{"id":211632,"date":"2023-12-22T11:12:26","date_gmt":"2023-12-22T03:12:26","guid":{"rendered":"https:\/\/www.idc.net\/help\/211632\/"},"modified":"2023-12-22T11:12:26","modified_gmt":"2023-12-22T03:12:26","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8%e9%9d%9e%e6%a0%87%e5%87%86%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211632\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784"},"content":{"rendered":"<p><title id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8%e9%9d%9e%e6%a0%87%e5%87%86%e6%9e%b6%e6%9e%84-YBSIoONjUR\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784<\/title><\/p>\n<h1 id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bd%bf%e7%94%a8%e9%9d%9e%e6%a0%87%e5%87%86%e6%9e%b6%e6%9e%84-YBSIoONjUR\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784<\/h1>\n<h2 id=\"%e5%bc%95%e8%a8%80-YBSIoONjUR\">\u5f15\u8a00<\/h2>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u5bf9\u4e8e\u4efb\u4f55\u4f01\u4e1a\u6216\u4e2a\u4eba\u6765\u8bf4\u90fd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Linux \u4f5c\u4e3a\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u5b89\u5168\u6027\u5907\u53d7\u5173\u6ce8\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784\u7684 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e9%9d%9e%e9%bb%98%e8%ae%a4-ssh-%e7%ab%af%e5%8f%a3-YBSIoONjUR\">1. \u4f7f\u7528\u975e\u9ed8\u8ba4 SSH \u7aef\u53e3<\/h2>\n<p>SSH\uff08Secure Shell\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff0c\u653b\u51fb\u8005\u901a\u5e38\u4f1a\u626b\u63cf\u9ed8\u8ba4\u7684 SSH \u7aef\u53e3\uff0822\uff09\u6765\u5c1d\u8bd5\u5165\u4fb5\u670d\u52a1\u5668\u3002\u4e3a\u4e86\u589e\u52a0\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u60a8\u53ef\u4ee5\u5c06 SSH \u7aef\u53e3\u66f4\u6539\u4e3a\u975e\u9ed8\u8ba4\u7aef\u53e3\uff0c\u4f8b\u5982 2222\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n<p>\u8981\u66f4\u6539 SSH \u7aef\u53e3\uff0c\u60a8\u53ef\u4ee5\u7f16\u8f91 SSH \u914d\u7f6e\u6587\u4ef6\uff08\/etc\/ssh\/sshd_config\uff09\uff0c\u627e\u5230 \"Port\" \u914d\u7f6e\u9879\u5e76\u5c06\u5176\u66f4\u6539\u4e3a\u60a8\u9009\u62e9\u7684\u975e\u9ed8\u8ba4\u7aef\u53e3\u3002\u7136\u540e\u91cd\u542f SSH \u670d\u52a1\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h2 id=\"2-%e7%a6%81%e7%94%a8%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e6%9c%8d%e5%8a%a1-YBSIoONjUR\">2. \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1<\/h2>\n<p>Linux \u53d1\u884c\u7248\u901a\u5e38\u4f1a\u9ed8\u8ba4\u5b89\u88c5\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\uff0c\u8fd9\u4e9b\u670d\u52a1\u53ef\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u6210\u4e3a\u653b\u51fb\u8005\u5165\u4fb5\u7684\u76ee\u6807\u3002\u4e3a\u4e86\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u60a8\u5e94\u8be5\u68c0\u67e5\u5e76\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5217\u51fa\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u670d\u52a1\uff1a<\/p>\n<p><code>sudo systemctl list-unit-files --type=service<\/code><\/p>\n<p>\u7136\u540e\uff0c\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\uff1a<\/p>\n<p><code>sudo systemctl disable <\/code><\/p>\n<p>\u8bf7\u786e\u4fdd\u5728\u7981\u7528\u670d\u52a1\u4e4b\u524d\u4e86\u89e3\u5176\u529f\u80fd\u548c\u5f71\u54cd\uff0c\u4ee5\u514d\u5f71\u54cd\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e9%98%b2%e7%81%ab%e5%a2%99-YBSIoONjUR\">3. \u4f7f\u7528\u9632\u706b\u5899<\/h2>\n<p>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u7684\u91cd\u8981\u5de5\u5177\u3002Linux \u63d0\u4f9b\u4e86\u591a\u79cd\u9632\u706b\u5899\u89e3\u51b3\u65b9\u6848\uff0c\u5982 iptables \u548c firewalld\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u9632\u706b\u5899\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 iptables \u914d\u7f6e\u9632\u706b\u5899\u7684\u793a\u4f8b\uff1a<\/p>\n<p><code>sudo iptables -A INPUT -p tcp --dport  -j DROP<\/code><\/p>\n<p>\u8fd9\u4e2a\u793a\u4f8b\u5c06\u963b\u6b62\u6240\u6709\u8fdb\u5165\u6307\u5b9a\u7aef\u53e3\u7684 TCP \u8fde\u63a5\u3002<\/p>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e6%9b%b4%e6%96%b0%e5%92%8c%e5%8d%87%e7%ba%a7-YBSIoONjUR\">4. \u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7<\/h2>\n<p>\u53ca\u65f6\u66f4\u65b0\u548c\u5347\u7ea7\u670d\u52a1\u5668\u4e0a\u7684\u8f6f\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u662f\u4fdd\u6301\u670d\u52a1\u5668\u5b89\u5168\u7684\u5173\u952e\u3002Linux \u53d1\u884c\u7248\u901a\u5e38\u4f1a\u53d1\u5e03\u5b89\u5168\u8865\u4e01\u548c\u66f4\u65b0\uff0c\u4ee5\u4fee\u590d\u5df2\u77e5\u6f0f\u6d1e\u548c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u8f6f\u4ef6\u5305\uff1a<\/p>\n<p><code>sudo apt update<\/code><br \/>\n<code>sudo apt upgrade<\/code><\/p>\n<p>\u8bf7\u786e\u4fdd\u5b9a\u671f\u6267\u884c\u66f4\u65b0\u548c\u5347\u7ea7\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-YBSIoONjUR\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784\u7684 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u66f4\u6539 SSH \u7aef\u53e3\u3001\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3001\u4f7f\u7528\u9632\u706b\u5899\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u548c\u5347\u7ea7\u90fd\u662f\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u653b\u51fb\u7684\u91cd\u8981\u6b65\u9aa4\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-YBSIoONjUR\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u540e\u6d6a\u4e91\u662f\u4e00\u5bb6\u4e13\u4e1a\u7684\u4e91\u8ba1\u7b97\u516c\u53f8\uff0c\u63d0\u4f9b\u9ad8\u8d28\u91cf\u7684\u9999\u6e2f\u670d\u52a1\u5668\u3002\u4f5c\u4e3a\u60a8\u7684\u9996\u9009\u670d\u52a1\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u4e3a\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u5e2e\u52a9\u60a8\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528\u975e\u6807\u51c6\u67b6\u6784 \u5f15\u8a00 \u5728\u5f53\u4eca\u6570 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-211632","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=211632"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211632\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}