{"id":146,"date":"2022-03-20T11:34:14","date_gmt":"2022-03-20T03:34:14","guid":{"rendered":"https:\/\/wp.ytdx.cc\/?p=146"},"modified":"2022-03-20T11:34:14","modified_gmt":"2022-03-20T03:34:14","slug":"%e5%85%b3%e4%ba%8eiptables%e8%bf%87%e6%bb%a4%e5%85%b3%e9%94%ae%e8%af%8d%e7%bd%91%e7%ab%99%e7%9a%84%e5%8e%9f%e7%90%86%e5%92%8c%e6%96%b9%e6%b3%95%e8%a7%a3%e8%af%bb","status":"publish","type":"post","link":"https:\/\/wp.ytdx.cc\/index.php\/2022\/03\/20\/%e5%85%b3%e4%ba%8eiptables%e8%bf%87%e6%bb%a4%e5%85%b3%e9%94%ae%e8%af%8d%e7%bd%91%e7%ab%99%e7%9a%84%e5%8e%9f%e7%90%86%e5%92%8c%e6%96%b9%e6%b3%95%e8%a7%a3%e8%af%bb\/","title":{"rendered":"\u5173\u4e8eiptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u7f51\u7ad9\u7684\u539f\u7406\u548c\u65b9\u6cd5\u89e3\u8bfb"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u670d\u52a1\u5668\u4e0a\u6709\u65f6\u5019\u96be\u514d\u505a\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u8bf4\u4e00\u4e2a\u6e38\u620f\u52a0\u901f\u5668\u53ef\u80fd\u4f1a\u7981\u6b62\u7528\u6765\u7f51\u7ad9\u8bbf\u95ee\uff0c\u4f46\u662f\u95ee\u9898\u6765\u4e86\uff0c\u6211\u4eec\u5e76\u4e0d\u80fd\u7b80\u5355\u7684\u7981\u6b62\u4e00\u4e2a80\u6216\u8005443\u6765\u8fbe\u5230\u76ee\u7684\uff0c\u56e0\u4e3a\u6709\u4e9b\u6e38\u620f\u4f1a\u4ece\u7f51\u7ad9\u4e0a\u53bb\u83b7\u53d6\u4e00\u4e9b\u4fe1\u606f\uff0c\u6bd4\u5982\u73b0\u5728\u6700\u706b\u7684\u7edd\u5730\u6c42\u751f\u5927\u9003\u6740\uff0c\u5403\u4e2a\u9e21\u5374\u8981\u5148\u4ece\u4e00\u4e2a\u7f51\u9875\u8fdb\u884c\u767b\u5f55\uff0c\u6240\u4ee5\u7981\u6b6280\/443\u7aef\u53e3\u7684\u65b9\u6848\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5426\u6389\uff0c\u5976\u725b\u7684\u65b9\u6cd5\u662f\u7528iptables\u8fdb\u884c\u5173\u952e\u8bcd\u548c\u7f51\u7ad9\u8fc7\u6ee4\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>iptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u7f51\u7ad9\u7684\u539f\u7406\u89e3\u8bfb<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">INPUT,OUTPUT,FORWARD\u9009\u54ea\u4e2a\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528iptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u548c\u7f51\u7ad9\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u8fdb\u51fa\u670d\u52a1\u5668\u7684\u6d41\u91cf\u90fd\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5f53\u7136\u4e5f\u6709\u4eba\u5efa\u8bae\u5728\u4f20\u8f93\u5c42\u8fc7\u6ee4\uff0c\u90a3\u5976\u725b\u5c31\u6765\u8c08\u8c08\u81ea\u5df1\u7684\u7406\u89e3\u3002\u9996\u5148INPUT,OUTPUT,FORWARD\u4e09\u4e2a\u5206\u522b\u5bf9\u5e94\u8fdb\u3001\u51fa\u3001\u4f20\u8f93\u3002\u5982\u679c\u6211\u4eec\u5728FORWARD\u8fc7\u6ee4\uff0c\u5e94\u8be5\u53ef\u4ee5\u8fbe\u5230\u9884\u671f\u6548\u679c\uff0c\u4f46\u662f\u5982\u679c\u6211\u4eec\u7684\u670d\u52a1\u5668\u662f\u7528\u4f5c\u8f6c\u53d1\u7684\u5462\uff1f\u6bd4\u5982\u4e00\u4e2a\u8bf7\u6c42\u53d1\u9001\u8fc7\u6765\uff0c\u6211\u4eec\u5141\u8bb8INPUT\u8fdb\u5165\uff0c\u7136\u540e\u6211\u4eec\u7684\u8f6c\u53d1\u670d\u52a1\u5668\u4f1a\u5148\u5c06\u8bf7\u6c42\u8f6c\u53d1\u51fa\u53bb\uff0c\u518d\u63a5\u6536\u8f6c\u53d1\u5185\u5bb9\uff0c\u6700\u540e\u5728\u8f6c\u53d1\u56de\u7a0b\u7684\u8fc7\u7a0b\u4e2d\u8fc7\u6ee4\u62e6\u622a\uff0c\u8fd9\u6837\u5b50\uff0c\u670d\u52a1\u5668\u7684\u6d41\u91cf\u5e26\u5bbd\u8d44\u6e90\u5c31\u4f1a\u88ab\u6d6a\u8d39\uff0c\u4e5f\u8bb8\u4f60\u4f1a\u8bf4\u5728\u63a5\u6536\u5230\u8bf7\u6c42\u4e4b\u540e\u5173\u952e\u8bcd\u548c\u7f51\u7ad9\u5c31\u5df2\u7ecf\u8fc7\u6ee4\u4e86\uff0c\u5176\u5b9e\u4e0d\u7136\uff0c\u5f88\u591a\u5173\u952e\u8bcd\u662f\u5305\u542b\u5728\u8bf7\u6c42\u83b7\u5f97\u7684\u5185\u5bb9\u4e2d\u7684\uff0c\u6240\u4ee5\u4e0d\u53ef\u80fd\u5728\u8f6c\u53d1\u4e4b\u524d\u5c31\u8fc7\u6ee4\u6389\uff0c\u6211\u4eec\u9700\u8981\u7684\u7ed3\u679c\u662f\u5728\u8f6c\u53d1\u4e4b\u524d\u8fc7\u6ee4\u6389\u3002\u90a3\u4e48\u6211\u4eec\u5c31\u7528INPUT\u8fdb\u884c\u9650\u5236\uff1f\u901a\u8fc7\u5b9e\u6d4b\uff0c\u53d1\u73b0\u5355\u5355\u7528INPUT\u4e5f\u4e0d\u80fd\u8fc7\u6ee4\u5e72\u51c0\uff0c\u5976\u725b\u7684\u7406\u89e3\u662fINPUT\u4e0d\u4f1a\u62d2\u7edd\u8bf7\u6c42\u7684\u7ed3\u679c\uff0c\u6240\u4ee5\u6211\u4eec\u8fd8\u9700\u8981\u548cOUTPUT\u914d\u5408\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DROP,REJECT\u9009\u54ea\u4e2a\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5976\u725b\u9009\u62e9\u7684\u662fDROP\u3002\u6211\u4eec\u8bf4\u8bf4DROP\u548cREJECT\u7684\u533a\u522b\uff0c\u5f53\u6211\u4eec\u4f7f\u7528REJECT\u7684\u65f6\u5019\uff0c\u5982\u679c\u62d2\u7edd\u8bf7\u6c42\uff0c\u5728iptables\u4e2d\u8f93\u5165<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables -L -nv<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\u62d2\u7edd\u7684\u8bf7\u6c42\u4f1areject-withicmp-port-unreachable\uff0c\u4e5f\u5c31\u662f\u4f1a\u901a\u8fc7\u4e00\u4e2aicmp\u5305\u6765\u544a\u8bc9\u76ee\u6807\u8bf7\u6c42\u88ab\u62d2\u7edd\u4e86\uff0c\u8fd9\u4e2a\u8d44\u6e90\u4e5f\u662f\u5c5e\u4e8e\u6d6a\u8d39\u7684\uff0c\u5982\u679c\u6211\u4eec\u76f4\u63a5\u7528DROP\u4e22\u5f03\uff0c\u5219\u4e0d\u4f1a\u6709\u8fd9\u4e2a\u56de\u5305\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">iptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u7f51\u7ad9\u7684\u65b9\u6cd5<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u5907\u4efd\u597d\u6211\u4eec\u7684iptables\u89c4\u5219\uff0c\u907f\u514d\u64cd\u4f5c\u5931\u8bef\u3002\u5907\u4efd\u548c\u8fd8\u539f\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables-save &gt; iptables_origin_rules\niptables-restore &gt; iptables_origin_rules<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u6211\u4eec\u7684\u89c4\u5219\u8fd9\u6837\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables -A INPUT -m string --string \"xxx.com\" --algo bm --to 65535 -j DROP\niptables -A OUTPUT -m string --string \"xxx.com\" --algo bm --to 65535 -j DROP<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u7684xxx.com\u5c31\u662f\u5173\u952e\u8bcd\uff0c\u53ef\u4ee5\u5199\u7f51\u7ad9\u57df\u540d\uff0c\u4e5f\u53ef\u4ee5\u5199\u5173\u952e\u8bcd\uff0c\u4f46\u662f\u5173\u952e\u8bcd\u4e00\u5b9a\u8981\u60f3\u597d\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5f88\u591a\u4e1c\u897f\u90fd\u65e0\u6cd5\u8bbf\u95ee\u7684\u3002\u5982\u679c\u89c4\u5219\u5199\u9519\u4e86\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u5220\u9664\u89c4\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>iptables -D INPUT -m string --string \"xxx.com\" --algo bm --to 65535 -j DROP\niptables -D OUTPUT -m string --string \"xxx.com\" --algo bm --to 65535 -j DROP<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fc7\u6ee4\u9700\u8c28\u614e\uff0c\u7279\u522b\u662f\u4e00\u4e9b\u56fdcdn\u3001\u516c\u5171\u5e93\u3001ssl\u3001dns\u7b49\u4e00\u5b9a\u8981\u8c28\u614e\u5904\u7406\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5f88\u591a\u670d\u52a1\u65e0\u6cd5\u8bbf\u95ee\u4e25\u91cd\u540e\u679c\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u6284\u4f5c\u4e1a\uff0c\u6765\u81ea<a href=\"https:\/\/www.nenew.net\/use-iptables-to-ban-keywords.html\">\u5173\u4e8eiptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u7f51\u7ad9\u7684\u539f\u7406\u548c\u65b9\u6cd5\u89e3\u8bfb | \u5976\u725b\u535a\u5ba2 (nenew.net)<\/a>\u8c22\u8c22\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u670d\u52a1\u5668\u4e0a\u6709\u65f6\u5019\u96be\u514d\u505a\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u8bf4\u4e00\u4e2a\u6e38\u620f\u52a0\u901f\u5668\u53ef\u80fd\u4f1a\u7981\u6b62\u7528\u6765\u7f51\u7ad9\u8bbf\u95ee\uff0c\u4f46\u662f\u95ee\u9898\u6765\u4e86\uff0c\u6211\u4eec\u5e76\u4e0d\u80fd\u7b80\u5355\u7684\u7981\u6b62\u4e00\u4e2a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/wp.ytdx.cc\/index.php\/2022\/03\/20\/%e5%85%b3%e4%ba%8eiptables%e8%bf%87%e6%bb%a4%e5%85%b3%e9%94%ae%e8%af%8d%e7%bd%91%e7%ab%99%e7%9a%84%e5%8e%9f%e7%90%86%e5%92%8c%e6%96%b9%e6%b3%95%e8%a7%a3%e8%af%bb\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u5173\u4e8eiptables\u8fc7\u6ee4\u5173\u952e\u8bcd\u7f51\u7ad9\u7684\u539f\u7406\u548c\u65b9\u6cd5\u89e3\u8bfb\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-146","post","type-post","status-publish","format-standard","hentry","category-date","entry"],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/posts\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/comments?post=146"}],"version-history":[{"count":1,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/posts\/146\/revisions"}],"predecessor-version":[{"id":147,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/posts\/146\/revisions\/147"}],"wp:attachment":[{"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/media?parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/categories?post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.ytdx.cc\/index.php\/wp-json\/wp\/v2\/tags?post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}