{"id":38754,"date":"2019-10-31T22:25:45","date_gmt":"2019-10-31T19:25:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-openssh-8-1\/"},"modified":"2019-10-31T22:25:45","modified_gmt":"2019-10-31T19:25:45","slug":"reliz-openssh-8-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/reliz-openssh-8-1","title":{"rendered":"L\u00ebshimi i OpenSSH 8.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Pas gjasht\u00eb muajve zhvillimi <noindex><a rel=\"nofollow\" href=\"http:\/\/lists.mindrot.org\/pipermail\/openssh-unix-dev\/2019-October\/037966.html\">u paraqit<\/a><\/noindex> l\u00ebshimi <noindex><a rel=\"nofollow\" href=\"http:\/\/www.openssh.com\/\">OpenSSH 8.1<\/a><\/noindex>, implementimi t\u00eb hapur t\u00eb klientit dhe serverit p\u00ebr pun\u00eb sipas protokolleve SSH 2.0 dhe SFTP. <\/p>\n<p>Nj\u00eb v\u00ebmendje t\u00eb ve\u00e7ant\u00eb n\u00eb k\u00ebt\u00eb l\u00ebshim merret p\u00ebr eliminimin e nj\u00eb dob\u00ebsie, q\u00eb prek ssh, sshd, ssh-add dhe ssh-keygen. Problemi \u00ebsht\u00eb i pranish\u00ebm n\u00eb kodin e analiz\u00ebs s\u00eb \u00e7el\u00ebsave privat\u00eb me lloj XMSS dhe lejon nj\u00eb sulmues t\u00eb inicioj\u00eb mbushje me numra t\u00eb plota. Dob\u00ebsia \u00ebsht\u00eb e sh\u00ebnuar si e shfryt\u00ebzueshme, por me p\u00ebrdorim t\u00eb ul\u00ebt, pasi mb\u00ebshtetje p\u00ebr \u00e7el\u00ebsat XMSS i takon mund\u00ebsive eksperimentale, t\u00eb cilat jan\u00eb t\u00eb \u00e7aktivizuara si parazgjedhje (n\u00eb versionin portativ n\u00eb autoconf nuk \u00ebsht\u00eb parashikuar as opsioni i nd\u00ebrtimit p\u00ebr aktivizimin e XMSS).<\/p>\n<p>Ndryshimet kryesore: <\/p>\n<ul>\n<li class=\"l\"> N\u00eb ssh, sshd dhe ssh-agent <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50929\">\u00ebsht\u00eb shtuar<\/a><\/noindex> kod, pengues p\u00ebr rikthimin e \u00e7el\u00ebsit privat, q\u00eb ndodhet n\u00eb memorie, si rezultat i sulmeve p\u00ebrmes kanaleve an\u00ebsore, si\u00e7 jan\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47856\">Spectre, Meltdown<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=41340\">RowHammer<\/a><\/noindex> dhe <noindex><a rel=\"nofollow\" href=\"https:\/\/rambleed.com\/\">RAMBleed<\/a><\/noindex>. \u00c7el\u00ebsat privat\u00eb tani enkriptohen kur ngarkohen n\u00eb memorie dhe dekriptohen vet\u00ebm gjat\u00eb momenteve t\u00eb p\u00ebrdorimit, duke mbetur t\u00eb enkriptuar n\u00eb koh\u00ebn tjet\u00ebr. Me nj\u00eb qasje t\u00eb till\u00eb, p\u00ebr rikthimin e suksessh\u00ebm t\u00eb \u00e7el\u00ebsit privat, nj\u00eb sulmuesi i k\u00ebrkohet t\u00eb rikthej\u00eb m\u00eb par\u00eb nj\u00eb \u00e7el\u00ebs nd\u00ebrmjet\u00ebs t\u00eb rastit t\u00eb gjeneruar me madh\u00ebsi 16 KB, q\u00eb p\u00ebrdoret p\u00ebr enkriptimin e \u00e7el\u00ebsit kryesor, gj\u00eb q\u00eb \u00ebsht\u00eb e paimagjinueshme n\u00eb frekuenc\u00ebn e gabimeve t\u00eb rikthimit q\u00eb i p\u00ebrkasin sulmeve moderne;\n<li class=\"l\"> N\u00eb  <noindex><a rel=\"nofollow\" href=\"https:\/\/man.openbsd.org\/ssh-keygen.1\">ssh-keygen<\/a><\/noindex>  \u00ebsht\u00eb shtuar mb\u00ebshtetje eksperimentale p\u00ebr nj\u00eb skem\u00eb t\u00eb thjeshtuar t\u00eb krijimit dhe verifikimit t\u00eb n\u00ebnshkrimeve digjitale. N\u00ebnshkrimet digjitale mund t\u00eb krijohen duke p\u00ebrdorur \u00e7el\u00ebsa t\u00eb zakonsh\u00ebm SSH, t\u00eb ruajtur n\u00eb disk ose n\u00eb ssh-agent, dhe t\u00eb verifikohen me p\u00ebrdorimin e nj\u00eb liste t\u00eb ngjashme me authorized_keys <noindex><a rel=\"nofollow\" href=\"https:\/\/man.openbsd.org\/ssh-keygen.1#ALLOWED_SIGNERS\">liste e \u00e7el\u00ebsave t\u00eb pranuesh\u00ebm<\/a><\/noindex>. N\u00eb n\u00ebnshkrimin digjital inkorporohet informacioni mbi hap\u00ebsir\u00ebn em\u00ebrore p\u00ebr t\u00eb shmangur konfuzionin gjat\u00eb aplikimit n\u00eb fusha t\u00eb ndryshme (p.sh., p\u00ebr email dhe skedar\u00eb);\n<li class=\"l\"> ssh-keygen \u00ebsht\u00eb vendosur p\u00ebr t\u00eb p\u00ebrdorur algoritmin rsa-sha2-512 p\u00ebr n\u00ebnshkrimin e certifikatave me n\u00ebnshkrimin dixhital t\u00eb bazuar n\u00eb \u00e7el\u00ebsin RSA (n\u00eb modin CA). Certifikatat e tilla nuk jan\u00eb t\u00eb kompatibilshme me versionet p\u00ebrpara OpenSSH 7.2 (p\u00ebr t\u00eb siguruar kompatibilitetin, duhet t\u00eb ri-perkufizohet lloji i algoritmit, p\u00ebr shembull p\u00ebrmes thirrjes \u201essh-keygen -t ssh-rsa -s ...\u201c);\n<li class=\"l\"> N\u00eb ssh, shprehja ProxyCommand implementon mb\u00ebshtetje p\u00ebr zbulimin e z\u00ebvend\u00ebsimit \u201e%n\u201c (emri i hostit i specifikuar n\u00eb rrug\u00ebn e adres\u00ebs);\n<li class=\"l\"> N\u00eb listat e algoritm\u00ebve t\u00eb enkriptimit p\u00ebr ssh dhe sshd, p\u00ebr memashtimin e algoritm\u00ebve t\u00eb propozuar si default tani mund t\u00eb p\u00ebrdoret simboli \u201e^\u201c. P\u00ebr shembull, p\u00ebr t\u00eb shtuar ssh-ed25519 n\u00eb list\u00ebn standarde mund t\u00eb specifikohet \u201eHostKeyAlgorithms ^ssh-ed25519\u201c;\n<li class=\"l\"> N\u00eb ssh-keygen \u00ebsht\u00eb siguruar dalja e komentit t\u00eb lidhur me \u00e7el\u00ebsin gjat\u00eb nxjerrjes s\u00eb \u00e7el\u00ebsit publik nga ai privat;\n<li class=\"l\"> N\u00eb ssh-keygen \u00ebsht\u00eb shtuar mund\u00ebsia e p\u00ebrdorimit t\u00eb flagut \u201e-v\u201c gjat\u00eb kryerjes s\u00eb operacioneve t\u00eb k\u00ebrkimit t\u00eb \u00e7el\u00ebsave (p\u00ebr shembull, \u201essh-keygen -vF host\u201c), e cila shkakton q\u00eb t\u00eb shfaqet nj\u00eb n\u00ebnshkrim vizual i hostit;\n<li class=\"l\"> Shtohet mund\u00ebsia e p\u00ebrdorimit t\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/PKCS_8\">PKCS8<\/a><\/noindex> si nj\u00eb format alternativ p\u00ebr ruajtjen e \u00e7el\u00ebsave privat\u00eb n\u00eb disk. Si parazgjedhje, formati PEM vazhdon t\u00eb p\u00ebrdoret, nd\u00ebrsa PKCS8 mund t\u00eb jet\u00eb i dobish\u00ebm p\u00ebr arritjen e kompatibilitetit me aplikacione t\u00eb jashtme.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Burimi: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51640\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.1, \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. \u041e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0435\u0442 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0435\u0439 ssh, sshd, ssh-add \u0438 ssh-keygen. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043a\u043e\u0434\u0435 \u043f\u0430\u0440\u0441\u0438\u043d\u0433\u0430 \u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u043a\u043b\u044e\u0447\u0435\u0439 \u0441 \u0442\u0438\u043f\u043e\u043c XMSS \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u043e\u0435 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0442\u043c\u0435\u0447\u0435\u043d\u0430 \u043a\u0430\u043a \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\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-38754","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One 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