{"id":37112,"date":"2019-10-31T22:15:49","date_gmt":"2019-10-31T19:15:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti\/"},"modified":"2019-10-31T22:15:49","modified_gmt":"2019-10-31T19:15:49","slug":"http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti","title":{"rendered":"HTTP hlavi\u010dka Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eita pro skenov\u00e1n\u00ed port\u016f intern\u00ed s\u00edt\u011b","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V\u00fdzkumn\u00edci z Bostonsk\u00e9 univerzity <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/conference\/woot19\/presentation\/tiwari\">vyvinuli<\/a><\/noindex> metodu \u00fatoku<br \/>\n(CVE-2019-11728), <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/woot19-paper_tiwari.pdf\">umo\u017e\u0148uj\u00edc\u00ed<\/a><\/noindex> proveden\u00ed skenov\u00e1n\u00ed IP adres a otev\u0159en\u00fdch s\u00ed\u0165ov\u00fdch port\u016f ve vnit\u0159n\u00ed s\u00edti u\u017eivatele, odd\u011blen\u00e9 od vn\u011bj\u0161\u00ed s\u00edt\u011b firewallem, nebo na aktu\u00e1ln\u00edm syst\u00e9mu (localhost). \u00datok m\u016f\u017ee b\u00fdt proveden p\u0159i otev\u0159en\u00ed speci\u00e1ln\u011b upraven\u00e9 str\u00e1nky v prohl\u00ed\u017ee\u010di. Navrhovan\u00e1 technika vych\u00e1z\u00ed z pou\u017eit\u00ed HTTP hlavi\u010dky <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Headers\/Alt-Svc\">Alt-Svc<\/a><\/noindex> (HTTP Alternate Services, <noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/rfc7838\/\">RFC-7838<\/a><\/noindex>). Probl\u00e9m se projevuje ve Firefoxu, Chrome a prohl\u00ed\u017ee\u010d\u00edch zalo\u017een\u00fdch na jejich j\u00e1drech, v\u010detn\u011b Tor Browseru a Brave.<\/p>\n<p>Hlava Alt-Svc umo\u017e\u0148uje serveru ur\u010dit alternativn\u00ed zp\u016fsob, jak se spojit se str\u00e1nkami, a instruovat prohl\u00ed\u017ee\u010d, aby p\u0159esm\u011broval po\u017eadavek na nov\u00fd hostitel, nap\u0159\u00edklad pro vyrovn\u00e1n\u00ed z\u00e1t\u011b\u017ee. Mimo jin\u00e9 je mo\u017en\u00e9 specifikovat s\u00ed\u0165ov\u00fd port pro p\u0159esm\u011brov\u00e1n\u00ed; nap\u0159\u00edklad specifikace 'Alt-Svc: http\/1.1=\"other.example.com:443\"; ma=200' p\u0159ikazuje klientovi, aby se pro z\u00edsk\u00e1n\u00ed po\u017eadovan\u00e9 str\u00e1nky spojil s hostitelem other.example.org pomoc\u00ed s\u00ed\u0165ov\u00e9ho portu 443 a protokolu HTTP\/1.1. Parametr 'ma' ur\u010duje maxim\u00e1ln\u00ed dobu platnosti p\u0159esm\u011brov\u00e1n\u00ed. Krom\u011b HTTP\/1.1 jsou podporov\u00e1ny tak\u00e9 protokoly HTTP\/2-over-TLS (h2), HTTP\/2-over plain text (h2c), SPDY (spdy) a QUIC (quic), vyu\u017e\u00edvaj\u00edc\u00ed UDP.<\/p>\n<p><center><img decoding=\"async\" alt=\"HTTP hlavi\u010dka Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eita pro skenov\u00e1n\u00ed port\u016f intern\u00ed s\u00edt\u011b\" src=\"\/wp-content\/uploads\/2019\/08\/20a9c58c37c506b07a80703760a52bfc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>Pro skenov\u00e1n\u00ed adres m\u016f\u017ee \u00fato\u010dn\u00edk sekven\u010dn\u011b proch\u00e1zet zaj\u00edmav\u00e9 adresy vnit\u0159n\u00ed s\u00edt\u011b a s\u00ed\u0165ov\u00e9 porty, p\u0159i\u010dem\u017e jako znak vyu\u017e\u00edv\u00e1 zpo\u017ed\u011bn\u00ed mezi opakovan\u00fdmi \u017e\u00e1dostmi.<br \/>\nV p\u0159\u00edpad\u011b nedostupnosti p\u0159esm\u011brov\u00e1van\u00e9ho zdroje prohl\u00ed\u017ee\u010d okam\u017eit\u011b obdr\u017e\u00ed paket RST jako odpov\u011b\u010f a ihned ozna\u010d\u00ed alternativn\u00ed slu\u017ebu za nedostupnou a resetuje stanovenou dobu \u017eivotnosti p\u0159esm\u011brov\u00e1n\u00ed.<br \/>\nPokud je s\u00ed\u0165ov\u00fd port otev\u0159en\u00fd, pak k dokon\u010den\u00ed spojen\u00ed vy\u017eaduje v\u00edce \u010dasu (bude se pokou\u0161et nav\u00e1zat spojen\u00ed s odpov\u00eddaj\u00edc\u00ed v\u00fdm\u011bnou paket\u016f) a prohl\u00ed\u017ee\u010d nebude reagovat okam\u017eit\u011b. <\/p>\n<p>Pro z\u00edsk\u00e1n\u00ed informac\u00ed o kontrole m\u016f\u017ee \u00fato\u010dn\u00edk n\u00e1sledn\u011b okam\u017eit\u011b p\u0159esm\u011brovat u\u017eivatele na druhou str\u00e1nku, kter\u00e1 v hlavi\u010dce Alt-Svc odkazuje na funk\u010dn\u00ed hostitele \u00fato\u010dn\u00edka. Pokud prohl\u00ed\u017ee\u010d klienta ode\u0161le \u017e\u00e1dost na tuto str\u00e1nku, lze pova\u017eovat, \u017ee p\u0159esm\u011brov\u00e1n\u00ed prvn\u00ed \u017e\u00e1dosti Alt-Svc bylo zru\u0161eno a kontrolovan\u00fd hostitel a port jsou nedostupn\u00e9. Pokud \u017e\u00e1dost nebyla odesl\u00e1na, znamen\u00e1 to, \u017ee informace o prvn\u00edm p\u0159esm\u011brov\u00e1n\u00ed je\u0161t\u011b neexpiruj\u00ed a spojen\u00ed bylo nav\u00e1z\u00e1no. <\/p>\n<p>Uveden\u00e1 metoda tak\u00e9 umo\u017e\u0148uje kontrolovat s\u00ed\u0165ov\u00e9 porty, kter\u00e9 jsou zahrnuty na blacklistu prohl\u00ed\u017ee\u010de, jako jsou porty po\u0161tovn\u00edch server\u016f. Pracuj\u00edc\u00ed \u00fatok je p\u0159ipraven pou\u017eit\u00edm iframe substituce v provozu ob\u011bti a nasazen\u00edm protokolu HTTP\/2 v Alt-Svc pro Firefox a QUIC pro skenov\u00e1n\u00ed UDP port\u016f v Chrome. V Tor Browseru nelze tento \u00fatok pou\u017e\u00edt v r\u00e1mci vnit\u0159n\u00ed s\u00edt\u011b a localhostu, ale je vhodn\u00fd pro organizaci skryt\u00e9ho skenov\u00e1n\u00ed extern\u00edch hostitel\u016f p\u0159es v\u00fdstupn\u00ed uzel Tor. Probl\u00e9m se skenov\u00e1n\u00edm port\u016f ji\u017e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mozilla.org\/en-US\/security\/advisories\/mfsa2019-21\/\">odstran\u011bna<\/a><\/noindex> ve Firefoxu 68.<\/p>\n<p>Z\u00e1hlav\u00ed Alt-Svc m\u016f\u017ee b\u00fdt tak\u00e9 pou\u017eito:<\/p>\n<ul>\n<li class=\"l\"> P\u0159i organizaci DDoS \u00fatok\u016f. Nap\u0159\u00edklad pro TLS m\u016f\u017ee p\u0159esm\u011brov\u00e1n\u00ed zajistit zes\u00edlen\u00ed a\u017e 60kr\u00e1t, proto\u017ee po\u010d\u00e1te\u010dn\u00ed \u017e\u00e1dost klienta je 500 bajt\u016f a odpov\u011b\u010f se certifik\u00e1tem je p\u0159ibli\u017en\u011b 30 kB. Generov\u00e1n\u00edm podobn\u00fdch po\u017eadavk\u016f v cyklu na v\u00edce klientsk\u00fdch syst\u00e9mech lze zp\u016fsobit vy\u010derp\u00e1n\u00ed dostupn\u00fdch s\u00ed\u0165ov\u00fdch zdroj\u016f serveru;\n<p><center><img decoding=\"async\" alt=\"HTTP hlavi\u010dka Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eita pro skenov\u00e1n\u00ed port\u016f intern\u00ed s\u00edt\u011b\" src=\"\/wp-content\/uploads\/2019\/08\/78f00dbe7eb06470e58eede203abb8e7.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<li class=\"l\"> Pro obch\u00e1zen\u00ed mechanism\u016f ochrany proti phishingu a malwarem, kter\u00e9 poskytuj\u00ed slu\u017eby jako Safe Browsing (p\u0159esm\u011brov\u00e1n\u00ed na \u0161kodliv\u00fd hostitel nezp\u016fsob\u00ed zobrazen\u00ed varov\u00e1n\u00ed);\n<li class=\"l\"> Pro sledov\u00e1n\u00ed pohybu u\u017eivatele. Podstatou metody je substituce iframe, odkazuj\u00edc\u00edho v Alt-Svc na extern\u00ed sledovac\u00ed mechanismus, jeho\u017e vol\u00e1n\u00ed prob\u00edh\u00e1 bez ohledu na zapnut\u00ed ochrann\u00fdch prost\u0159edk\u016f proti sledov\u00e1n\u00ed. Tak\u00e9 je mo\u017en\u00e9 sledov\u00e1n\u00ed na \u00farovni poskytovatel\u016f pou\u017eit\u00edm v Alt-Svc unik\u00e1tn\u00edho identifik\u00e1toru (n\u00e1hodn\u00e9 IP:port jako identifik\u00e1tor) s jeho n\u00e1slednou anal\u00fdzou v p\u0159enosov\u00e9m provozu;\n<p><center><img decoding=\"async\" alt=\"HTTP hlavi\u010dka Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eita pro skenov\u00e1n\u00ed port\u016f intern\u00ed s\u00edt\u011b\" src=\"\/wp-content\/uploads\/2019\/08\/a7d81a5066534a3f20ea54f874e9b475.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<center><img decoding=\"async\" alt=\"HTTP hlavi\u010dka Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eita pro skenov\u00e1n\u00ed port\u016f intern\u00ed s\u00edt\u011b\" src=\"\/wp-content\/uploads\/2019\/08\/be310d5a2a209f521dd257b3cb052757.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<li class=\"l\"> Pro z\u00edsk\u00e1n\u00ed informac\u00ed o historii pohybu. Vlo\u017een\u00ed iframe na svou str\u00e1nku s po\u017eadavkem na obr\u00e1zek z dan\u00e9ho webu pou\u017e\u00edvaj\u00edc\u00edho Alt-Svc a anal\u00fdzou stavu Alt-Svc v provozu m\u016f\u017ee \u00fato\u010dn\u00edk, kter\u00fd m\u00e1 mo\u017enost anal\u00fdzy p\u0159enosov\u00e9ho provozu, zjistit, \u017ee u\u017eivatel ji\u017e d\u0159\u00edve nav\u0161t\u00edvil uvedenou str\u00e1nku;\n<li class=\"l\"> Zam\u011b\u0159en\u00ed z\u00e1znam\u016f syst\u00e9m\u016f detekce vniknut\u00ed. P\u0159es Alt-Svc lze vyvolat vlnu po\u017eadavk\u016f na \u0161kodliv\u00e9 syst\u00e9my jm\u00e9nem u\u017eivatele a vytvo\u0159it dojem fale\u0161n\u00fdch \u00fatok\u016f, aby se skryla skute\u010dn\u00e1 \u00fatok v celkov\u00e9m objemu informac\u00ed.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51278\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0411\u043e\u0441\u0442\u043e\u043d\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-11728), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 IP-\u0430\u0434\u0440\u0435\u0441\u043e\u0432 \u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u043e\u0440\u0442\u043e\u0432 \u0432\u043e \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0441\u0435\u0442\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043e\u0442\u0433\u043e\u0440\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043e\u0442 \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u0441\u0435\u0442\u0438 \u043c\u0435\u0436\u0441\u0435\u0442\u0435\u0432\u044b\u043c \u044d\u043a\u0440\u0430\u043d\u043e\u043c, \u0438\u043b\u0438 \u043d\u0430 \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 (localhost). \u0410\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u0442\u0435\u0445\u043d\u0438\u043a\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430 Alt-Svc (HTTP Alternate Services, RFC-7838). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27822,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-37112","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0411\u043e\u0441\u0442\u043e\u043d\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-11728),\" \/>\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\/cs\/blog\/news\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a Alt-Svc \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u043e\u0432 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0441\u0435\u0442\u0438 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0411\u043e\u0441\u0442\u043e\u043d\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-11728),\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:15:49+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:15:49+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47HTTP z\u00e1hlav\u00ed Alt-Svc m\u016f\u017ee b\u00fdt pou\u017eito pro skenov\u00e1n\u00ed port\u016f vnit\u0159n\u00ed s\u00edt\u011b | ProHoster","description":"V\u00fdzkumn\u00edci z Bostonsk\u00e9 univerzity vyvinuli metodu \u00fatoku (CVE-2019-11728),","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a Alt-Svc \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u0440\u0442\u043e\u0432 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u0441\u0435\u0442\u0438 | ProHoster","og:description":"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0411\u043e\u0441\u0442\u043e\u043d\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-11728),","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/http-zagolovok-alt-svc-mozhet-primenyatsya-dlya-skanirovaniya-portov-vnutrennej-seti","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:15:49+00:00","article:modified_time":"2019-10-31T19:15:49+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"37112","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-22 06:09:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:33:24","updated":"2026-01-22 06:09:19","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=37112"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37112\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media\/27822"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=37112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=37112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=37112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}