{"id":15891,"date":"2024-11-18T10:03:18","date_gmt":"2024-11-18T02:03:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/15891\/"},"modified":"2024-11-18T10:03:18","modified_gmt":"2024-11-18T02:03:18","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%8a%e8%ae%be%e7%bd%ae%e7%bd%91%e7%bb%9c%e8%ae%bf%e9%97%ae%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15891\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236"},"content":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4fdd\u62a4\u7cfb\u7edf\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u6027\u3002Linux\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u5de5\u5177\u548c\u6280\u672f\u6765\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u6280\u672f\u4ee5\u53ca\u5982\u4f55\u5728Linux\u4e0a\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p>\u4e00\u3001\u9632\u706b\u5899\u914d\u7f6e<br \/>\u9632\u706b\u5899\u662f\u4e00\u79cd\u7528\u4e8e\u8fc7\u6ee4\u548c\u63a7\u5236\u7f51\u7edc\u6d41\u91cf\u7684\u7f51\u7edc\u5b89\u5168\u8bbe\u5907\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528iptables\u6765\u9650\u5236\u8bbf\u95ee\u67d0\u4e2a\u7279\u5b9a\u7684\u7aef\u53e3\u3002<\/p>\n<ol>\n<li>\n<p>\u67e5\u770b\u5f53\u524d\u7684\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre>iptables -L<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u5141\u8bb8\u7279\u5b9aIP\u8bbf\u95ee\u6307\u5b9a\u7aef\u53e3\uff1a<\/p>\n<pre>iptables -A INPUT -s IP\u5730\u5740 -p tcp --dport \u7aef\u53e3\u53f7 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u7981\u6b62\u5176\u4ed6IP\u8bbf\u95ee\u8be5\u7aef\u53e3\uff1a<\/p>\n<pre>iptables -A INPUT -p tcp --dport \u7aef\u53e3\u53f7 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u4fdd\u5b58\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre>iptables-save &amp;gt; \/etc\/iptables\/rules.v4<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n<p>\u4e8c\u3001\u7aef\u53e3\u8f6c\u53d1<br \/>\u7aef\u53e3\u8f6c\u53d1\uff0c\u4e5f\u79f0\u4e3a\u7aef\u53e3\u6620\u5c04\uff0c\u662f\u4e00\u79cd\u5c06\u8bf7\u6c42\u4ece\u4e00\u4e2a\u7aef\u53e3\u81ea\u52a8\u8f6c\u53d1\u5230\u53e6\u4e00\u4e2a\u76ee\u6807\u5730\u5740\u7684\u6280\u672f\u3002\u5728Linux\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u6765\u5b9e\u73b0\u7aef\u53e3\u8f6c\u53d1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u7aef\u53e3\u8f6c\u53d1\u3002<\/p>\n<ol>\n<li>\n<p>\u542f\u7528\u7aef\u53e3\u8f6c\u53d1\uff1a<\/p>\n<pre>sysctl -w net.ipv4.ip_forward=1<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u6dfb\u52a0\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\uff1a<\/p>\n<pre>iptables -t nat -A PREROUTING -p tcp --dport \u6e90\u7aef\u53e3 -j DNAT --to-destination \u76ee\u6807IP:\u76ee\u6807\u7aef\u53e3\niptables -t nat -A POSTROUTING -j MASQUERADE<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u4fdd\u5b58\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\uff1a<\/p>\n<pre>iptables-save &amp;gt; \/etc\/iptables\/rules.v4<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n<p>\u4e09\u3001\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09<br \/>\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u9650\u5236\u7279\u5b9aIP\u5730\u5740\u6216IP\u5730\u5740\u8303\u56f4\u7684\u8bbf\u95ee\u6743\u9650\u7684\u6280\u672f\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u8bbe\u7f6eACL\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6eACL\u89c4\u5219\u3002<\/p>\n<ol>\n<li>\n<p>\u5141\u8bb8\u7279\u5b9aIP\u8bbf\u95ee\u7279\u5b9a\u7aef\u53e3\uff1a<\/p>\n<pre>iptables -A INPUT -s IP\u5730\u5740 -p tcp --dport \u7aef\u53e3\u53f7 -j ACCEPT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u7981\u6b62\u5176\u4ed6IP\u8bbf\u95ee\u8be5\u7aef\u53e3\uff1a<\/p>\n<pre>iptables -A INPUT -p tcp --dport \u7aef\u53e3\u53f7 -j DROP<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<li>\n<p>\u4fdd\u5b58ACL\u89c4\u5219\uff1a<\/p>\n<pre>iptables-save &amp;gt; \/etc\/iptables\/rules.v4<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/li>\n<\/ol>\n<p>\u7ed3\u8bba\uff1a<br \/>\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u662f\u4fdd\u62a4\u7cfb\u7edf\u5b89\u5168\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u4e00\u73af\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Linux\u4e0a\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7684\u4e00\u4e9b\u5e38\u89c1\u6280\u672f\uff0c\u5305\u62ec\u9632\u706b\u5899\u914d\u7f6e\u3001\u7aef\u53e3\u8f6c\u53d1\u548c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACL\uff09\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\uff0c\u6211\u4eec\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\uff0c\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7\u7f51\u7edc\u653b\u51fb\u548c\u6076\u610f\u884c\u4e3a\u7684\u4fb5\u5bb3\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e2e\u52a9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e0a\u8bbe\u7f6e\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236 \u5f15\u8a00\uff1a\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4fdd\u62a4\u7cfb\u7edf\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u6027\u3002Linux\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u5de5\u5177\u548c\u6280\u672f\u6765\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u6280\u672f\u4ee5\u53ca\u5982\u4f55\u5728Linux\u4e0a\u8fdb\u884c\u8bbe\u7f6e\u3002 \u4e00\u3001\u9632\u706b\u5899\u914d\u7f6e\u9632\u706b\u5899\u662f\u4e00\u79cd\u7528\u4e8e\u8fc7\u6ee4\u548c\u63a7\u5236\u7f51\u7edc\u6d41\u91cf\u7684\u7f51\u7edc\u5b89\u5168\u8bbe\u5907\u3002\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u547d\u4ee4\u6765\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528iptables\u6765\u9650\u5236\u8bbf\u95ee\u67d0\u4e2a\u7279\u5b9a\u7684\u7aef\u53e3\u3002 \u67e5\u770b\u5f53\u524d\u7684\u9632\u706b\u5899\u89c4\u5219\uff1a iptables -L \u767b\u5f55\u540e\u590d\u5236 \u5141\u8bb8\u7279\u5b9aIP\u8bbf\u95ee\u6307\u5b9a\u7aef\u53e3\uff1a iptables -A INPUT -s IP\u5730\u5740 -p tcp &#8211;dport \u7aef\u53e3\u53f7 -j ACCEPT \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u7981\u6b62\u5176\u4ed6IP\u8bbf\u95ee\u8be5\u7aef\u53e3\uff1a iptables -A INPUT -p tcp &#8211;dport \u7aef\u53e3\u53f7 -j DROP \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u4fdd\u5b58\u9632\u706b\u5899\u89c4\u5219\uff1a iptables-save &amp;gt; \/etc\/iptables\/rules.v4 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u7aef\u53e3\u8f6c\u53d1\u7aef\u53e3\u8f6c\u53d1\uff0c\u4e5f\u79f0\u4e3a\u7aef\u53e3\u6620\u5c04\uff0c\u662f\u4e00\u79cd\u5c06\u8bf7\u6c42\u4ece\u4e00\u4e2a\u7aef\u53e3\u81ea\u52a8\u8f6c\u53d1\u5230\u53e6\u4e00\u4e2a\u76ee\u6807\u5730\u5740\u7684\u6280\u672f\u3002\u5728Linux\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528iptables\u6765\u5b9e\u73b0\u7aef\u53e3\u8f6c\u53d1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u6f14\u793a\u5982\u4f55\u8bbe\u7f6e\u7aef\u53e3\u8f6c\u53d1\u3002 \u542f\u7528\u7aef\u53e3\u8f6c\u53d1\uff1a sysctl -w net.ipv4.ip_forward=1 \u767b\u5f55\u540e\u590d\u5236 \u6dfb\u52a0\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\uff1a iptables -t nat -A PREROUTING -p tcp &#8211;dport [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-15891","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=15891"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15891\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}