{"id":35678,"date":"2019-10-31T22:05:43","date_gmt":"2019-10-31T19:05:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-nginx-1-17-1-i-njs-0-3-3\/"},"modified":"2019-10-31T22:05:43","modified_gmt":"2019-10-31T19:05:43","slug":"vypusk-nginx-1-17-1-i-njs-0-3-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-nginx-1-17-1-i-njs-0-3-3","title":{"rendered":"Uscita di nginx 1.17.1 e njs 0.3.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"http:\/\/mailman.nginx.org\/pipermail\/nginx-announce\/2019\/000243.html\">\u00c8 disponibile<\/a><\/noindex> rilascio del ramo principale <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\">nginx 1.17.1<\/a><\/noindex>, nel quale continua lo sviluppo di nuove funzionalit\u00e0 (nella stabilit\u00e0 sostenuta parallelamente <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50561\">ramo 1.16<\/a><\/noindex> sono apportate solo modifiche relative alla risoluzione di errori gravi e vulnerabilit\u00e0.<\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\/en\/CHANGES\">cambiamenti<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Direttiva aggiunta <noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\/en\/docs\/http\/ngx_http_limit_req_module.html#limit_req_dry_run\">limit_req_dry_run<\/a><\/noindex>, che attiva la modalit\u00e0 di prova, in cui non si applicano limiti di intensit\u00e0 per l'elaborazione delle richieste (senza rate limit), ma viene comunque registrato il numero di richieste che superano i limiti in memoria condivisa;\n<li class=\"l\"> Utilizzando nel blocco delle impostazioni &#171;upstream&#187; la direttiva &#171;<noindex><a rel=\"nofollow\" href=\"http:\/\/nginx.org\/en\/docs\/http\/ngx_http_upstream_module.html#hash\">hash<\/a><\/noindex>&#187; per organizzare il bilanciamento del carico con il vincolo del client al server, nel caso in cui venga specificato un valore vuoto per la chiave viene ora attivata la modalit\u00e0 di bilanciamento uniforme (round-robin);\n<li class=\"l\"> Risolta la discesa del flusso di lavoro durante l'uso della cache in combinazione con la direttiva &#171;image_filter&#187; e il reindirizzamento del gestore del codice di errore 415 utilizzando la direttiva &#171;error_page&#187;;\n<li class=\"l\"> Corretto il crash del processo di lavoro che si manifestava durante l'uso dell'interprete Perl incorporato.\n<\/ul>\n<p>In aggiunta, si pu\u00f2 notare <noindex><a rel=\"nofollow\" href=\"http:\/\/mailman.nginx.org\/pipermail\/nginx-announce\/2019\/000244.html\">uscita<\/a><\/noindex> njs 0.3.3, un interprete del linguaggio JavaScript per il web server nginx. L'interprete njs implementa gli standard ECMAScript e consente di estendere le capacit\u00e0 di nginx nella gestione delle richieste tramite script nella configurazione. Gli script possono essere utilizzati nel file di configurazione per definire una logica di gestione delle richieste avanzata, generazione della configurazione, generazione dinamica della risposta, modifica della richiesta\/risposta o creazione rapida di stub per risolvere problemi nelle web application. <\/p>\n<p>Nella nuova versione di njs sono stati risolti i problemi riscontrati durante il fuzzing testing. \u00c8 stata implementata una variabile globale &#171;process&#187; con i parametri e le variabili d'ambiente del processo corrente (process.pid, process.env.HOME, ecc.). \u00c8 stata garantita la possibilit\u00e0 di scrivere in tutte le propriet\u00e0 e metodi integrati. \u00c8 stata aggiunta l'implementazione di Array.prototype.fill(). \u00c8 stato implementato il supporto per la sintassi proposta in ECMAScript 5. <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Functions\/get\">getter<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Functions\/set\">setter<\/a><\/noindex> per legare una propriet\u00e0 dell'oggetto a una funzione, ad esempio:<\/p>\n<p>   var o = {a:2};<br \/>\n   Object.defineProperty(o, &#8216;b&#8217;, {get:function(){return 2*this.a}});<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50967\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.17.1, \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 \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: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0430 limit_req_dry_run, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0443\u0435\u0442 \u0440\u0435\u0436\u0438\u043c \u043f\u0440\u043e\u0431\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043d\u0430 \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 (\u0431\u0435\u0437 rate limit), \u043d\u043e \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f \u0443\u0447\u0451\u0442 \u0432\u044b\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35678","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-nginx-1-17-1-i-njs-0-3-3\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" 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