{"id":103738,"date":"2022-04-08T15:36:50","date_gmt":"2022-04-08T13:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-9-0-s-perevodom-scp-na-protokol-sftp"},"modified":"2022-04-08T15:36:50","modified_gmt":"2022-04-08T13:36:50","slug":"reliz-openssh-9-0-s-perevodom-scp-na-protokol-sftp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/reliz-openssh-9-0-s-perevodom-scp-na-protokol-sftp","title":{"rendered":"Vydanie OpenSSH 9.0 s prevodom scp na protokol SFTP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol otvoren\u00fd release OpenSSH 9.0, otvorenej implement\u00e1cie klienta a servera pre pr\u00e1cu s protokolmi SSH 2.0 a SFTP. V novej verzii sa n\u00e1stroj scp predvolene prepnul na pou\u017e\u00edvanie SFTP namiesto zastaran\u00e9ho protokolu SCP\/RCP.       <\/p>\n<p>V SFTP sa pou\u017e\u00edvaj\u00fa predv\u00eddate\u013enej\u0161ie met\u00f3dy spracovania n\u00e1zvov a nevykon\u00e1va sa spracovanie glob-\u0161abl\u00f3n v n\u00e1zvoch s\u00faborov prostredn\u00edctvom shellu na strane in\u00e9ho hostite\u013ea, \u010do vytv\u00e1ra bezpe\u010dnostn\u00e9 probl\u00e9my. Predov\u0161etk\u00fdm pri pou\u017eit\u00ed SCP a RCP server rozhoduje o tom, ktor\u00e9 s\u00fabory a adres\u00e1re odosla\u0165 klientovi, zatia\u013e \u010do klient iba kontroluje spr\u00e1vnos\u0165 vr\u00e1ten\u00fdch n\u00e1zvov objektov, \u010do v pr\u00edpade nedostato\u010dn\u00fdch kontrol na strane klienta umo\u017e\u0148uje <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-shicago\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2910\">serveru<\/a> odosla\u0165 in\u00e9 n\u00e1zvy s\u00faborov, ktor\u00e9 sa l\u00ed\u0161ia od po\u017eadovan\u00fdch.     <\/p>\n<p>Protokol SFTP nem\u00e1 uveden\u00e9 probl\u00e9my, ale nepodporuje roz\u0161irovanie \u0161peci\u00e1lnych ciest, ako je \u201e~\/\u201c. Na odstr\u00e1nenie tohto rozdielu sa od OpenSSH 8.7 v implement\u00e1cii SFTP servera podporuje roz\u0161\u00edrenie protokolu \u201eexpand-path@openssh.com\u201c pre roz\u0161irovanie ciest ~\/ a ~user\/.     <\/p>\n<p>Pri pou\u017eit\u00ed SFTP sa pou\u017e\u00edvatelia m\u00f4\u017eu tie\u017e stretn\u00fa\u0165 s nekompatibilitou sp\u00f4sobenou potrebou dvojit\u00e9ho \u00faniku \u0161peci\u00e1lnych znakov odha\u013eovania ciest v po\u017eiadavk\u00e1ch SCP a RCP, aby sa predi\u0161lo ich interpret\u00e1cii na vzdialenej strane. V SFTP tak\u00e9to \u00faniky nie s\u00fa potrebn\u00e9 a nadbyto\u010dn\u00e9 \u00favodzovky m\u00f4\u017eu vies\u0165 k chyb\u00e1m pri prenose d\u00e1t. Pri tom v\u00fdvoj\u00e1ri OpenSSH odmietli prida\u0165 roz\u0161\u00edrenie na zopakovanie spr\u00e1vania scp v tomto pr\u00edpade, preto\u017ee dvojit\u00e9 \u00faniky sa pova\u017euj\u00fa za nedostatok, ktor\u00fd nem\u00e1 zmysel opakova\u0165.    <\/p>\n<p>\u010eal\u0161ie zmeny v novej verzii:  <\/p>\n<ul>\n<li class=\"l\"> V ssh a sshd je predvolene zapnut\u00fd hybridn\u00fd algoritmus v\u00fdmeny k\u013e\u00fa\u010dov \u201esntrup761x25519-sha512@openssh.com\u201c (ECDH\/x25519 + NTRU Prime), ktor\u00fd je odoln\u00fd vo\u010di \u00fatokom na kvantov\u00fdch po\u010d\u00edta\u010doch a je skombinovan\u00fd s ECDH\/x25519 na zablokovanie mo\u017en\u00fdch probl\u00e9mov v NTRU Prime, ktor\u00e9 sa m\u00f4\u017eu objavi\u0165 v bud\u00facnosti. V zozname KexAlgorithms, ktor\u00fd ur\u010duje poradie v\u00fdberu met\u00f3d v\u00fdmeny k\u013e\u00fa\u010dov, je uveden\u00fd algoritmus teraz na prvom mieste a m\u00e1 vy\u0161\u0161iu prioritu ako algoritmy ECDH a DH.\n<p>Kvantov\u00e9 po\u010d\u00edta\u010de e\u0161te nedosiahli \u00farove\u0148, ktor\u00e1 by umo\u017enila prelomi\u0165 tradi\u010dn\u00e9 k\u013e\u00fa\u010de, ale pou\u017eitie hybridnej ochrany zabezpe\u010d\u00ed pou\u017e\u00edvate\u013eov pred \u00fatokmi, ktor\u00e9 sa sp\u00e1jaj\u00fa so zachyten\u00fdmi SSH rel\u00e1ciami s n\u00e1dejou, \u017ee ich bude mo\u017en\u00e9 de\u0161ifrova\u0165 v bud\u00facnosti, ke\u010f bud\u00fa dostupn\u00e9 potrebn\u00e9 kvantov\u00e9 po\u010d\u00edta\u010de.    <\/p>\n<li class=\"l\"> V sftp-serveri bolo pridan\u00e9 roz\u0161\u00edrenie \u201ecopy-data\u201c, ktor\u00e9 umo\u017e\u0148uje kop\u00edrova\u0165 d\u00e1ta na strane servera bez prechodn\u00e9ho zasielania klientovi, ak sa p\u00f4vodn\u00fd a cie\u013eov\u00fd s\u00fabor nach\u00e1dzaj\u00fa na jednom <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-newyork\/\"   title=\"serveri\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2706\">serveri<\/a>.\n<li class=\"l\"> Do utilitiy sftp bola pridan\u00e1 pr\u00edkaz \u201ecp\u201c na iniciovanie kop\u00edrovania s\u00faborov na strane servera klientom.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56991\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 9.0, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c SSH 2.0 \u0438 SFTP. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u0430 scp \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 SFTP \u0432\u043c\u0435\u0441\u0442\u043e \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0435\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SCP\/RCP. \u0412 SFTP \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438\u043c\u0451\u043d \u0438 \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 glob-\u0448\u0430\u0431\u043b\u043e\u043d\u043e\u0432 \u0432 \u0438\u043c\u0435\u043d\u0430\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 shell \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0434\u0440\u0443\u0433\u043e\u0433\u043e \u0445\u043e\u0441\u0442\u0430, \u0441\u043e\u0437\u0434\u0430\u044e\u0449\u0430\u044f [&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-103738","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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