{"id":44148,"date":"2024-10-06T13:16:07","date_gmt":"2024-10-06T05:16:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44148\/"},"modified":"2024-10-06T13:16:07","modified_gmt":"2024-10-06T05:16:07","slug":"centos-%e4%b8%8b-ssh-%e5%85%8d%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%e4%b8%8d%e7%94%9f%e6%95%88-%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44148\/","title":{"rendered":"CentOS \u4e0b \u201cssh \u514d\u5bc6\u78bc\u767b\u9304\u4e0d\u751f\u6548\u201d \u554f\u984c"},"content":{"rendered":"<h1 id=\"centos-%e4%b8%8b-ssh-%e5%85%8d%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%e4%b8%8d%e7%94%9f%e6%95%88-%e5%95%8f%e9%a1%8c-aRvWdlgBIC\">CentOS \u4e0b \u201cssh \u514d\u5bc6\u78bc\u767b\u9304\u4e0d\u751f\u6548\u201d \u554f\u984c<\/h1>\n<p>\u5728\u4f7f\u7528 CentOS \u7cfb\u7d71\u6642\uff0cSSH \u514d\u5bc6\u78bc\u767b\u9304\u662f\u4e00\u500b\u975e\u5e38\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u7279\u5225\u662f\u5728\u7ba1\u7406\u591a\u53f0\u4f3a\u670d\u5668\u6642\u3002\u7136\u800c\uff0c\u6709\u6642\u5019\u7528\u6236\u53ef\u80fd\u6703\u9047\u5230\u201cssh \u514d\u5bc6\u78bc\u767b\u9304\u4e0d\u751f\u6548\u201d\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u5e38\u898b\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"ssh-%e5%85%8d%e5%af%86%e7%a2%bc%e7%99%bb%e9%8c%84%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-aRvWdlgBIC\">SSH \u514d\u5bc6\u78bc\u767b\u9304\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>SSH \u514d\u5bc6\u78bc\u767b\u9304\u7684\u5be6\u73fe\u4f9d\u8cf4\u65bc\u516c\u9470\u52a0\u5bc6\u6280\u8853\u3002\u7528\u6236\u9700\u8981\u751f\u6210\u4e00\u5c0d\u5bc6\u9470\uff08\u516c\u9470\u548c\u79c1\u9470\uff09\uff0c\u7136\u5f8c\u5c07\u516c\u9470\u6dfb\u52a0\u5230\u76ee\u6a19\u4f3a\u670d\u5668\u7684 <code>~\/.ssh\/authorized_keys<\/code> \u6587\u4ef6\u4e2d\u3002\u7576\u7528\u6236\u901a\u904e SSH \u9023\u63a5\u5230\u4f3a\u670d\u5668\u6642\uff0c\u4f3a\u670d\u5668\u6703\u4f7f\u7528\u516c\u9470\u4f86\u9a57\u8b49\u7528\u6236\u7684\u8eab\u4efd\uff0c\u5f9e\u800c\u5be6\u73fe\u514d\u5bc6\u78bc\u767b\u9304\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-aRvWdlgBIC\">\u5e38\u898b\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e5%85%ac%e9%91%b0%e6%9c%aa%e6%ad%a3%e7%a2%ba%e6%b7%bb%e5%8a%a0-aRvWdlgBIC\">1. \u516c\u9470\u672a\u6b63\u78ba\u6dfb\u52a0<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u516c\u9470\u662f\u5426\u5df2\u6b63\u78ba\u6dfb\u52a0\u5230\u76ee\u6a19\u4f3a\u670d\u5668\u7684 <code>~\/.ssh\/authorized_keys<\/code> \u6587\u4ef6\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6587\u4ef6\u5167\u5bb9\uff1a<\/p>\n<pre><code>cat ~\/.ssh\/authorized_keys<\/code><\/pre>\n<p>\u78ba\u4fdd\u516c\u9470\u7684\u683c\u5f0f\u6b63\u78ba\uff0c\u4e26\u4e14\u6c92\u6709\u591a\u9918\u7684\u7a7a\u683c\u6216\u63db\u884c\u7b26\u3002<\/p>\n<h3 id=\"2-%e6%aa%94%e6%a1%88%e6%ac%8a%e9%99%90%e5%95%8f%e9%a1%8c-aRvWdlgBIC\">2. \u6a94\u6848\u6b0a\u9650\u554f\u984c<\/h3>\n<p>SSH \u5c0d\u65bc\u6a94\u6848\u7684\u6b0a\u9650\u6709\u56b4\u683c\u7684\u8981\u6c42\u3002\u5982\u679c <code>~\/.ssh<\/code> \u76ee\u9304\u6216 <code>authorized_keys<\/code> \u6587\u4ef6\u7684\u6b0a\u9650\u8a2d\u7f6e\u4e0d\u7576\uff0c\u5c07\u6703\u5c0e\u81f4\u514d\u5bc6\u78bc\u767b\u9304\u5931\u6557\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u548c\u8a2d\u7f6e\u6b0a\u9650\uff1a<\/p>\n<pre><code>chmod 700 ~\/.ssh\nchmod 600 ~\/.ssh\/authorized_keys<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u7528\u6236\u81ea\u5df1\u53ef\u4ee5\u8a2a\u554f\u9019\u4e9b\u6a94\u6848\u3002<\/p>\n<h3 id=\"3-ssh-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e8%a8%ad%e7%bd%ae%e4%b8%8d%e7%95%b6-aRvWdlgBIC\">3. SSH \u914d\u7f6e\u6587\u4ef6\u8a2d\u7f6e\u4e0d\u7576<\/h3>\n<p>\u6aa2\u67e5 SSH \u4f3a\u670d\u5668\u7684\u914d\u7f6e\u6587\u4ef6 <code>\/etc\/ssh\/sshd_config<\/code>\uff0c\u78ba\u4fdd\u4ee5\u4e0b\u8a2d\u7f6e\u6b63\u78ba\uff1a<\/p>\n<ul>\n<li><code>PubkeyAuthentication yes<\/code><\/li>\n<li><code>AuthorizedKeysFile .ssh\/authorized_keys<\/code><\/li>\n<\/ul>\n<p>\u5982\u679c\u9019\u4e9b\u8a2d\u7f6e\u88ab\u8a3b\u89e3\u6389\u6216\u8a2d\u7f6e\u70ba <code>no<\/code>\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u4fee\u6539\u3002\u4fee\u6539\u5f8c\uff0c\u91cd\u555f SSH \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart sshd<\/code><\/pre>\n<h3 id=\"4-selinux-%e8%a8%ad%e7%bd%ae%e5%95%8f%e9%a1%8c-aRvWdlgBIC\">4. SELinux \u8a2d\u7f6e\u554f\u984c<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cSELinux \u53ef\u80fd\u6703\u963b\u6b62 SSH \u514d\u5bc6\u78bc\u767b\u9304\u3002\u53ef\u4ee5\u66ab\u6642\u7981\u7528 SELinux \u4f86\u6aa2\u67e5\u662f\u5426\u662f\u9019\u500b\u539f\u56e0\uff1a<\/p>\n<pre><code>sudo setenforce 0<\/code><\/pre>\n<p>\u5982\u679c\u7981\u7528 SELinux \u5f8c\u53ef\u4ee5\u6210\u529f\u767b\u9304\uff0c\u5247\u9700\u8981\u8abf\u6574 SELinux \u7684\u7b56\u7565\u4f86\u5141\u8a31 SSH \u514d\u5bc6\u78bc\u767b\u9304\u3002<\/p>\n<h3 id=\"5-%e9%98%b2%e7%81%ab%e7%89%86%e8%a8%ad%e7%bd%ae-aRvWdlgBIC\">5. \u9632\u706b\u7246\u8a2d\u7f6e<\/h3>\n<p>\u6700\u5f8c\uff0c\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\u662f\u5426\u5141\u8a31 SSH \u9023\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u9632\u706b\u7246\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo firewall-cmd --list-all<\/code><\/pre>\n<p>\u78ba\u4fdd <code>ssh<\/code> \u670d\u52d9\u5df2\u88ab\u5141\u8a31\u3002\u5982\u679c\u6c92\u6709\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6dfb\u52a0\uff1a<\/p>\n<pre><code>sudo firewall-cmd --add-service=ssh --permanent\nsudo firewall-cmd --reload<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aRvWdlgBIC\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS \u7cfb\u7d71\u4e2d\uff0cSSH \u514d\u5bc6\u78bc\u767b\u9304\u4e0d\u751f\u6548\u7684\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u516c\u9470\u672a\u6b63\u78ba\u6dfb\u52a0\u3001\u6a94\u6848\u6b0a\u9650\u554f\u984c\u3001SSH \u914d\u7f6e\u6587\u4ef6\u8a2d\u7f6e\u4e0d\u7576\u3001SELinux \u8a2d\u7f6e\u554f\u984c\u4ee5\u53ca\u9632\u706b\u7246\u8a2d\u7f6e\u7b49\u3002\u901a\u904e\u9010\u4e00\u6aa2\u67e5\u9019\u4e9b\u56e0\u7d20\uff0c\u901a\u5e38\u53ef\u4ee5\u627e\u5230\u4e26\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9084\u662f\u4f01\u696d\u7528\u6236\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a CentOS \u4e0b SSH \u514d\u5bc6\u78bc\u767b\u9304\u4e0d\u751f\u6548\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u8a73\u7d30\u6b65\u9a5f\u8207\u5e38\u898b\u932f\u8aa4\u6392\u67e5\uff0c\u52a9\u4f60\u9806\u5229\u9023\u63a5\u4f3a\u670d\u5668\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44148","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44148"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44148\/revisions"}],"predecessor-version":[{"id":44149,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44148\/revisions\/44149"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}