17-9-i-njs-0-3-9","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-nginx-1-17-9-i-njs-0-3-9","title":{"rendered":"Lanzamiento de nginx 1.17.9 y njs 0.3.9","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"http:\/\/mailman.nginx.org\/pipermail\/nginx-announce\/2020\/000265.html\">Formado<\/a><\/noindex> lanzamiento de la rama principal <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\">nginx 1.17.9<\/a><\/noindex>, en la cual contin\u00faa el desarrollo de nuevas funcionalidades (en la rama estable que se mantiene paralelamente <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50561\">rama 1.16<\/a><\/noindex> se realizan solo cambios relacionados con la correcci\u00f3n de errores graves y vulnerabilidades).<\/p>\n<p>Principales <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\/ru\/CHANGES.ru\">cambios<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> No se permite especificar varias l\u00edneas de \u00abHost\u00bb en<br \/>\n       el encabezado de la solicitud;<\/p>\n<li class=\"l\"> Se ha corregido un error por el cual nginx ignoraba l\u00edneas adicionales<br \/>\n       \u00abTransfer-Encoding\u00bb en la cabecera de la solicitud;<\/p>\n<li class=\"l\"> Se han realizado correcciones para prevenir fugas de sockets al utilizar el protocolo HTTP\/2;\n<li class=\"l\"> Se ha solucionado un fallo (fallo de segmentaci\u00f3n) del proceso de trabajo, que se manifestaba al usar OCSP stapling;\n<li class=\"l\"> Se han realizado correcciones en el m\u00f3dulo ngx_http_mp4_module;\n<li class=\"l\"> Se ha resuelto un problema en los casos en que, al redirigir errores con el c\u00f3digo 494 mediante la directiva \u2018error_page\u2019, se pod\u00eda devolver una respuesta con el c\u00f3digo 494 en lugar de 400;\n<li class=\"l\"> Se han eliminado fugas de sockets al usar subconsultas en el m\u00f3dulo njs y la directiva aio.\n<\/ul>\n<p>Tambi\u00e9n se puede destacar <noindex><a rel=\"nofollow\" href=\"http:\/\/mailman.nginx.org\/pipermail\/nginx-announce\/2020\/000266.html\">lanzamiento<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\/en\/docs\/njs\/\">njs 0.3.9<\/a><\/noindex>, un int\u00e9rprete de JavaScript para el servidor web nginx. El int\u00e9rprete njs implementa est\u00e1ndares ECMAScript y permite ampliar las capacidades de nginx en el manejo de solicitudes mediante scripts en la configuraci\u00f3n. Los scripts pueden utilizarse en el archivo de configuraci\u00f3n para definir l\u00f3gica de manejo de solicitudes ampliada, formaci\u00f3n de configuraciones, generaci\u00f3n din\u00e1mica de respuestas, modificaci\u00f3n de solicitudes\/respuestas o creaci\u00f3n r\u00e1pida de mockups para resolver problemas en aplicaciones web. <\/p>\n<p>En la nueva versi\u00f3n, el m\u00f3dulo njs ha a\u00f1adido soporte para el modo de solicitudes desacopladas en r.subrequest(). Las respuestas a las subpeticiones desacopladas se ignoran. A diferencia de las subpeticiones normales, una subpetici\u00f3n desacoplada puede ser creada dentro de un manejador de variable. Tambi\u00e9n:<\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido API Promises para el m\u00f3dulo \u00abfs\u00bb;\n<li class=\"l\"> Se han a\u00f1adido las funciones access(), symlink(), unlink() al m\u00f3dulo \u00abfs\u00bb;<br \/>\n        realpath() y similares al m\u00f3dulo \u00abfs\u00bb;<\/p>\n<li class=\"l\"> Se han introducido arreglos comunes eficientes en t\u00e9rminos de consumo de memoria;\n<li class=\"l\"> Se han realizado mejoras en el lexer;\n<li class=\"l\"> Se ha corregido el mapeo de funciones nativas en trazas de retroceso (backtraces).<br \/>\nsiguiendo;<\/p>\n<li class=\"l\"> Se han corregido las llamadas de retorno en el m\u00f3dulo \u00abfs\u00bb;\n<li class=\"l\"> Se han realizado correcciones en Object.getOwnPropertySymbols();\n<li class=\"l\"> Se ha solucionado un desbordamiento de buffer de memoria din\u00e1mica en njs_json_append_string();\n<li class=\"l\"> Se ha corregido encodeURI() y decodeURI() de acuerdo con la especificaci\u00f3n;\n<li class=\"l\"> Se ha corregido Number.prototype.toPrecision();\n<li class=\"l\"> Se ha corregido el manejo del argumento de espacio en JSON.stringify();\n<li class=\"l\"> Se ha corregido JSON.stringify() con objetos Number() y String();\n<li class=\"l\"> Se ha garantizado el escape de caracteres Unicode en JSON.stringify() de acuerdo con<br \/>\n         la especificaci\u00f3n;<\/p>\n<li class=\"l\"> Se ha corregido la importaci\u00f3n de m\u00f3dulos no nativos;\n<li class=\"l\"> Se ha corregido njs.dump() con una instancia de Date() en el contenedor.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52474\">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 1.17.9, \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 1.16 \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 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