{"id":37542,"date":"2022-11-02T15:20:15","date_gmt":"2022-11-02T19:20:15","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=37542"},"modified":"2022-12-01T15:35:58","modified_gmt":"2022-12-01T20:35:58","slug":"ventura-drops-older-ssh-support","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2022\/11\/02\/ventura-drops-older-ssh-support\/","title":{"rendered":"Ventura Drops Older SSH Support"},"content":{"rendered":"<p><a href=\"https:\/\/richsitblog.com\/index.php\/2022\/10\/28\/ssh-problems-after-macos-13-ventura-upgrade\/\">Richard Staats<\/a> (via <a href=\"https:\/\/twitter.com\/cstross\/status\/1587457864712568835\">Charlie Stross<\/a>):<\/p>\n<blockquote cite=\"https:\/\/richsitblog.com\/index.php\/2022\/10\/28\/ssh-problems-after-macos-13-ventura-upgrade\/\"><p>The reason for this issue is that MacOS 13 ships with OpenSSH_9.0p1 which has disabled RSA signatures on SHA-1 hash algorithms. If upgrading OpenSSH on the server and\/or regenerating your SSH key isn&rsquo;t an option you can workaround this issue by adding the following to your <tt>~\/.ssh\/config<\/tt> file[&#8230;]<\/p><\/blockquote>\n\n<p id=\"ventura-drops-older-ssh-support-update-2022-12-01\">Update (2022-12-01): <a href=\"https:\/\/www.arqbackup.com\/blog\/arq-sftp-and-macos-ventura\/\">Stefan Reitshamer<\/a>:<\/p>\n<blockquote cite=\"https:\/\/www.arqbackup.com\/blog\/arq-sftp-and-macos-ventura\/\">\n<p>If you&rsquo;re using Arq 7 to connect to a macOS Ventura SFTP server and you&rsquo;re getting the error &ldquo;Username\/PublicKey combination invalid&rdquo;, it may be due to Ventura&rsquo;s upgrade to OpenSSH 9.1.<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Richard Staats (via Charlie Stross): The reason for this issue is that MacOS 13 ships with OpenSSH_9.0p1 which has disabled RSA signatures on SHA-1 hash algorithms. If upgrading OpenSSH on the server and\/or regenerating your SSH key isn&rsquo;t an option you can workaround this issue by adding the following to your ~\/.ssh\/config file[&#8230;] Update (2022-12-01): [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"2022-11-02T19:20:17Z","apple_news_api_id":"11af0912-dba9-4628-b2af-8450fadbbd72","apple_news_api_modified_at":"2022-12-01T20:36:00Z","apple_news_api_revision":"AAAAAAAAAAAAAAAAAAAAAA==","apple_news_api_share_url":"https:\/\/apple.news\/AEa8JEtupRiiyr4RQ-tu9cg","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[30,2223,48,506],"class_list":["post-37542","post","type-post","status-publish","format-standard","hentry","category-technology","tag-mac","tag-macos-13-ventura","tag-security","tag-ssh"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/37542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=37542"}],"version-history":[{"count":2,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/37542\/revisions"}],"predecessor-version":[{"id":37784,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/37542\/revisions\/37784"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=37542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=37542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=37542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}