{"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\/nl\/blog\/news\/reliz-openssh-9-0-s-perevodom-scp-na-protokol-sftp","title":{"rendered":"Uitgave van OpenSSH 9.0 met migratie van scp naar het SFTP-protocol","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De release van OpenSSH 9.0 is gepresenteerd, een open-source implementatie van een client en server voor de protocollen SSH 2.0 en SFTP. In de nieuwe versie is het hulpprogramma scp standaard overgeschakeld naar het gebruik van SFTP in plaats van het verouderde SCP\/RCP-protocol.       <\/p>\n<p>In SFTP worden voorspelbaardere methoden voor het verwerken van namen toegepast en wordt de verwerking van glob-sjablonen in bestandsnamen via de shell op de andere host niet gebruikt, wat beveiligingsproblemen cre\u00ebert. In het bijzonder, bij het gebruik van SCP en RCP, beslist de server welke bestanden en mappen naar de client worden gestuurd, terwijl de client alleen de juistheid van de ontvangen objectnamen controleert, wat in het geval van onvoldoende controles aan de clientzijde kan leiden tot <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-shicago\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2910\">server<\/a> de overdracht van andere bestandsnamen dan de gevraagde.     <\/p>\n<p>Het SFTP-protocol heeft de genoemde problemen niet, maar ondersteunt geen uitbreiding van speciale paden zoals \u00ab~\/\u00bb. Om dit onderscheid te verhelpen, ondersteunt de SFTP-serverimplementatie, te beginnen met OpenSSH 8.7, de protocoluitbreiding \u00abexpand-path@openssh.com\u00bb voor het onthullen van paden ~\/ en ~user\/.     <\/p>\n<p>Bij het gebruik van SFTP kunnen gebruikers ook incompatibiliteitsproblemen tegenkomen, veroorzaakt door de noodzaak van dubbele escaping van speciale karakters in pad-onthulling in SCP- en RCP-aanvragen, om hun interpretatie aan de remote zijde te voorkomen. In SFTP is dergelijke escaping niet vereist en overbodige aanhalingstekens kunnen leiden tot gegevensoverdrachtsfouten. Desondanks hebben de ontwikkelaars van OpenSSH ervoor gekozen om geen extensie toe te voegen om dit gedrag van scp in dit geval te herhalen, aangezien dubbele escaping wordt beschouwd als een tekortkoming die niet herhaald hoeft te worden.    <\/p>\n<p>Andere veranderingen in deze nieuwe release:  <\/p>\n<ul>\n<li class=\"l\"> In ssh en sshd is standaard de hybride sleuteluitwisselingsalgoritme \u00absntrup761x25519-sha512@openssh.com\u00bb (ECDH\/x25519 + NTRU Prime) ingeschakeld, dat bestand is tegen de kraak van kwantumcomputers en gecombineerd is met ECDH\/x25519 om mogelijke problemen in NTRU Prime die in de toekomst kunnen opduiken te blokkeren. In de lijst KexAlgorithms, die de volgorde van sleuteluitwisselingsmethoden bepaalt, staat het genoemde algoritme nu op de eerste plaats en heeft het een hogere prioriteit dan de algoritmen ECDH en DH.\n<p>Quantumcomputers hebben nog niet het niveau bereikt waarop ze traditionele sleutels kunnen kraken, maar de toepassing van hybride beveiliging zal gebruikers beschermen tegen aanvallen die verband houden met het opslaan van onderschepte SSH-sessies in de hoop dat ze in de toekomst kunnen worden ontsleuteld wanneer de benodigde quantumcomputers beschikbaar zijn.    <\/p>\n<li class=\"l\"> In sftp-server is de uitbreiding \u00abcopy-data\u00bb toegevoegd, die het mogelijk maakt om gegevens aan de serverzijde te kopi\u00ebren zonder dat deze naar de client worden verzonden, zolang het oorspronkelijke en doelbestand zich op dezelfde plek bevinden. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-newyork\/\"   title=\"de server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2706\">de server<\/a>.\n<li class=\"l\"> In de sftp-tool is de opdracht \u00abcp\u00bb toegevoegd om de client in staat te stellen bestanden aan de serverzijde te kopi\u00ebren.    <\/ul>\n<p>Bron: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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