{"id":44530,"date":"2024-10-06T16:18:13","date_gmt":"2024-10-06T08:18:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44530\/"},"modified":"2024-10-06T16:18:13","modified_gmt":"2024-10-06T08:18:13","slug":"linux-%e4%bc%ba%e6%9c%8d%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-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44530\/","title":{"rendered":"Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf"},"content":{"rendered":"<h1 id=\"linux-%e4%bc%ba%e6%9c%8d%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-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f-cHWkoJfiaZ\">Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u4f3a\u670d\u5668\u5b89\u5168\u6027\u6210\u70ba\u4e86\u6bcf\u500b\u4f01\u696d\u548c\u500b\u4eba\u4f7f\u7528\u8005\u7684\u9996\u8981\u8003\u91cf\u3002Linux \u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684\u64cd\u4f5c\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u52a0\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\uff0c\u5176\u4e2d <code>iptables<\/code> \u662f\u6700\u5e38\u7528\u7684\u9632\u706b\u7246\u5de5\u5177\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 <code>iptables<\/code> \u4f86\u63a7\u5236 IP \u6d41\u91cf\uff0c\u5f9e\u800c\u63d0\u5347 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-iptables%ef%bc%9f-cHWkoJfiaZ\">\u4ec0\u9ebc\u662f iptables\uff1f<\/h2>\n<p><code>iptables<\/code> \u662f Linux \u7cfb\u7d71\u4e2d\u7684\u4e00\u500b\u7528\u65bc\u8a2d\u7f6e\u3001\u7dad\u8b77\u548c\u6aa2\u67e5 IP \u6578\u64da\u5305\u904e\u6ffe\u898f\u5247\u7684\u5de5\u5177\u3002\u5b83\u5141\u8a31\u7cfb\u7d71\u7ba1\u7406\u54e1\u5b9a\u7fa9\u54ea\u4e9b\u6d41\u91cf\u53ef\u4ee5\u9032\u5165\u6216\u96e2\u958b\u4f3a\u670d\u5668\uff0c\u5f9e\u800c\u6709\u6548\u5730\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u653b\u64ca\u3002<\/p>\n<h2 id=\"iptables-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-cHWkoJfiaZ\">iptables \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u4f7f\u7528 <code>iptables<\/code> \u4e4b\u524d\uff0c\u4e86\u89e3\u5176\u57fa\u672c\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u93c8\uff08Chain\uff09<\/strong>\uff1a<code>iptables<\/code> \u4f7f\u7528\u4e09\u500b\u4e3b\u8981\u93c8\u4f86\u8655\u7406\u6d41\u91cf\uff1aINPUT\u3001OUTPUT \u548c FORWARD\u3002<\/li>\n<li><strong>\u898f\u5247\uff08Rule\uff09<\/strong>\uff1a\u6bcf\u500b\u93c8\u53ef\u4ee5\u5305\u542b\u591a\u689d\u898f\u5247\uff0c\u9019\u4e9b\u898f\u5247\u5b9a\u7fa9\u4e86\u5982\u4f55\u8655\u7406\u9032\u5165\u6216\u96e2\u958b\u7684\u6578\u64da\u5305\u3002<\/li>\n<li><strong>\u76ee\u6a19\uff08Target\uff09<\/strong>\uff1a\u6bcf\u689d\u898f\u5247\u53ef\u4ee5\u6307\u5b9a\u4e00\u500b\u76ee\u6a19\uff0c\u4f8b\u5982 ACCEPT\uff08\u63a5\u53d7\uff09\u3001DROP\uff08\u4e1f\u68c4\uff09\u6216 REJECT\uff08\u62d2\u7d55\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a8%ad%e7%bd%ae-iptables-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-cHWkoJfiaZ\">\u8a2d\u7f6e iptables \u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u8a2d\u7f6e <code>iptables<\/code> \u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e7%9c%8b%e7%95%b6%e5%89%8d%e8%a6%8f%e5%89%87-cHWkoJfiaZ\">1. \u67e5\u770b\u7576\u524d\u898f\u5247<\/h3>\n<pre><code>sudo iptables -L -n -v<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5217\u51fa\u7576\u524d\u7684\u9632\u706b\u7246\u898f\u5247\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u76ee\u524d\u7684\u5b89\u5168\u72c0\u614b\u3002<\/p>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e8%a6%8f%e5%89%87-cHWkoJfiaZ\">2. \u6dfb\u52a0\u898f\u5247<\/h3>\n<p>\u8981\u6dfb\u52a0\u4e00\u689d\u898f\u5247\u4ee5\u5141\u8a31\u7279\u5b9a IP \u5730\u5740\u7684\u6d41\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo iptables -A INPUT -s 192.168.1.100 -j ACCEPT<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5141\u8a31\u4f86\u81ea IP \u5730\u5740 192.168.1.100 \u7684\u6d41\u91cf\u9032\u5165\u4f3a\u670d\u5668\u3002<\/p>\n<h3 id=\"3-%e6%8b%92%e7%b5%95%e7%89%b9%e5%ae%9a-ip-%e5%9c%b0%e5%9d%80%e7%9a%84%e6%b5%81%e9%87%8f-cHWkoJfiaZ\">3. \u62d2\u7d55\u7279\u5b9a IP \u5730\u5740\u7684\u6d41\u91cf<\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u62d2\u7d55\u4f86\u81ea\u67d0\u500b IP \u5730\u5740\u7684\u6d41\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>sudo iptables -A INPUT -s 192.168.1.200 -j DROP<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u4e1f\u68c4\u4f86\u81ea IP \u5730\u5740 192.168.1.200 \u7684\u6240\u6709\u6d41\u91cf\u3002<\/p>\n<h3 id=\"4-%e4%bf%9d%e5%ad%98%e8%a6%8f%e5%89%87-cHWkoJfiaZ\">4. \u4fdd\u5b58\u898f\u5247<\/h3>\n<p>\u5728\u8a2d\u7f6e\u5b8c\u898f\u5247\u5f8c\uff0c\u60a8\u9700\u8981\u4fdd\u5b58\u9019\u4e9b\u898f\u5247\uff0c\u4ee5\u4fbf\u5728\u4f3a\u670d\u5668\u91cd\u555f\u5f8c\u4ecd\u7136\u6709\u6548\uff1a<\/p>\n<pre><code>sudo iptables-save &gt; \/etc\/iptables\/rules.v4<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-cHWkoJfiaZ\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 <code>iptables<\/code> \u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u9032\u4e00\u6b65\u589e\u5f37\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u898f\u5247\uff0c\u4ee5\u78ba\u4fdd\u5176\u6709\u6548\u6027\u3002<\/li>\n<li>\u4f7f\u7528\u65e5\u8a8c\u529f\u80fd\u4f86\u76e3\u63a7\u53ef\u7591\u6d3b\u52d5\u3002<\/li>\n<li>\u9650\u5236\u4e0d\u5fc5\u8981\u7684\u670d\u52d9\u548c\u7aef\u53e3\uff0c\u50c5\u958b\u653e\u5fc5\u9700\u7684\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-cHWkoJfiaZ\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528 <code>iptables<\/code> \u63a7\u5236 IP \u6d41\u91cf\u662f\u52a0\u5f37 Linux \u4f3a\u670d\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u7b56\u7565\u3002\u900f\u904e\u5408\u7406\u7684\u898f\u5247\u8a2d\u7f6e\u548c\u5b9a\u671f\u7684\u76e3\u63a7\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u6f5b\u5728\u7684\u653b\u64ca\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u74b0\u5883\uff0c\u5efa\u8b70\u7d50\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u5165\u4fb5\u6aa2\u6e2c\u7cfb\u7d71\u548c\u5b9a\u671f\u7684\u5b89\u5168\u5be9\u8a08\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1 Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 iptables \u6709\u6548\u63a7\u5236 IP \u6d41\u91cf\uff0c\u63d0\u5347\u7cfb\u7d71\u9632\u8b77\u80fd\u529b\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-44530","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44530","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=44530"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44530\/revisions"}],"predecessor-version":[{"id":44531,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44530\/revisions\/44531"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}