{"id":99904,"date":"2021-04-17T10:22:46","date_gmt":"2021-04-17T08:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya"},"modified":"2021-04-17T10:22:46","modified_gmt":"2021-04-17T08:22:46","slug":"vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya","title":{"rendered":"A HTTP\/3 t\u00e1mogat\u00e1s\u00e1nak aktiv\u00e1l\u00e1sa a Firefox-ban m\u00e1jus v\u00e9g\u00e9re v\u00e1rhat\u00f3.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Mozilla bejelentette, hogy megkezdi a HTTP\/3 \u00e9s QUIC protokollok fokozatos bevezet\u00e9s\u00e9t a Firefox 88-as kiad\u00e1s\u00e1ban, amely \u00e1prilis 19-\u00e9n esed\u00e9kes (eredetileg a kiad\u00e1s \u00e1prilis 20-ra volt tervezve, de a menetrend alapj\u00e1n egy nappal k\u00e9s\u0151bbre tol\u00f3dott). Eleinte a HTTP\/3 t\u00e1mogat\u00e1sa csak a felhaszn\u00e1l\u00f3k kis sz\u00e1zal\u00e9ka sz\u00e1m\u00e1ra lesz aktiv\u00e1lva, \u00e9s ha nem mer\u00fclnek fel v\u00e1ratlan probl\u00e9m\u00e1k, m\u00e1jus v\u00e9g\u00e9re mindenki sz\u00e1m\u00e1ra el\u00e9rhet\u0151v\u00e9 v\u00e1lik. Az \u00e9jszakai build-ekben \u00e9s b\u00e9ta verzi\u00f3kban a HTTP\/3 alap\u00e9rtelmezetten aktiv\u00e1lva volt m\u00e1rcius v\u00e9g\u00e9n.    <\/p>\n<p>Eml\u00e9kezz\u00fcnk r\u00e1, hogy a HTTP\/3 Firefoxba val\u00f3 implement\u00e1l\u00e1sa a Mozilla \u00e1ltal fejlesztett neqo projekten alapul, amely kliens \u00e9s <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-los-angeles\/\"   title=\"a szerver\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3702\">a szerver<\/a> a QUIC protokollhoz. Az HTTP\/3 \u00e9s QUIC t\u00e1mogat\u00e1s\u00e1hoz sz\u00fcks\u00e9ges komponensk\u00f3d Rust nyelven \u00edr\u00f3dott. Az HTTP\/3 enged\u00e9lyez\u00e9s\u00e9nek kezel\u00e9s\u00e9re az about:config be\u00e1ll\u00edt\u00e1sai k\u00f6z\u00f6tt tal\u00e1lhat\u00f3 a &#171;network.http.http3.enabled&#187; opci\u00f3. Az \u00fcgyf\u00e9lprogramok k\u00f6z\u00f6tt az HTTP\/3 k\u00eds\u00e9rleti t\u00e1mogat\u00e1sa a Chrome-ba \u00e9s a curl-be is be lett \u00e9p\u00edtve, valamint  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/\"   title=\"szerverek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1572\">szerverek<\/a> nginx-en el\u00e9rhet\u0151, emellett nginx modul form\u00e1j\u00e1ban \u00e9s a Cloudflare \u00e1ltal biztos\u00edtott tesztszerveren is megtal\u00e1lhat\u00f3. A weboldalak oldal\u00e1r\u00f3l a HTTP\/3 t\u00e1mogat\u00e1s\u00e1t m\u00e1r a Google \u00e9s a Facebook szerverei biztos\u00edtj\u00e1k.     <\/p>\n<p>A HTTP\/3 protokoll m\u00e9g mindig tervezet formanyomtatv\u00e1nyon van, \u00e9s az IETF-ben v\u00e9glegesen nem standardiz\u00e1lt. A HTTP\/3 haszn\u00e1lat\u00e1hoz sz\u00fcks\u00e9ges, hogy a kliens- \u00e9s a szerveroldalon ugyanannak a tervezet szint\u0171 QUIC \u00e9s HTTP\/3 standardnak a t\u00e1mogat\u00e1sa meglegyen, amely a Alt-Svc fejl\u00e9cben van megadva (a Firefox a 27-32 k\u00f6z\u00f6tti specifik\u00e1ci\u00f3s tervezeteket t\u00e1mogatja).            <\/p>\n<p>A HTTP\/3 a QUIC protokoll haszn\u00e1lat\u00e1t hat\u00e1rozza meg az HTTP\/2 sz\u00e1ll\u00edt\u00e1s\u00e1ra. A QUIC (Quick UDP Internet Connections) protokollt a Google 2013 \u00f3ta fejleszti a TCP+TLS kombin\u00e1ci\u00f3 alternat\u00edv\u00e1jak\u00e9nt a Web sz\u00e1m\u00e1ra, amely megoldja a TCP kapcsolatfel\u00e1ll\u00edt\u00e1s\u00e1nak \u00e9s egyes\u00edt\u00e9s\u00e9nek hossz\u00fa idej\u00e9vel kapcsolatos probl\u00e9m\u00e1kat, \u00e9s megsz\u00fcnteti a csomagveszt\u00e9s miatti k\u00e9s\u00e9seket az adatok \u00e1tvitele sor\u00e1n. A QUIC egy UDP protokollra \u00e9p\u00fcl, amely t\u00f6bbsz\u00f6r\u00f6s kapcsolatok multiplexel\u00e9s\u00e9t t\u00e1mogatja, \u00e9s olyan titkos\u00edt\u00e1si m\u00f3dszereket biztos\u00edt, amelyek egyen\u00e9rt\u00e9k\u0171ek a TLS\/SSL-lel. Az IETF szabv\u00e1ny\u00e1nak kidolgoz\u00e1sa sor\u00e1n a protokollban m\u00f3dos\u00edt\u00e1sokat hajtottak v\u00e9gre, ami k\u00e9t p\u00e1rhuzamos l\u00e9tez\u0151 \u00e1ghoz vezetett: az egyik a HTTP\/3-hoz, a m\u00e1sik pedig a Google \u00e1ltal t\u00e1mogatott (a Chrome mindk\u00e9t verzi\u00f3t t\u00e1mogatja).    <\/p>\n<p>A QUIC f\u0151bb jellemz\u0151i:  <\/p>\n<ul>\n<li class=\"l\"> Magas biztons\u00e1g, amely hasonl\u00f3 a TLS-hez (l\u00e9nyeg\u00e9ben a QUIC lehet\u0151v\u00e9 teszi a TLS haszn\u00e1lat\u00e1t az UDP-n \u00fcst\u00f6k\u00f6lve);  <\/li>\n<li class=\"l\"> A folyam integrit\u00e1s\u00e1nak ellen\u0151rz\u00e9se, amely megakad\u00e1lyozza a csomagok elveszt\u00e9s\u00e9t;    <\/li>\n<li class=\"l\"> A kapcsolat azonnali l\u00e9trehoz\u00e1s\u00e1nak lehet\u0151s\u00e9ge (0-RTT, k\u00f6r\u00fclbel\u00fcl 75%-ban az adatok azonnal \u00e1tadhat\u00f3k a kapcsolati telep\u00edt\u00e9si csomag k\u00fcld\u00e9se ut\u00e1n) \u00e9s a k\u00e9r\u00e9s elk\u00fcld\u00e9se \u00e9s a v\u00e1lasz meg\u00e9rkez\u00e9se k\u00f6z\u00f6tti minim\u00e1lis k\u00e9sleltet\u00e9sek biztos\u00edt\u00e1sa (RTT, Round Trip Time);    <\/li>\n<li class=\"l\"> A csomagok \u00faj seq. sz\u00e1mmal val\u00f3 \u00fajrak\u00fcld\u00e9s\u00e9nek lehet\u0151s\u00e9ge, amely lehet\u0151v\u00e9 teszi a megkapott csomagok pontos azonos\u00edt\u00e1s\u00e1t \u00e9s megsz\u00fcnteti az id\u0151t\u00fall\u00e9p\u00e9seket;  <\/li>\n<li class=\"l\"> Csomag elveszt\u00e9se csak az ahhoz kapcsol\u00f3d\u00f3 folyamat sz\u00e1ll\u00edt\u00e1s\u00e1t befoly\u00e1solja, \u00e9s nem \u00e1ll\u00edtja le az adatokat a p\u00e1rhuzamosan \u00e1tkonvert\u00e1lt folyamatok sz\u00e1ll\u00edt\u00e1s\u00e1ban;    <\/li>\n<li class=\"l\"> Hibaellen\u0151rz\u0151 eszk\u00f6z\u00f6k, amelyek minimaliz\u00e1lj\u00e1k a k\u00e9s\u00e9seket az elveszett csomagok \u00fajrak\u00fcld\u00e9se miatt. Speci\u00e1lis hibaellen\u0151rz\u0151 k\u00f3dok haszn\u00e1lata csomagszinten a vesztes csomagok \u00fajrak\u00fcld\u00e9s\u00e9nek sz\u00fcks\u00e9gess\u00e9g\u00e9nek cs\u00f6kkent\u00e9s\u00e9re.   <\/li>\n<li class=\"l\"> A kriptogr\u00e1fiai blokkok hat\u00e1rai a QUIC csomagok hat\u00e1raival \u00f6ssze vannak hangolva, ez\u00e1ltal cs\u00f6kkenti a csomagveszt\u00e9sek hat\u00e1s\u00e1t a k\u00f6vetkez\u0151 csomagok tartalm\u00e1nak dek\u00f3dol\u00e1s\u00e1ra;    <\/li>\n<li class=\"l\"> Nincsenek probl\u00e9m\u00e1k a TCP sorok blokkol\u00e1s\u00e1val;    <\/li>\n<li class=\"l\"> T\u00e1mogatja a kapcsolati azonos\u00edt\u00f3t, amely lehet\u0151v\u00e9 teszi a mobil kliensek sz\u00e1m\u00e1ra a visszakapcsol\u00f3d\u00e1si id\u0151 cs\u00f6kkent\u00e9s\u00e9t;  <\/li>\n<li class=\"l\"> A kapcsolati t\u00falterhel\u00e9s-ellen\u0151rz\u00e9si mechanizmusok kiterjesztett lehet\u0151s\u00e9geinek csatlakoztat\u00e1sa;  <\/li>\n<li class=\"l\"> S\u00e1vsz\u00e9less\u00e9g-el\u0151rejelz\u00e9si technik\u00e1k haszn\u00e1lata mindk\u00e9t ir\u00e1nyban a csomagok optim\u00e1lis k\u00fcld\u00e9si intenzit\u00e1s\u00e1nak biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben, elker\u00fclve a t\u00falterhelts\u00e9gi \u00e1llapotba val\u00f3 ker\u00fcl\u00e9st, amely csomagveszt\u00e9st eredm\u00e9nyez;    <\/li>\n<li class=\"l\">  Jelent\u0151s teljes\u00edtm\u00e9nyn\u00f6veked\u00e9s \u00e9s s\u00e1vsz\u00e9less\u00e9g a TCP-hez k\u00e9pest. Vide\u00f3szolg\u00e1ltat\u00e1sok, mint p\u00e9ld\u00e1ul a YouTube eset\u00e9ben a QUIC alkalmaz\u00e1sa 30%-kal cs\u00f6kkentette a vide\u00f3k megtekint\u00e9se sor\u00e1n a puffereket.          <\/li>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54979\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043d\u0430\u0447\u0430\u0442\u044c \u043f\u043e\u044d\u0442\u0430\u043f\u043d\u043e\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 HTTP\/3 \u0438 QUIC \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Firefox 88, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 19 \u0430\u043f\u0440\u0435\u043b\u044f (\u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e, \u0440\u0435\u043b\u0438\u0437 \u043e\u0436\u0438\u0434\u0430\u043b\u0441\u044f 20 \u0430\u043f\u0440\u0435\u043b\u044f, \u043d\u043e, \u0441\u0443\u0434\u044f \u043f\u043e \u0433\u0440\u0430\u0444\u0438\u043a\u0443, \u0441\u0434\u0432\u0438\u043d\u0443\u0442 \u043d\u0430 \u043e\u0434\u0438\u043d \u0434\u0435\u043d\u044c). \u0412\u043d\u0430\u0447\u0430\u043b\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 HTTP\/3 \u0431\u0443\u0434\u0435\u0442 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u043b\u0438\u0448\u044c \u0434\u043b\u044f \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u043d\u0442\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438, \u0435\u0441\u043b\u0438 \u043d\u0435 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0435\u0442 \u043d\u0435\u043f\u0440\u0435\u0434\u0432\u0438\u0434\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u0434\u043e \u0432\u0441\u0435\u0445 \u043a \u043a\u043e\u043d\u0446\u0443 [&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-99904","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043d\u0430\u0447\u0430\u0442\u044c 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