{"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\/ro\/blog\/news\/reliz-openssh-9-0-s-perevodom-scp-na-protokol-sftp","title":{"rendered":"Lansarea OpenSSH 9.0 cu transferul scp la protocolul SFTP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost lansat\u0103 versiunea OpenSSH 9.0, o implementare deschis\u0103 a clientului \u0219i serverului pentru lucrul cu protocoalele SSH 2.0 \u0219i SFTP. \u00cen aceast\u0103 nou\u0103 versiune, utilitarul scp a fost setat implicit s\u0103 utilizeze SFTP \u00een locul protocolului \u00eenvechit SCP\/RCP.       <\/p>\n<p>SFTP utilizeaz\u0103 metode de procesare a numelui mai previzibile \u0219i nu folose\u0219te procesarea glob a fi\u0219ierelor prin shell pe partea cealalt\u0103 a gazdei, ceea ce creeaz\u0103 probleme de securitate. \u00cen special, \u00een cazul utiliz\u0103rii SCP \u0219i RCP, serverul decide ce fi\u0219iere \u0219i directoare s\u0103 trimit\u0103 clientului, iar clientul verific\u0103 doar corectitudinea numelui obiectelor returnate, ceea ce, \u00een absen\u021ba verific\u0103rilor adecvate pe partea clientului, permite <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-shicago\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2910\">server<\/a> transmiterea altor nume de fi\u0219iere, diferite de cele solicitate.     <\/p>\n<p>Protocolul SFTP nu are problemele men\u021bionate, dar nu suport\u0103 expansiunea c\u0103ilor speciale, cum ar fi \u00ab~\/\u00bb. Pentru a remedia aceast\u0103 diferen\u021b\u0103, \u00eencep\u00e2nd cu OpenSSH 8.7, implementarea serverului SFTP suport\u0103 extensia protocolului \u00abexpand-path@openssh.com\u00bb pentru expansiunea c\u0103ilor ~\/ \u0219i ~user\/.     <\/p>\n<p>La utilizarea SFTP, utilizatorii se pot confrunta, de asemenea, cu incompatibilitate, cauzat\u0103 de necesitatea de a face dubl\u0103 escapare a caracterelor speciale \u00een c\u0103ile \u00een cererile SCP \u0219i RCP, pentru a preveni interpretarea lor pe partea \u00eendep\u0103rtat\u0103. \u00cen SFTP, aceast\u0103 escapare nu este necesar\u0103, iar ghilimelele suplimentare pot conduce la o eroare \u00een transmiterea datelor. \u00cen acest sens, dezvoltatorii OpenSSH au renun\u021bat la ad\u0103ugarea unei extensii pentru a repeta comportamentul scp \u00een acest caz, deoarece dublarea escap\u0103rii este considerat\u0103 un defect care nu are sens s\u0103 fie repetat.    <\/p>\n<p>Alte modific\u0103ri \u00een noua versiune:  <\/p>\n<ul>\n<li class=\"l\"> \u00cen ssh \u0219i sshd, algoritmul hibrid de schimb de chei \u00absntrup761x25519-sha512@openssh.com\u00bb (ECDH\/x25519 + NTRU Prime) este activat implicit, fiind rezistent la atacurile cu computere cuantice \u0219i combinat cu ECDH\/x25519 pentru a bloca problemele poten\u021biale \u00een NTRU Prime, care ar putea ap\u0103rea \u00een viitor. Algoritmul men\u021bionat este acum plasat pe prima pozi\u021bie \u00een lista KexAlgorithms, care determin\u0103 ordinea alegerii metodelor de schimb de chei, fiind mai prioritizat dec\u00e2t algoritmii ECDH \u0219i DH.\n<p>Calculatoarele cuantice nu au atins \u00eenc\u0103 un nivel care s\u0103 permit\u0103 spargerea cheilor tradi\u021bionale, dar aplicarea protec\u021biei hibride va permite protejarea utilizatorilor \u00eempotriva atacurilor legate de p\u0103strarea sesiunilor SSH interceptate, cu speran\u021ba c\u0103 acestea vor putea fi decriptate \u00een viitor, atunci c\u00e2nd vor ap\u0103rea calculatoarele cuantice necesare.    <\/p>\n<li class=\"l\"> \u00cen sftp-server a fost ad\u0103ugat\u0103 extensia \u00abcopy-data\u00bb, care permite copierea datelor pe partea serverului, f\u0103r\u0103 a le trimite clientului \u00een tranzit, dac\u0103 fi\u0219ierul surs\u0103 \u0219i cel \u021bint\u0103 se afl\u0103 pe acela\u0219i. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2706\">server<\/a>.\n<li class=\"l\"> \u00cen utilitarul sftp a fost ad\u0103ugat\u0103 comanda \u00abcp\u00bb pentru a ini\u021bia din partea clientului copierea fi\u0219ierelor pe partea serverului.    <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56991\">opennet.ro<\/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\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d 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