{"id":211646,"date":"2023-12-22T11:26:24","date_gmt":"2023-12-22T03:26:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/211646\/"},"modified":"2023-12-22T11:26:24","modified_gmt":"2023-12-22T03:26:24","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%e7%a6%81%e7%94%a8%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211646\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae"},"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%e7%a6%81%e7%94%a8%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e5%8d%8f%e8%ae%ae-LjxoUirHBi\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae<\/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%e7%a6%81%e7%94%a8%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e5%8d%8f%e8%ae%ae-LjxoUirHBi\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae<\/h1>\n<p>\u5728\u4fdd\u62a4 Linux \u670d\u52a1\u5668\u514d\u53d7\u6f5c\u5728\u653b\u51fb\u548c\u6f0f\u6d1e\u7684\u5f71\u54cd\u65f6\uff0c\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5b89\u5168\u7b56\u7565\u3002\u901a\u8fc7\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u670d\u52a1\u5668\u9762\u4e34\u7684\u653b\u51fb\u9762\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\u7684\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u52a0\u5f3a Linux \u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%b8%ba%e4%bb%80%e4%b9%88%e7%a6%81%e7%94%a8%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e5%8d%8f%e8%ae%ae%e5%be%88%e9%87%8d%e8%a6%81%ef%bc%9f-LjxoUirHBi\">\u4e3a\u4ec0\u4e48\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\u5f88\u91cd\u8981\uff1f<\/h2>\n<p>Linux \u670d\u52a1\u5668\u9ed8\u8ba4\u542f\u7528\u4e86\u8bb8\u591a\u7f51\u7edc\u534f\u8bae\u548c\u670d\u52a1\uff0c\u4f46\u5e76\u4e0d\u662f\u6240\u6709\u7684\u534f\u8bae\u548c\u670d\u52a1\u90fd\u662f\u5fc5\u9700\u7684\u3002\u672a\u4f7f\u7528\u7684\u534f\u8bae\u548c\u670d\u52a1\u53ef\u80fd\u5b58\u5728\u6f0f\u6d1e\uff0c\u6210\u4e3a\u653b\u51fb\u8005\u5165\u4fb5\u670d\u52a1\u5668\u7684\u6f5c\u5728\u5165\u53e3\u3002\u901a\u8fc7\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u670d\u52a1\u5668\u4e0a\u7684\u653b\u51fb\u9762\uff0c\u964d\u4f4e\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n<h2 id=\"%e7%a6%81%e7%94%a8%e6%9c%aa%e4%bd%bf%e7%94%a8%e7%9a%84%e5%8d%8f%e8%ae%ae%e7%9a%84%e6%8a%80%e5%b7%a7-LjxoUirHBi\">\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\u7684\u6280\u5de7<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\u7684\u6280\u5de7\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u63d0\u9ad8 Linux \u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<h3 id=\"1-%e7%a6%81%e7%94%a8%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e7%bd%91%e7%bb%9c%e6%9c%8d%e5%8a%a1-LjxoUirHBi\">1. \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u670d\u52a1<\/h3>\n<p>\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u5e76\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u8fd0\u884c\u7684\u670d\u52a1\uff1a<\/p>\n<pre><code>sudo netstat -tuln<\/code><\/pre>\n<p>\u6839\u636e\u60a8\u7684\u9700\u6c42\uff0c\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u4e0d\u9700\u8981\u8fd0\u884c FTP \u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6\u5c06\u5176\u7981\u7528\u3002<\/p>\n<h3 id=\"2-%e7%a6%81%e7%94%a8%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e5%8d%8f%e8%ae%ae-LjxoUirHBi\">2. \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u534f\u8bae<\/h3>\n<p>Linux \u670d\u52a1\u5668\u9ed8\u8ba4\u542f\u7528\u4e86\u8bb8\u591a\u534f\u8bae\uff0c\u4f46\u5e76\u4e0d\u662f\u6240\u6709\u7684\u534f\u8bae\u90fd\u662f\u5fc5\u9700\u7684\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u6765\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u534f\u8bae\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u4e0d\u9700\u8981\u4f7f\u7528 IPv6 \u534f\u8bae\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91 \"\/etc\/sysctl.conf\" \u6587\u4ef6\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u884c\u6765\u7981\u7528 IPv6\uff1a<\/p>\n<pre><code>net.ipv6.conf.all.disable_ipv6 = 1\nnet.ipv6.conf.default.disable_ipv6 = 1<\/code><\/pre>\n<p>\u4fdd\u5b58\u6587\u4ef6\u5e76\u91cd\u65b0\u52a0\u8f7d\u914d\u7f6e\uff1a<\/p>\n<pre><code>sudo sysctl -p<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%98%b2%e7%81%ab%e5%a2%99%e8%bf%87%e6%bb%a4%e6%b5%81%e9%87%8f-LjxoUirHBi\">3. \u4f7f\u7528\u9632\u706b\u5899\u8fc7\u6ee4\u6d41\u91cf<\/h3>\n<p>\u4f7f\u7528\u9632\u706b\u5899\u53ef\u4ee5\u5e2e\u52a9\u60a8\u8fc7\u6ee4\u670d\u52a1\u5668\u4e0a\u7684\u6d41\u91cf\uff0c\u7981\u6b62\u672a\u4f7f\u7528\u7684\u534f\u8bae\u548c\u7aef\u53e3\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 iptables \u6216\u5176\u4ed6\u9632\u706b\u5899\u5de5\u5177\u6765\u914d\u7f6e\u89c4\u5219\uff0c\u53ea\u5141\u8bb8\u5fc5\u9700\u7684\u534f\u8bae\u548c\u7aef\u53e3\u901a\u8fc7\u3002<\/p>\n<pre><code>sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT\nsudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT\nsudo iptables -A INPUT -j DROP<\/code><\/pre>\n<p>\u4ee5\u4e0a\u793a\u4f8b\u4e2d\uff0c\u5141\u8bb8 HTTP\uff08\u7aef\u53e380\uff09\u548c SSH\uff08\u7aef\u53e322\uff09\u6d41\u91cf\u901a\u8fc7\uff0c\u800c\u7981\u6b62\u5176\u4ed6\u6240\u6709\u6d41\u91cf\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-LjxoUirHBi\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11 Linux \u670d\u52a1\u5668\u9762\u4e34\u7684\u653b\u51fb\u9762\uff0c\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u670d\u52a1\u548c\u534f\u8bae\uff0c\u4f7f\u7528\u9632\u706b\u5899\u8fc7\u6ee4\u6d41\u91cf\u662f\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u6709\u6548\u6280\u5de7\u3002\u786e\u4fdd\u5b9a\u671f\u5ba1\u67e5\u670d\u52a1\u5668\u914d\u7f6e\uff0c\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u66f4\u65b0\u548c\u8c03\u6574\uff0c\u4ee5\u4fdd\u6301\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\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-LjxoUirHBi\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u540e\u6d6a\u4e91\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u4e3a\u60a8\u7684\u4e1a\u52a1\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u6258\u7ba1\u73af\u5883\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\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u7981\u7528\u672a\u4f7f\u7528\u7684\u534f\u8bae \u5728\u4fdd\u62a4 L [&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-211646","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211646","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=211646"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211646\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}