{"id":101168,"date":"2021-09-02T10:23:16","date_gmt":"2021-09-02T08:23:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git"},"modified":"2021-09-02T10:23:16","modified_gmt":"2021-09-02T08:23:16","slug":"github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git","title":{"rendered":"GitHub uvodi nove zahtjeve za daljinsko povezivanje na Git","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

GitHub je najavio uvo\u0111enje promjena u servis vezanih uz ja\u010danje za\u0161tite Git protokola, koji se koristi tijekom izvr\u0161avanja git push i git pull operacija putem SSH-a ili \u201egit:\/\/\u201d sheme (promjene se ne\u0107e dotaknuti pristupa putem https:\/\/). Nakon \u0161to promjene stupe na snagu, za povezivanje s GitHub-om putem SSH-a bit \u0107e potrebna minimalno OpenSSH verzija 7.2 (objavljena 2016. godine) ili PuTTY verzija 0.75 (objavljena u svibnju ove godine). Na primjer, kompatibilnost s SSH klijentom iz CentOS 6 i Ubuntu 14.04 bit \u0107e prekinuta, a podr\u0161ka za njih je ve\u0107 okon\u010dana. <\/p>\n

Promjene se svode na prestanak podr\u0161ke za ne\u0161ifrirane pozive na Git (putem \u201egit:\/\/\u201d) i ja\u010danje zahtjeva za SSH klju\u010devima koji se koriste prilikom pozivanja GitHub-a. GitHub \u0107e prekinuti podr\u0161ku za sve DSA klju\u010deve i zastarjele SSH algoritme, kao \u0161to su CBC \u0161ifri (aes256-cbc, aes192-cbc, aes128-cbc) i HMAC-SHA-1. Osim toga, uvode se dodatni zahtjevi za nove RSA klju\u010deve (primjena SHA-1 bit \u0107e zabranjena) i omogu\u0107ena je podr\u0161ka za host klju\u010deve ECDSA i Ed25519. <\/p>\n

Promjene \u0107e se provoditi postupno. 14. rujna bit \u0107e generirani novi host klju\u010devima ECDSA i Ed25519. 2. studenog prestat \u0107e podr\u0161ka za nove RSA klju\u010deve temeljene na SHA-1 (ranije generirani klju\u010devi nastavljaju raditi). 16. studenog prestat \u0107e podr\u0161ka za host klju\u010deve temeljenim na DSA algoritmu. 11. sije\u010dnja 2022. godine, kao eksperiment, privremeno \u0107e biti obustavljena podr\u0161ka za stare SSH algoritme i mogu\u0107nost pristupa bez \u0161ifriranja. 15. o\u017eujka podr\u0161ka za stare algoritme bit \u0107e kona\u010dno isklju\u010dena. <\/p>\n

Dodatno, napominjemo da je u OpenSSH kodnu bazu uvedena promjena koja po defaultu onemogu\u0107ava obradu RSA klju\u010deva temeljenih na SHA-1 (\u201essh-rsa\u201d). Podr\u0161ka za RSA klju\u010deve s hash-om SHA-256 i SHA-512 (rsa-sha2-256\/512) ostaje nepromijenjena. Prestanak podr\u0161ke za klju\u010deve \u201essh-rsa\u201d povezan je s pove\u0107anjem efikasnosti kolizijskih napada s unaprijed odre\u0111enim prefiksima (tro\u0161ak pronala\u017eenja kolizije procijenjuje se na pribli\u017eno 50 tisu\u0107a dolara). Za provjeru primjene ssh-rsa u svojim sustavima, mo\u017eete isprobati povezivanje putem ssh s opcijom \u201e-oHostKeyAlgorithms=-ssh-rsa\u201d.
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

GitHub \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043b \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u0435 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u0449\u0438\u0442\u044b \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Git, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 git push \u0438 git pull \u0447\u0435\u0440\u0435\u0437 SSH \u0438\u043b\u0438 \u0441\u0445\u0435\u043c\u0443 «git:\/\/» (\u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 https:\/\/ \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0435 \u043a\u043e\u0441\u043d\u0443\u0442\u0441\u044f). \u041f\u043e\u0441\u043b\u0435 \u043d\u0430\u0447\u0430\u043b\u0430 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a GitHub \u043f\u043e SSH \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c OpenSSH \u0432\u0435\u0440\u0441\u0438\u0438 7.2 (\u0432\u044b\u043f\u0443\u0449\u0435\u043d \u0432 2016 \u0433\u043e\u0434\u0443) \u0438\u043b\u0438 PuTTY 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