{"id":211582,"date":"2023-12-22T10:22:25","date_gmt":"2023-12-22T02:22:25","guid":{"rendered":"https:\/\/www.idc.net\/help\/211582\/"},"modified":"2023-12-22T10:22:25","modified_gmt":"2023-12-22T02:22:25","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-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211582\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf"},"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-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f-DSaCYEePKM\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf<\/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-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f-DSaCYEePKM\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf<\/h1>\n<p>\u5728\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u5b89\u5168\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Linux \u670d\u52a1\u5668\u662f\u8bb8\u591a\u4f01\u4e1a\u548c\u4e2a\u4eba\u9996\u9009\u7684\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\uff0c\u56e0\u4e3a\u5b83\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u5728\u4fdd\u62a4 Linux \u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb\u548c\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u65b9\u9762\uff0ciptables \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf\uff0c\u4ee5\u589e\u5f3a Linux \u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%af-iptables%ef%bc%9f-DSaCYEePKM\">\u4ec0\u4e48\u662f iptables\uff1f<\/h2>\n<p>iptables \u662f\u4e00\u4e2a\u7528\u4e8e Linux \u64cd\u4f5c\u7cfb\u7edf\u7684\u9632\u706b\u5899\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u7ba1\u7406\u5458\u914d\u7f6e\u548c\u7ba1\u7406\u7f51\u7edc\u6d41\u91cf\uff0c\u4ee5\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb\u548c\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002iptables \u4f7f\u7528\u89c4\u5219\u96c6\u6765\u8fc7\u6ee4\u548c\u8f6c\u53d1\u7f51\u7edc\u6570\u636e\u5305\uff0c\u53ef\u4ee5\u6839\u636e\u6e90 IP \u5730\u5740\u3001\u76ee\u6807 IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u6761\u4ef6\u8fdb\u884c\u8fc7\u6ee4\u3002<\/p>\n<h2 id=\"iptables-%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-DSaCYEePKM\">iptables \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u8981\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u7684\u7528\u6cd5\u3002<\/p>\n<p>1. \u67e5\u770b\u5f53\u524d\u7684 iptables \u89c4\u5219\uff1a<\/p>\n<pre><code>iptables -L<\/code><\/pre>\n<p>2. \u6e05\u9664\u5f53\u524d\u7684 iptables \u89c4\u5219\uff1a<\/p>\n<pre><code>iptables -F<\/code><\/pre>\n<p>3. \u5141\u8bb8\u7279\u5b9a IP \u5730\u5740\u8bbf\u95ee\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code>iptables -A INPUT -s 192.168.0.1 -j ACCEPT<\/code><\/pre>\n<p>4. \u963b\u6b62\u7279\u5b9a IP \u5730\u5740\u8bbf\u95ee\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code>iptables -A INPUT -s 192.168.0.2 -j DROP<\/code><\/pre>\n<p>5. \u5141\u8bb8\u7279\u5b9a\u7aef\u53e3\u7684\u6d41\u91cf\u901a\u8fc7\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport 80 -j ACCEPT<\/code><\/pre>\n<p>6. \u963b\u6b62\u7279\u5b9a\u7aef\u53e3\u7684\u6d41\u91cf\u901a\u8fc7\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport 22 -j DROP<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8-iptables-%e6%8e%a7%e5%88%b6-ip-%e6%b5%81%e9%87%8f%e7%9a%84%e6%8a%80%e5%b7%a7-DSaCYEePKM\">\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf\u7684\u6280\u5de7<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u7528\u6cd5\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u6280\u5de7\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf\u3002<\/p>\n<p>1. \u4f7f\u7528 IP \u5730\u5740\u8303\u56f4\u8fdb\u884c\u8fc7\u6ee4\uff1a<\/p>\n<pre><code>iptables -A INPUT -m iprange --src-range 192.168.0.1-192.168.0.10 -j ACCEPT<\/code><\/pre>\n<p>2. \u4f7f\u7528\u7aef\u53e3\u8303\u56f4\u8fdb\u884c\u8fc7\u6ee4\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport 1000:2000 -j ACCEPT<\/code><\/pre>\n<p>3. \u4f7f\u7528\u8fde\u63a5\u72b6\u6001\u8fdb\u884c\u8fc7\u6ee4\uff1a<\/p>\n<pre><code>iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT<\/code><\/pre>\n<p>4. \u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u88ab\u963b\u6b62\u7684\u6d41\u91cf\uff1a<\/p>\n<pre><code>iptables -A INPUT -s 192.168.0.1 -j LOG --log-prefix \"Blocked IP: \"<\/code><\/pre>\n<p>5. \u4f7f\u7528\u9650\u5236\u901f\u7387\u6765\u9632\u6b62 DoS \u653b\u51fb\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport 80 -m limit --limit 100\/minute --limit-burst 200 -j ACCEPT<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-DSaCYEePKM\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf\uff0c\u60a8\u53ef\u4ee5\u589e\u5f3a Linux \u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86 iptables \u7684\u57fa\u672c\u7528\u6cd5\u548c\u4e00\u4e9b\u6280\u5de7\uff0c\u5e0c\u671b\u5bf9\u60a8\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u6076\u610f\u653b\u51fb\u548c\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 iptables \u63a7\u5236 IP \u6d41\u91cf Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4f7f\u7528 [&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-211582","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211582","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=211582"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211582\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}