{"id":17538,"date":"2024-11-18T14:07:41","date_gmt":"2024-11-18T06:07:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17538\/"},"modified":"2024-11-18T14:07:41","modified_gmt":"2024-11-18T06:07:41","slug":"%e5%88%86%e4%ba%ab%e5%9c%a8linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e6%a3%80%e6%b5%8bssh%e7%89%88%e6%9c%ac%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17538\/","title":{"rendered":"\u5206\u4eab\u5728Linux\u7cfb\u7edf\u4e2d\u68c0\u6d4bSSH\u7248\u672c\u7684\u65b9\u6cd5"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/465\/014\/170895691420697.jpg\" class=\"aligncenter\" title=\"\u5206\u4eab\u5728Linux\u7cfb\u7edf\u4e2d\u68c0\u6d4bSSH\u7248\u672c\u7684\u65b9\u6cd5\u63d2\u56fe\" alt=\"\u5206\u4eab\u5728Linux\u7cfb\u7edf\u4e2d\u68c0\u6d4bSSH\u7248\u672c\u7684\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p>Linux\u7cfb\u7edf\u4e0b\u68c0\u6d4bSSH\u7248\u672c\u7684\u6280\u5de7\u5206\u4eab<\/p>\n<p>SSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u52a0\u5bc6\u7f51\u7edc\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0cSSH\u662f\u4e00\u9879\u91cd\u8981\u7684\u5de5\u5177\uff0c\u800c\u4e86\u89e3\u5f53\u524d\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u662f\u5341\u5206\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u5206\u4eab\u51e0\u79cd\u68c0\u6d4bSSH\u7248\u672c\u7684\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u4f7f\u7528ssh\u547d\u4ee4\u68c0\u6d4bSSH\u7248\u672c<\/p>\n<p>\u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u68c0\u6d4bSSH\u7684\u7248\u672c\u4fe1\u606f\uff1a<\/p>\n<pre>ssh -V<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6267\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u7ec8\u7aef\u4f1a\u663e\u793a\u51fa\u5f53\u524d\u7cfb\u7edf\u6240\u5b89\u88c5\u7684SSH\u7248\u672c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n  7 Dec 2017<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cSSH\u7248\u672c\u4e3aOpenSSH 7.6p1\u3002<\/p>\n<p>\u4e8c\u3001\u67e5\u8be2SSH\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>SSH\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\/etc\/ssh\/sshd_config\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u8be5\u6587\u4ef6\u6765\u83b7\u53d6\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u3002\u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770bSSH\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/p>\n<pre>cat \/etc\/ssh\/sshd_config | grep \"Banner\"<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u67e5\u627eBanner\u53c2\u6570\uff0c\u53ef\u4ee5\u627e\u5230SSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>#Banner \/etc\/issue.net<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5e76\u672a\u76f4\u63a5\u663e\u793a\u51faSSH\u7248\u672c\u4fe1\u606f\uff0c\u4f46\u901a\u8fc7\u67e5\u770b\u5176\u4ed6\u53c2\u6570\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4e86\u89e3\u5f53\u524d\u7cfb\u7edf\u6240\u91c7\u7528\u7684SSH\u7248\u672c\u3002<\/p>\n<p>\u4e09\u3001\u901a\u8fc7SSH\u534f\u8bae\u7248\u672c\u53f7\u68c0\u6d4b<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u8fde\u63a5\u5230SSH\u670d\u52a1\u5668\uff0c\u5e76\u67e5\u770b\u534f\u5546\u7684\u534f\u8bae\u7248\u672c\u53f7\u6765\u4e86\u89e3SSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u8fde\u63a5\u5230SSH\u670d\u52a1\u5668\uff1a<\/p>\n<pre>ssh -vvv username@hostname<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d\uff0cusername\u662f\u7528\u6237\u540d\uff0chostname\u662f\u4e3b\u673a\u540d\u6216IP\u5730\u5740\u3002\u5728\u8fde\u63a5\u6210\u529f\u540e\uff0c\u7ec8\u7aef\u4f1a\u663e\u793a\u8be6\u7ec6\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u62ecSSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n\ndebug1: match: OpenSSH_7.6p1 pat OpenSSH* compat 0x04000000<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u4e3aOpenSSH 7.6p1\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u68c0\u6d4bLinux\u7cfb\u7edf\u4e0b\u7684SSH\u7248\u672c\u3002\u4e86\u89e3\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u5bf9\u4e8e\u5b89\u5168\u6027\u548c\u7cfb\u7edf\u7ef4\u62a4\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u5efa\u8bae\u5b9a\u671f\u68c0\u6d4b\u548c\u5347\u7ea7SSH\u7248\u672c\u4ee5\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5206\u4eab\u5728Linux\u7cfb\u7edf\u4e2d\u68c0\u6d4bSSH\u7248\u672c\u7684\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u7cfb\u7edf\u4e0b\u68c0\u6d4bSSH\u7248\u672c\u7684\u6280\u5de7\u5206\u4eab SSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u52a0\u5bc6\u7f51\u7edc\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u8fdc\u7a0b\u767b\u5f55\u548c\u6267\u884c\u547d\u4ee4\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0cSSH\u662f\u4e00\u9879\u91cd\u8981\u7684\u5de5\u5177\uff0c\u800c\u4e86\u89e3\u5f53\u524d\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u662f\u5341\u5206\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u5206\u4eab\u51e0\u79cd\u68c0\u6d4bSSH\u7248\u672c\u7684\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u4f7f\u7528ssh\u547d\u4ee4\u68c0\u6d4bSSH\u7248\u672c \u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u68c0\u6d4bSSH\u7684\u7248\u672c\u4fe1\u606f\uff1a ssh -V \u767b\u5f55\u540e\u590d\u5236 \u6267\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u7ec8\u7aef\u4f1a\u663e\u793a\u51fa\u5f53\u524d\u7cfb\u7edf\u6240\u5b89\u88c5\u7684SSH\u7248\u672c\u3002\u4f8b\u5982\uff1a OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017 \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cSSH\u7248\u672c\u4e3aOpenSSH 7.6p1\u3002 \u4e8c\u3001\u67e5\u8be2SSH\u914d\u7f6e\u6587\u4ef6 SSH\u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\/etc\/ssh\/sshd_config\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u8be5\u6587\u4ef6\u6765\u83b7\u53d6\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u3002\u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770bSSH\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\uff1a cat \/etc\/ssh\/sshd_config | grep &#8220;Banner&#8221; \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u67e5\u627eBanner\u53c2\u6570\uff0c\u53ef\u4ee5\u627e\u5230SSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff1a #Banner \/etc\/issue.net \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5e76\u672a\u76f4\u63a5\u663e\u793a\u51faSSH\u7248\u672c\u4fe1\u606f\uff0c\u4f46\u901a\u8fc7\u67e5\u770b\u5176\u4ed6\u53c2\u6570\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4e86\u89e3\u5f53\u524d\u7cfb\u7edf\u6240\u91c7\u7528\u7684SSH\u7248\u672c\u3002 \u4e09\u3001\u901a\u8fc7SSH\u534f\u8bae\u7248\u672c\u53f7\u68c0\u6d4b \u53ef\u4ee5\u901a\u8fc7\u8fde\u63a5\u5230SSH\u670d\u52a1\u5668\uff0c\u5e76\u67e5\u770b\u534f\u5546\u7684\u534f\u8bae\u7248\u672c\u53f7\u6765\u4e86\u89e3SSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u8fde\u63a5\u5230SSH\u670d\u52a1\u5668\uff1a ssh -vvv username@hostname \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cusername\u662f\u7528\u6237\u540d\uff0chostname\u662f\u4e3b\u673a\u540d\u6216IP\u5730\u5740\u3002\u5728\u8fde\u63a5\u6210\u529f\u540e\uff0c\u7ec8\u7aef\u4f1a\u663e\u793a\u8be6\u7ec6\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u62ecSSH\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\uff1a OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n debug1: match: OpenSSH_7.6p1 pat OpenSSH* compat 0x04000000 \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u670d\u52a1\u5668\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u4e3aOpenSSH 7.6p1\u3002 \u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u68c0\u6d4bLinux\u7cfb\u7edf\u4e0b\u7684SSH\u7248\u672c\u3002\u4e86\u89e3\u7cfb\u7edf\u6240\u4f7f\u7528\u7684SSH\u7248\u672c\u5bf9\u4e8e\u5b89\u5168\u6027\u548c\u7cfb\u7edf\u7ef4\u62a4\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u5efa\u8bae\u5b9a\u671f\u68c0\u6d4b\u548c\u5347\u7ea7SSH\u7248\u672c\u4ee5\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168\u3002 \u4ee5\u4e0a\u5c31\u662f\u5206\u4eab\u5728Linux\u7cfb\u7edf\u4e2d\u68c0\u6d4bSSH\u7248\u672c\u7684\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-17538","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=17538"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17538\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}