{"id":16101,"date":"2024-11-12T14:27:23","date_gmt":"2024-11-12T19:27:23","guid":{"rendered":"https:\/\/carleton.ca\/scs\/?p=16101"},"modified":"2026-06-02T14:59:35","modified_gmt":"2026-06-02T18:59:35","slug":"ssh-error-too-many-authentication-requests","status":"publish","type":"post","link":"https:\/\/carleton.ca\/scs\/2024\/ssh-error-too-many-authentication-requests\/","title":{"rendered":"ssh error: too many authentication requests"},"content":{"rendered":"\n<section class=\"w-screen px-6 cu-section cu-section--white ml-offset-center md:px-8 lg:px-14\">\n    <div class=\"space-y-6 cu-max-w-child-5xl  md:space-y-10 cu-prose-first-last\">\n\n            <div class=\"cu-textmedia flex flex-col lg:flex-row mx-auto gap-6 md:gap-10 my-6 md:my-12 first:mt-0 max-w-5xl\">\n        <div class=\"justify-start cu-textmedia-content cu-prose-first-last\" style=\"flex: 0 0 100%;\">\n            <header class=\"font-light prose-xl cu-pageheader md:prose-2xl cu-component-updated cu-prose-first-last\">\n                                    <h1 class=\"cu-prose-first-last font-semibold !mt-2 mb-4 md:mb-6 relative after:absolute after:h-px after:bottom-0 after:bg-cu-red after:left-px text-3xl md:text-4xl lg:text-5xl lg:leading-[3.5rem] pb-5 after:w-10 text-cu-black-700 not-prose\">\n                        ssh error: too many authentication requests\n                    <\/h1>\n                \n                                \n                            <\/header>\n\n                    <\/div>\n\n            <\/div>\n\n    <\/div>\n<\/section>\n\n<p>When ssh&#8217;ing to <a href=\"https:\/\/carleton.ca\/scs\/tech-support\/scs-external-access-host\/\" target=\"_blank\" rel=\"noopener noreferrer\">access.scs.carleton.ca<\/a> you may receive the error:<\/p>\n\n\n\n<p><code>Received disconnect: Too many authentication failures<br>\nDisconnected<\/code><\/p>\n\n\n\n<p>There are at least two reasons for this message. If you provide a wrong password multiple times within a short period of time, it may be locked out &#8211; you will have to wait and then try again.This allows SCS to protect our hosts from outside attacks &#8211; if you still have an issue please <a href=\"https:\/\/carleton.ca\/scs\/tech-support\/contact-it-support\/\">contact SCS Technical Staff<\/a>.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>You may have an ssh key that triggers this warning. In this case try ssh using this option: -o PreferredAuthentications=password so the ssh command would look like:<\/p>\n\n\n\n<p><code>ssh -o PreferredAuthentications=password access.scs.carleton.ca<\/code><\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When ssh&#8217;ing to access.scs.carleton.ca you may receive the error: Received disconnect: Too many authentication failures Disconnected There are at least two reasons for this message. If you provide a wrong password multiple times within a short period of time, it may be locked out &#8211; you will have to wait and then try again.This allows [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[99],"tags":[],"class_list":["post-16101","post","type-post","status-publish","format-standard","hentry","category-ssh"],"acf":{"cu_post_thumbnail":""},"_links":{"self":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/posts\/16101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/comments?post=16101"}],"version-history":[{"count":1,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/posts\/16101\/revisions"}],"predecessor-version":[{"id":16102,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/posts\/16101\/revisions\/16102"}],"wp:attachment":[{"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/media?parent=16101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/categories?post=16101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/carleton.ca\/scs\/wp-json\/wp\/v2\/tags?post=16101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}