{"id":3556,"date":"2021-01-17T08:36:04","date_gmt":"2021-01-17T00:36:04","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=3556"},"modified":"2021-01-19T07:42:36","modified_gmt":"2021-01-18T23:42:36","slug":"ssh-%e5%9c%a8%e5%ae%89%e5%85%a8%e5%8a%a0%e5%9b%ba%e5%9c%ba%e6%99%af%e4%b8%8b%e9%9c%80%e8%a6%81%e5%a2%9e%e5%8a%a0%e9%a2%9d%e5%a4%96%e5%8f%82%e6%95%b0%e8%bf%9b%e8%a1%8c%e8%bf%9c%e7%a8%8b%e8%ae%bf","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/3556","title":{"rendered":"In secure hardening scenarios, SSH requires additional parameters for remote access."},"content":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u5728\u5ba2\u6237\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u505a\u4e86ssh\u5b89\u5168\u52a0\u56fa\u540e\uff0c\u4e00\u4e9b\u9ed8\u8ba4\u7684\u53c2\u6570\u4e0d\u518d\u751f\u6548\uff0c\u5bf9\u67d0\u4e9b\u901a\u8fc7ssh\u8fdb\u884c\u64cd\u4f5c\u7684\u4ee3\u7801\u9700\u8981\u4fee\u6b63\u989d\u5916\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ade467be82\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ade467be82\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/3556\/#%E4%BB%A3%E7%A0%81\" >\u4ee3\u7801<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/3556\/#%E8%AF%B4%E6%98%8E\" >\u8bf4\u660e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/3556\/#NumberOfPasswordPrompts\" >NumberOfPasswordPrompts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/3556\/#StrictHostKeyChecking\" >StrictHostKeyChecking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/3556\/#UserKnownHostsFile\" >UserKnownHostsFile<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BB%A3%E7%A0%81\"><\/span>\u4ee3\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh -o NumberOfPasswordPrompts=1 -o StrictHostKeyChecking=no -o UserKnownHostsFile=\/dev\/null<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NumberOfPasswordPrompts\"><\/span>NumberOfPasswordPrompts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728\u767b\u9646\u653e\u5f03\u524d\uff0c\u5c1d\u8bd5\u8f93\u5165\u5bc6\u7801\u7684\u6b21\u6570\u3002\u9ed8\u8ba4\u662f3\u6b21\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u662f\u65e0\u5bc6\u7801\u8f93\u5165\uff0c\u53ef\u4ee5\u6307\u5b9a\u53c2\u6570\u503c\u4e3a0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-o NumberOfPasswordPrompts=0<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4e0d\u786e\u5b9a\uff0c\u5efa\u8bae\u8bbe\u7f6e\u4e3a1\uff0c\u56e0\u4e3a\u4e00\u4e9b\u5b89\u5168\u52a0\u56fa\u73af\u5883\uff0c\u6700\u591a\u5141\u8bb81\u6b21\uff0c\u4e0d\u5141\u8bb8\u591a\u6b21\u5c1d\u8bd5\uff0c\u53c2\u6570\u4e3a1\u53ef\u4ee5\u786e\u4fdd\u53ef\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"StrictHostKeyChecking\"><\/span>StrictHostKeyChecking<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f3a\u5236\u4e3b\u673a\u5bc6\u94a5\u68c0\u6d4b\u3002\u9ed8\u8ba4\u662fask\u3002\u5728\u540e\u53f0\u975e\u4ea4\u4e92\u73af\u5883\uff0c\u53c2\u6570\u8bbe\u7f6e\u4e3ano,\u4e0d\u8981\u68c0\u6d4b\uff0c\u907f\u514d\u56e0\u4e3a\u672c\u5730\u73af\u5883\u53d8\u52a8\u5bfc\u81f4\u767b\u5f55\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u5c06\u6b64\u6807\u5fd7\u8bbe\u7f6e\u4e3a\u201cyes\u201d\uff0cssh\uff081\uff09\u5c06\u4e0d\u4f1a\u81ea\u52a8\u6267\u884c\u5c06\u4e3b\u673a\u5bc6\u94a5\u6dfb\u52a0\u5230~\/.ssh\/known\\u hosts\u6587\u4ef6\uff0c\u5e76\u62d2\u7edd\u8fde\u63a5\u5230\u4e3b\u673a\u5bc6\u94a5\u5df2\u66f4\u6539\u7684\u4e3b\u673a\u3002\u8fd9\u5c06\u63d0\u4f9b\u6700\u5927\u9488\u5bf9\u7279\u6d1b\u4f0a\u6728\u9a6c\u653b\u51fb\u7684\u4fdd\u62a4\uff0c\u5c3d\u7ba1\u5b83\u53ef\u80fd\u5f88\u70e6\u4eba\u3002\u5f53\/etc\/ssh\/ssh_known_hosts\u6587\u4ef6\u7ef4\u62a4\u4e0d\u597d\u65f6\u6216\u8005\u7ecf\u5e38\u8fde\u63a5\u5230\u65b0\u4e3b\u673a\u65f6\u3002\u8fd9\u4e2a\u9009\u9879\u5f3a\u5236\u7528\u6237\u624b\u52a8\u6dfb\u52a0\u6240\u6709\u65b0\u4e3b\u673a\u3002\u5982\u679c\u8fd9\u4e2a\u6807\u5fd7\u8bbe\u7f6e\u4e3a\u201c\u5426\u201d\uff0cssh\u5c06\u81ea\u52a8\u6dfb\u52a0\u65b0\u7684\u4e3b\u673a\u5bc6\u94a5\u5230\u7528\u6237\u5df2\u77e5\u7684\u4e3b\u673a\u6587\u4ef6\u3002\u5982\u679c\u6b64\u6807\u5fd7\u8bbe\u7f6e\u4e3a\u201cask\u201d\uff0c\u65b0\u7684\u4e3b\u673a\u5bc6\u94a5\u5c06\u4ec5\u6dfb\u52a0\u5230\u7528\u6237\u5df2\u77e5\u7684\u4e3b\u673a\u6587\u4ef6\u4e2d\u5728\u7528\u6237\u786e\u8ba4\u8fd9\u662f\u4ed6\u4eec\u771f\u6b63\u60f3\u8981\u505a\u7684\u4e8b\u60c5\u4e4b\u540e\uff0cssh\u5c06\u62d2\u7edd\u8fde\u63a5\u5230\u4e3b\u673a\u5bc6\u94a5\u65e0\u6548\u7684\u4e3b\u673a\u6539\u53d8\u3002\u5c06\u81ea\u52a8\u9a8c\u8bc1\u5df2\u77e5\u4e3b\u673a\u7684\u4e3b\u673a\u5bc6\u94a5-\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\u90fd\u662f\u5982\u6b64\u3002\u53c2\u6570\u5fc5\u987b\u4e3a\u201cyes\u201d\u3001\u201cno\u201d\u6216\u201cno\u201d``\u8be2\u95ee\u201c\u201d\u3002\u9ed8\u8ba4\u503c\u4e3a\u201cask\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"UserKnownHostsFile\"><\/span>UserKnownHostsFile<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6307\u5b9a\u5df2\u77e5\u7684\u4e3b\u673a\u8fde\u63a5\u5217\u8868\u6587\u4ef6\u3002\u7528\u7a7a\u683c\u5206\u9694\u3002\u5efa\u8bae\u8bbe\u7f6e\u4e3a\/dev\/null \u907f\u514d\u73af\u5883\u5bfc\u81f4\u540e\u53f0\u6267\u884c\u62a5\u9519\u3002\u9ed8\u8ba4\u662f<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>~\/.ssh\/known<\/em><strong>_<\/strong><em>hosts<\/em> <em>~\/.ssh\/known<\/em><strong>_<\/strong><em>hosts2<\/em>.<\/pre>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In secure hardening scenarios, SSH requires additional parameters for remote access.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[72,76],"class_list":["post-3556","post","type-post","status-publish","format-standard","hentry","category-1","tag-linux","tag-76"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=3556"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3556\/revisions"}],"predecessor-version":[{"id":3559,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3556\/revisions\/3559"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=3556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=3556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=3556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}