{"id":4580,"date":"2023-02-10T15:04:48","date_gmt":"2023-02-10T09:34:48","guid":{"rendered":"https:\/\/trysiteprice.com\/blog\/?p=4580"},"modified":"2024-07-03T15:40:21","modified_gmt":"2024-07-03T10:10:21","slug":"linux-unix-disable-openssh-host-key-checking","status":"publish","type":"post","link":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/","title":{"rendered":"Linux \/ Unix: Disable OpenSSH Host Key Checking"},"content":{"rendered":"<p>In OpenSSH, host key checking is a security feature that is enabled by default. It prevents man-in-the-middle attacks by verifying that the server you are connecting to is the one you intended to connect to, by checking its host key against the list of known host keys stored in your local machine.<\/p>\n<p>However, in some cases, you may want to disable host key checking temporarily, for example, when testing a new connection to a remote server. To disable host key checking, you can use the <code>StrictHostKeyChecking<\/code> option in the <code>ssh<\/code> configuration file, which is usually located at <code>~\/.ssh\/config<\/code>:<\/p>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-markdown\">Host *<br \/>\n<span class=\"hljs-code\">    StrictHostKeyChecking no<br \/>\n<\/span><\/code><\/div>\n<\/div>\n<p>Alternatively, you can pass the <code>-o StrictHostKeyChecking=no<\/code> option on the command line when connecting to a remote server using <code>ssh<\/code>:<\/p>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-perl\">ssh -o StrictHostKeyChecking=<span class=\"hljs-keyword\">no<\/span> user@host<br \/>\n<\/code><\/div>\n<\/div>\n<p>Note that disabling host key checking is not recommended in production environments, as it can leave you vulnerable to man-in-the-middle attacks. Instead, you should consider adding the host key of the remote server to your known hosts file (<code>~\/.ssh\/known_hosts<\/code>) or verify the host key fingerprint manually before connecting to the remote server for the first time.<\/p>\n<p>(<a href=\"https:\/\/www.colburnschool.edu\/canadian-pharmacy-ltd\/\">https:\/\/www.colburnschool.edu\/<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In OpenSSH, host key checking is a security feature that is enabled by default. It prevents man-in-the-middle attacks by verifying that the server you are connecting to is the one you intended to connect to, by checking its host key against the list of known host keys stored in your local machine. However, in some &#8230; <a title=\"Linux \/ Unix: Disable OpenSSH Host Key Checking\" class=\"read-more\" href=\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\" aria-label=\"Read more about Linux \/ Unix: Disable OpenSSH Host Key Checking\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4580","post","type-post","status-publish","format-standard","hentry","category-best-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice\" \/>\n<meta property=\"og:description\" content=\"In OpenSSH, host key checking is a security feature that is enabled by default. It prevents man-in-the-middle attacks by verifying that the server you are connecting to is the one you intended to connect to, by checking its host key against the list of known host keys stored in your local machine. However, in some ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\" \/>\n<meta property=\"og:site_name\" content=\"TrySitePrice\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-10T09:34:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-03T10:10:21+00:00\" \/>\n<meta name=\"author\" content=\"Rahul Sahu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\"},\"author\":{\"name\":\"Rahul Sahu\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/358e04eeea4281deacad2f30c58e67f4\"},\"headline\":\"Linux \/ Unix: Disable OpenSSH Host Key Checking\",\"datePublished\":\"2023-02-10T09:34:48+00:00\",\"dateModified\":\"2024-07-03T10:10:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\"},\"wordCount\":178,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/#organization\"},\"articleSection\":[\"Best\/Tutorial\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\",\"url\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\",\"name\":\"Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice\",\"isPartOf\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/#website\"},\"datePublished\":\"2023-02-10T09:34:48+00:00\",\"dateModified\":\"2024-07-03T10:10:21+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/trysiteprice.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Linux \/ Unix: Disable OpenSSH Host Key Checking\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#website\",\"url\":\"https:\/\/trysiteprice.com\/blog\/\",\"name\":\"TrySitePrice\",\"description\":\"Free Website Value Calculator Tool\",\"publisher\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/trysiteprice.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#organization\",\"name\":\"TrySitePrice\",\"url\":\"https:\/\/trysiteprice.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/trysiteprice.com\/blog\/wp-content\/uploads\/2021\/12\/cropped-trysiteprice-logo.png\",\"contentUrl\":\"https:\/\/trysiteprice.com\/blog\/wp-content\/uploads\/2021\/12\/cropped-trysiteprice-logo.png\",\"width\":395,\"height\":268,\"caption\":\"TrySitePrice\"},\"image\":{\"@id\":\"https:\/\/trysiteprice.com\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/358e04eeea4281deacad2f30c58e67f4\",\"name\":\"Rahul Sahu\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/51f0f95f7b95665f62baed2211572165?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/51f0f95f7b95665f62baed2211572165?s=96&d=mm&r=g\",\"caption\":\"Rahul Sahu\"},\"sameAs\":[\"https:\/\/trysiteprice.com\/blog\"],\"url\":\"https:\/\/trysiteprice.com\/blog\/author\/rsahu4242_trysiteprice\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/","og_locale":"en_US","og_type":"article","og_title":"Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice","og_description":"In OpenSSH, host key checking is a security feature that is enabled by default. It prevents man-in-the-middle attacks by verifying that the server you are connecting to is the one you intended to connect to, by checking its host key against the list of known host keys stored in your local machine. However, in some ... Read more","og_url":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/","og_site_name":"TrySitePrice","article_published_time":"2023-02-10T09:34:48+00:00","article_modified_time":"2024-07-03T10:10:21+00:00","author":"Rahul Sahu","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#article","isPartOf":{"@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/"},"author":{"name":"Rahul Sahu","@id":"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/358e04eeea4281deacad2f30c58e67f4"},"headline":"Linux \/ Unix: Disable OpenSSH Host Key Checking","datePublished":"2023-02-10T09:34:48+00:00","dateModified":"2024-07-03T10:10:21+00:00","mainEntityOfPage":{"@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/"},"wordCount":178,"commentCount":0,"publisher":{"@id":"https:\/\/trysiteprice.com\/blog\/#organization"},"articleSection":["Best\/Tutorial"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/","url":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/","name":"Linux \/ Unix: Disable OpenSSH Host Key Checking - TrySitePrice","isPartOf":{"@id":"https:\/\/trysiteprice.com\/blog\/#website"},"datePublished":"2023-02-10T09:34:48+00:00","dateModified":"2024-07-03T10:10:21+00:00","breadcrumb":{"@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/trysiteprice.com\/blog\/linux-unix-disable-openssh-host-key-checking\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/trysiteprice.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Linux \/ Unix: Disable OpenSSH Host Key Checking"}]},{"@type":"WebSite","@id":"https:\/\/trysiteprice.com\/blog\/#website","url":"https:\/\/trysiteprice.com\/blog\/","name":"TrySitePrice","description":"Free Website Value Calculator Tool","publisher":{"@id":"https:\/\/trysiteprice.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/trysiteprice.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/trysiteprice.com\/blog\/#organization","name":"TrySitePrice","url":"https:\/\/trysiteprice.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/trysiteprice.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/trysiteprice.com\/blog\/wp-content\/uploads\/2021\/12\/cropped-trysiteprice-logo.png","contentUrl":"https:\/\/trysiteprice.com\/blog\/wp-content\/uploads\/2021\/12\/cropped-trysiteprice-logo.png","width":395,"height":268,"caption":"TrySitePrice"},"image":{"@id":"https:\/\/trysiteprice.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/358e04eeea4281deacad2f30c58e67f4","name":"Rahul Sahu","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/trysiteprice.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/51f0f95f7b95665f62baed2211572165?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/51f0f95f7b95665f62baed2211572165?s=96&d=mm&r=g","caption":"Rahul Sahu"},"sameAs":["https:\/\/trysiteprice.com\/blog"],"url":"https:\/\/trysiteprice.com\/blog\/author\/rsahu4242_trysiteprice\/"}]}},"_links":{"self":[{"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/posts\/4580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/comments?post=4580"}],"version-history":[{"count":2,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/posts\/4580\/revisions"}],"predecessor-version":[{"id":7439,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/posts\/4580\/revisions\/7439"}],"wp:attachment":[{"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/media?parent=4580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/categories?post=4580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trysiteprice.com\/blog\/wp-json\/wp\/v2\/tags?post=4580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}