{"id":44958,"date":"2024-10-06T19:26:33","date_gmt":"2024-10-06T11:26:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44958\/"},"modified":"2024-10-06T19:26:34","modified_gmt":"2024-10-06T11:26:34","slug":"linux-%e4%bf%ae%e6%94%b9-ssh-%e9%81%a0%e7%a8%8b%e7%ab%af%e5%8f%a3%e7%9a%84%e8%be%a6%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44958\/","title":{"rendered":"Linux \u4fee\u6539 ssh \u9060\u7a0b\u7aef\u53e3\u7684\u8fa6\u6cd5"},"content":{"rendered":"<h1 id=\"linux-%e4%bf%ae%e6%94%b9-ssh-%e9%81%a0%e7%a8%8b%e7%ab%af%e5%8f%a3%e7%9a%84%e8%be%a6%e6%b3%95-DQpiGfzGvI\">Linux \u4fee\u6539 SSH \u9060\u7a0b\u7aef\u53e3\u7684\u8fa6\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0cSSH\uff08Secure Shell\uff09\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u5354\u8b70\uff0c\u7528\u65bc\u5b89\u5168\u5730\u9060\u7a0b\u7ba1\u7406\u4f3a\u670d\u5668\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cSSH \u670d\u52d9\u904b\u884c\u5728 22 \u865f\u7aef\u53e3\u4e0a\uff0c\u4f46\u9019\u4e5f\u4f7f\u5176\u6210\u70ba\u9ed1\u5ba2\u653b\u64ca\u7684\u4e3b\u8981\u76ee\u6a19\u4e4b\u4e00\u3002\u70ba\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u8a31\u591a\u7cfb\u7d71\u7ba1\u7406\u54e1\u9078\u64c7\u4fee\u6539 SSH \u7684\u9060\u7a0b\u7aef\u53e3\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Linux \u7cfb\u7d71\u4e2d\u4fee\u6539 SSH \u9060\u7a0b\u7aef\u53e3\u7684\u5177\u9ad4\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%82%99%e4%bb%bd-ssh-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-DQpiGfzGvI\">\u6b65\u9a5f\u4e00\uff1a\u5099\u4efd SSH \u914d\u7f6e\u6587\u4ef6<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u9996\u5148\u61c9\u8a72\u5099\u4efd SSH \u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u6cc1\u767c\u751f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5099\u4efd\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo cp \/etc\/ssh\/sshd_config \/etc\/ssh\/sshd_config.bak<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e7%b7%a8%e8%bc%af-ssh-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-DQpiGfzGvI\">\u6b65\u9a5f\u4e8c\uff1a\u7de8\u8f2f SSH \u914d\u7f6e\u6587\u4ef6<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b SSH \u914d\u7f6e\u6587\u4ef6\u3002\u9019\u88e1\u4ee5 nano \u7de8\u8f2f\u5668\u70ba\u4f8b\uff1a<\/p>\n<pre><code>sudo nano \/etc\/ssh\/sshd_config<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u4e2d\u627e\u5230\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>#Port 22<\/code><\/pre>\n<p>\u5c07\u5176\u4fee\u6539\u70ba\u60a8\u5e0c\u671b\u4f7f\u7528\u7684\u65b0\u7aef\u53e3\u865f\uff0c\u4f8b\u5982 2222\uff1a<\/p>\n<pre><code>Port 2222<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u9078\u64c7\u7684\u7aef\u53e3\u865f\u61c9\u8a72\u5728 1024 \u5230 65535 \u4e4b\u9593\uff0c\u4e26\u4e14\u4e0d\u61c9\u8207\u5176\u4ed6\u670d\u52d9\u7684\u7aef\u53e3\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%9b%b4%e6%96%b0%e9%98%b2%e7%81%ab%e7%89%86%e8%a6%8f%e5%89%87-DQpiGfzGvI\">\u6b65\u9a5f\u4e09\uff1a\u66f4\u65b0\u9632\u706b\u7246\u898f\u5247<\/h2>\n<p>\u4fee\u6539 SSH \u7aef\u53e3\u5f8c\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31\u65b0\u7684\u7aef\u53e3\u901a\u904e\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f UFW\uff08Uncomplicated Firewall\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5141\u8a31\u65b0\u7aef\u53e3\uff1a<\/p>\n<pre><code>sudo ufw allow 2222\/tcp<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f iptables\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo iptables -A INPUT -p tcp --dport 2222 -j ACCEPT<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e9%87%8d%e5%95%9f-ssh-%e6%9c%8d%e5%8b%99-DQpiGfzGvI\">\u6b65\u9a5f\u56db\uff1a\u91cd\u555f SSH \u670d\u52d9<\/h2>\n<p>\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9a5f\u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u555f SSH \u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>sudo systemctl restart sshd<\/code><\/pre>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e6%b8%ac%e8%a9%a6%e6%96%b0%e7%9a%84-ssh-%e7%ab%af%e5%8f%a3-DQpiGfzGvI\">\u6b65\u9a5f\u4e94\uff1a\u6e2c\u8a66\u65b0\u7684 SSH \u7aef\u53e3<\/h2>\n<p>\u5728\u91cd\u555f SSH \u670d\u52d9\u5f8c\uff0c\u60a8\u61c9\u8a72\u6e2c\u8a66\u65b0\u7684\u7aef\u53e3\u662f\u5426\u53ef\u4ee5\u6b63\u5e38\u9023\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e2c\u8a66\uff1a<\/p>\n<pre><code>ssh -p 2222 username@your_server_ip<\/code><\/pre>\n<p>\u8acb\u5c07 &#8220;username&#8221; \u66ff\u63db\u70ba\u60a8\u7684\u7528\u6236\u540d\uff0c&#8221;your_server_ip&#8221; \u66ff\u63db\u70ba\u60a8\u7684\u4f3a\u670d\u5668 IP \u5730\u5740\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u6210\u529f\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%85%ad%ef%bc%9a%e7%a6%81%e7%94%a8%e8%88%8a%e7%ab%af%e5%8f%a3%ef%bc%88%e5%8f%af%e9%81%b8%ef%bc%89-DQpiGfzGvI\">\u6b65\u9a5f\u516d\uff1a\u7981\u7528\u820a\u7aef\u53e3\uff08\u53ef\u9078\uff09<\/h2>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u7981\u7528\u820a\u7684 SSH \u7aef\u53e3\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u9632\u706b\u7246\u4e2d\u522a\u9664\u5c0d 22 \u865f\u7aef\u53e3\u7684\u5141\u8a31\u898f\u5247\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>sudo ufw deny 22\/tcp<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DQpiGfzGvI\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u6539 SSH \u9060\u7a0b\u7aef\u53e3\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u6f5b\u5728\u7684\u653b\u64ca\u98a8\u96aa\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728 Linux \u7cfb\u7d71\u4e2d\u66f4\u6539 SSH \u7aef\u53e3\uff0c\u4e26\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u66f4\u52a0\u5b89\u5168\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u4f3a\u670d\u5668\u904b\u884c\u66f4\u52a0\u7a69\u5b9a\u548c\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Linux\u4e2d\u4fee\u6539SSH\u9060\u7a0b\u7aef\u53e3\uff0c\u63d0\u5347\u5b89\u5168\u6027\u4e26\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002\u7c21\u55ae\u6b65\u9a5f\uff0c\u8f15\u9b06\u64cd\u4f5c\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-44958","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44958","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=44958"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44958\/revisions"}],"predecessor-version":[{"id":44959,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44958\/revisions\/44959"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}