{"id":175,"date":"2018-07-29T08:42:21","date_gmt":"2018-07-29T00:42:21","guid":{"rendered":"https:\/\/pfsense.freeddns.org\/wp\/?p=175"},"modified":"2020-08-24T22:13:22","modified_gmt":"2020-08-24T14:13:22","slug":"pfsense-book%e4%b9%8bnat%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blog.pfchina.org\/?p=175","title":{"rendered":"pfSense book\u4e4bNAT\uff08\u4e00\uff09"},"content":{"rendered":"<h1 style=\"text-align: justify;\">NAT(\u4e00)<\/h1>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u7aef\u53e3\u8f6c\u53d1<\/li>\n<li>1:1 NAT<\/li>\n<li>NAT\u548c\u9632\u706b\u5899\u5904\u7406\u7684\u987a\u5e8f<\/li>\n<li>NAT\u56de\u6d41<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u5728\u5176\u6700\u5e38\u89c1\u7684\u7528\u6cd5\u4e2d\uff0c\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff08NAT\uff09\u5141\u8bb8\u4f7f\u7528IPv4\u7684\u591a\u53f0\u8ba1\u7b97\u673a\u4f7f\u7528\u5355\u4e2a\u516c\u7528IPv4\u5730\u5740\u8fde\u63a5\u5230Internet\u3002 pfSense\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e9b\u7b80\u5355\u7684\u90e8\u7f72\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5bb9\u7eb3\u5177\u6709\u591a\u4e2a\u516c\u5171IP\u5730\u5740\u7684\u7f51\u7edc\u6240\u9700\u7684\u66f4\u9ad8\u7ea7\u548c\u590d\u6742\u7684NAT\u914d\u7f6e\u3002<\/p>\n<p style=\"text-align: justify;\">NAT\u914d\u7f6e\u6709\u4e24\u4e2a\u65b9\u5411\uff1a\u5165\u7ad9\u548c\u51fa\u7ad9\u3002 \u51fa\u7ad9NAT\u5c06\u79bb\u5f00\u672c\u5730\u7f51\u7edc\u7684\u7684\u6d41\u91cf\u8f6c\u6362\u5230\u8fdc\u7a0b\u7f51\u7edc\uff08\u4f8b\u5982Internet\uff09\u3002 \u5165\u7ad9NAT\u662f\u6307\u4ece\u8fdc\u7a0b\u7f51\u7edc\u8fdb\u5165\u672c\u5730\u7f51\u7edc\u7684\u6d41\u91cf\u3002 \u6700\u5e38\u89c1\u7684\u5165\u7ad9NAT\u7c7b\u578b\u662f\u7aef\u53e3\u8f6c\u53d1\uff0c\u8fd9\u4e5f\u662f\u8bb8\u591a\u7ba1\u7406\u5458\u6700\u719f\u6089\u7684\u7c7b\u578b\u3002<\/p>\n<p class=\"first admonition-title\" style=\"text-align: justify;\">\u6ce8\u610f\uff1a\u4e00\u822c\u6765\u8bf4\uff0c\u9664\u7f51\u7edc\u524d\u7f00\u8f6c\u6362\uff08NPt\uff09\u5916\uff0cpfSense\u4e0d\u652f\u6301IPv6\u4e0a\u7684NAT\u3002 \u6709\u5173IPv6\u548cNAT\u7684\u4e3b\u9898\u8fd8\u6709\u8fdb\u4e00\u6b65\u7684\u8ba8\u8bba\u3002 \u9664\u975e\u53e6\u6709\u8bf4\u660e\uff0c\u672c\u7ae0\u53ea\u8ba8\u8bba\u4f7f\u7528IPv4\u7684NAT\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u9ed8\u8ba4\u7684NAT\u914d\u7f6e<\/h2>\n<p style=\"text-align: justify;\">\u672c\u8282\u4ecb\u7ecdpfSense\u4e0a\u7684\u9ed8\u8ba4NAT\u914d\u7f6e\u3002 \u81ea\u52a8\u751f\u6210\u53ef\u4ee5\u786e\u5b9a\u7684\u6700\u5408\u9002\u7684NAT\u914d\u7f6e\u3002 \u5728\u67d0\u4e9b\u73af\u5883\u4e2d\uff0c\u6b64\u914d\u7f6e\u53ef\u80fd\u4e0d\u9002\u7528\uff0c\u5e76\u4e14pfSense\u5b8c\u5168\u53ef\u4ee5\u4eceWeb\u754c\u9762\u66f4\u6539\u5b83\u3002 \u8fd9\u4e0e\u8bb8\u591a\u5176\u4ed6\u5f00\u6e90\u9632\u706b\u5899\u53d1\u884c\u7248\u5f62\u6210\u4e86\u9c9c\u660e\u5bf9\u6bd4\uff0c\u8fd9\u4e9b\u53d1\u884c\u7248\u4e0d\u652f\u6301\u6240\u6709\u901a\u5e38\u53ea\u6709\u5c0f\u578b\u7b80\u5355\u7f51\u7edc\u6240\u9700\u7684\u529f\u80fd\u3002<\/p>\n<h3 style=\"text-align: justify;\">\u9ed8\u8ba4\u51fa\u7ad9NAT\u914d\u7f6e<\/h3>\n<p style=\"text-align: justify;\">\u5728\u5177\u6709LAN\u548cWAN\u7684\u5178\u578b\u53cc\u63a5\u53e3pfSense\u8bbe\u7f6e\u4e2d\uff0c\u9ed8\u8ba4NAT\u914d\u7f6e\u4f1a\u81ea\u52a8\u5c06\u4e92\u8054\u7f51\u7ed1\u5b9a\u6d41\u91cf\u8f6c\u6362\u4e3aWAN IP\u5730\u5740\u3002 \u5f53\u914d\u7f6e\u591a\u4e2aWAN\u63a5\u53e3\u65f6\uff0c\u79bb\u5f00\u4efb\u4f55WAN\u63a5\u53e3\u7684\u6d41\u91cf\u5c06\u81ea\u52a8\u8f6c\u6362\u4e3a\u6b63\u5728\u4f7f\u7528\u7684WAN\u63a5\u53e3\u7684\u5730\u5740\u3002<\/p>\n<p style=\"text-align: justify;\">\u4e3aIKE\uff08IPsec\u7684\u4e00\u90e8\u5206\uff09\u81ea\u52a8\u914d\u7f6e\u9759\u6001\u7aef\u53e3\u3002<\/p>\n<p style=\"text-align: justify;\">\u4e3a\u4e86\u68c0\u6d4b\u7528\u4e8eNAT\u7684WAN\u7c7b\u578b\u63a5\u53e3\uff0c\u5982\u679cpfSense\u5177\u6709\u9759\u6001IP\u5730\u5740\uff0cpfSense\u4f1a\u67e5\u627e\u5728\u63a5\u53e3\u914d\u7f6e\u4e2d\u9009\u62e9\u7684\u7f51\u5173\uff0c\u6216\u8005\u5982\u679cpfSense\u662f\u52a8\u6001\u7c7b\u578b\uff08\u5982PPPoE\uff09\uff0c\u5219\u5047\u5b9a\u63a5\u53e3\u662fWAN DHCP\u3002<\/p>\n<h3 style=\"text-align: justify;\">\u9ed8\u8ba4\u5165\u7ad9NAT\u914d\u7f6e<\/h3>\n<p style=\"text-align: justify;\">\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728WAN\u63a5\u53e3\u4e0a\u4ece\u4e92\u8054\u7f51\u4e0a\u4e0d\u5141\u8bb8\u4efb\u4f55\u5185\u5bb9\u8fdb\u5165\u3002\u5982\u679c\u5fc5\u987b\u5141\u8bb8\u5728Internet\u4e0a\u542f\u52a8\u7684\u6d41\u91cf\u5230\u8fbe\u5185\u90e8\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\uff0c\u5219\u9700\u8981\u7aef\u53e3\u8f6c\u53d1\u62161\uff1a1 NAT\u3002\u8fd9\u5728\u63a5\u4e0b\u6765\u7684\u90e8\u5206\u4e2d\u6709\u4ecb\u7ecd\u3002<\/p>\n<h1 style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1<\/h1>\n<p style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u5141\u8bb8\u8bbf\u95ee\u5185\u90e8\u7f51\u7edc\u8bbe\u5907\u4e0a\u7684\u7279\u5b9a\u7aef\u53e3\u3001\u7aef\u53e3\u8303\u56f4\u6216\u534f\u8bae\u3002 \u4e4b\u6240\u4ee5\u9009\u62e9\u201c\u7aef\u53e3\u8f6c\u53d1\u201d\u8fd9\u4e2a\u540d\u79f0\uff0c\u662f\u56e0\u4e3a\u5b83\u662f\u5927\u591a\u6570\u4eba\u6240\u7406\u89e3\u7684\u3002 \u5728\u5176\u4ed6\u4ea7\u54c1\u4e2d\u4e5f\u79f0\u4e3a\u201c\u76ee\u6807NAT\u201d\u3002 \u7136\u800c\uff0c\u201c\u7aef\u53e3\u8f6c\u53d1\u201d\u662f\u4e00\u4e2a\u8bef\u5bfc\uff0c\u56e0\u4e3a\u9664\u4e86TCP\u548cUDP\u7aef\u53e3\u4e4b\u5916\uff0c\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u8fd8\u53ef\u4ee5\u91cd\u5b9a\u5411GRE\u548cESP\u534f\u8bae\uff0c\u5e76\u4e14\u53ef\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u6d41\u91cf\u91cd\u5b9a\u5411\u4ee5\u53ca\u4f20\u7edf\u7684\u7aef\u53e3\u8f6c\u53d1\u3002 \u8fd9\u5728\u6258\u7ba1\u670d\u52a1\u5668\u6216\u4f7f\u7528\u9700\u8981\u6765\u81eaInternet\u7684\u5165\u7ad9\u8fde\u63a5\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\u6700\u4e3a\u5e38\u7528\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u98ce\u9669<\/h2>\n<p style=\"text-align: justify;\">\u5728\u9ed8\u8ba4\u914d\u7f6e\u4e2d\uff0cpfSense\u4e0d\u5141\u8bb8\u4ece\u4e92\u8054\u7f51\u4e0a\u7684\u4e3b\u673a\u53d1\u8d77\u7684\u4efb\u4f55\u6d41\u91cf\u3002 \u8fd9\u4e3a\u4efb\u4f55\u626b\u63cfInternet\u5bfb\u627e\u7cfb\u7edf\u653b\u51fb\u7684\u4eba\u63d0\u4f9b\u4e86\u4fdd\u62a4\u3002 \u5f53\u5b58\u5728\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u65f6\uff0cpfSense\u5c06\u5141\u8bb8\u4efb\u4f55\u5339\u914d\u76f8\u5e94\u9632\u706b\u5899\u89c4\u5219\u7684\u6d41\u91cf\u3002 \u5b83\u4e0d\u77e5\u9053\u5177\u6709\u6076\u610f\u6709\u6548\u8f7d\u8377\u7684\u6570\u636e\u5305\u4e0e\u826f\u6027\u6570\u636e\u5305\u4e4b\u95f4\u7684\u533a\u522b\u3002 \u5982\u679c\u8fde\u63a5\u7b26\u5408\u9632\u706b\u5899\u89c4\u5219\uff0c\u5219\u5141\u8bb8\u8fdb\u5165\u3002 \u76ee\u6807\u7cfb\u7edf\u5fc5\u987b\u4f7f\u7528\u57fa\u4e8e\u4e3b\u673a\u7684\u63a7\u4ef6\u6765\u4fdd\u62a4\u901a\u8fc7\u9632\u706b\u5899\u5141\u8bb8\u7684\u4efb\u4f55\u670d\u52a1\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u548c\u672c\u5730\u670d\u52a1<\/h2>\n<p style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u4f18\u5148\u4e8e\u9632\u706b\u5899\u672c\u5730\u8fd0\u884c\u7684\u4efb\u4f55\u670d\u52a1\uff0c\u4f8b\u5982Web\u754c\u9762\uff0cSSH\u7b49\u3002 \u4f8b\u5982\uff0c\u8fd9\u610f\u5473\u7740\u5982\u679c\u5141\u8bb8\u4f7f\u7528TCP\u7aef\u53e3443\u4e0a\u7684HTTPS\u4eceWAN\u8fdb\u884c\u8fdc\u7a0bWeb\u63a5\u53e3\u8bbf\u95ee\uff0c\u5219TCP 443\u7684WAN\u7aef\u53e3\u5c06\u4f18\u5148\u8f6c\u53d1\uff0c\u5e76\u4e14Web\u63a5\u53e3\u5c06\u4e0d\u518d\u53ef\u4ee5\u4eceWAN\u8fdb\u884c\u8bbf\u95ee\u3002 \u8fd9\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u63a5\u53e3\u4e0a\u7684\u8bbf\u95ee\uff0c\u53ea\u4f1a\u5f71\u54cd\u5305\u542b\u7aef\u53e3\u8f6c\u53d1\u7684\u63a5\u53e3\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u548c1\uff1a1 NAT<\/h2>\n<p style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u4f18\u5148\u4e8e1\uff1a1 NAT\u3002 \u5982\u679c\u5728\u4e00\u4e2a\u5916\u90e8IP\u5730\u5740\u4e0a\u5b9a\u4e49\u7aef\u53e3\u8f6c\u53d1\u5230\u4e3b\u673a\uff0c\u5e76\u4e141\uff1a1 NAT\u6761\u76ee\u4e5f\u5b9a\u4e49\u5728\u76f8\u540c\u7684\u5916\u90e8IP\u5730\u5740\u4e0a\uff0c\u5e76\u5c06\u6240\u6709\u5185\u5bb9\u8f6c\u53d1\u5230\u4e0d\u540c\u7684\u4e3b\u673a\uff0c\u5219\u7aef\u53e3\u8f6c\u53d1\u5c06\u4fdd\u6301\u6d3b\u52a8\u72b6\u6001\u5e76\u7ee7\u7eed\u8f6c\u53d1\u5230\u539f\u6765\u7684\u4e3b\u673a\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u6dfb\u52a0\u7aef\u53e3\u8f6c\u53d1<\/h2>\n<p style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u5728<strong>\u9632\u706b\u5899&gt; NAT<\/strong>\uff0c\u7aef\u53e3\u8f6c\u53d1\u9009\u9879\u5361\u4e0a\u8fdb\u884c\u7ba1\u7406\u3002\u6b64\u9875\u9762\u4e0a\u7684\u89c4\u5219\u8ddf\u9632\u706b\u5899\u89c4\u5219\u76f8\u540c\u7684\u65b9\u5f0f\u8fdb\u884c\u7ba1\u7406\u3002\u8981\u5f00\u59cb\u6dfb\u52a0\u7aef\u53e3\u8f6c\u53d1\u6761\u76ee\uff0c\u8bf7\u5355\u51fb<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1693\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/fa-level-up.png\" alt=\"\" width=\"25\" height=\"25\" \/>\u6dfb\u52a0\u6309\u94ae\u8fdb\u5165\u7aef\u53e3\u8f6c\u53d1\u7f16\u8f91\u9875\u9762\u3002\u5305\u62ec\u4ee5\u4e0b\u9009\u9879\uff1a<\/p>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>Disable:\u00a0 \u53ef\u9009\u62e9\u7981\u7528\u6b64NAT\u7aef\u53e3\u8f6c\u53d1\u3002\u8981\u53d6\u6d88\u6fc0\u6d3b\u89c4\u5219\uff0c\u8bf7\u9009\u4e2d\u6b64\u6846\u3002<\/li>\n<li>No RDR (NOT):\u00a0 \u5426\u5b9a\u6b64\u7aef\u53e3\u7684\u542b\u4e49\uff0c\u8868\u793a\u5982\u679c\u6b64\u89c4\u5219\u5339\u914d\uff0c\u5219\u4e0d\u5e94\u6267\u884c\u91cd\u5b9a\u5411\u3002 \u5927\u591a\u6570\u914d\u7f6e\u4e0d\u4f1a\u4f7f\u7528\u8be5\u5b57\u6bb5\u3002 \u8fd9\u5c06\u7528\u4e8e\u8986\u76d6\u8f6c\u53d1\u64cd\u4f5c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u9700\u8981\u8f6c\u53d1\u64cd\u4f5c\uff0c\u4ee5\u5141\u8bb8\u8bbf\u95ee\u7528\u4e8e1\uff1a1 NAT\u7684IP\u4e0a\u7684\u9632\u706b\u5899\u4e0a\u7684\u670d\u52a1\u6216\u5176\u4ed6\u7c7b\u4f3c\u7684\u9ad8\u7ea7\u65b9\u6848\u3002<\/li>\n<li>Interface:\u00a0 \u7aef\u53e3\u8f6c\u53d1\u7684\u63a5\u53e3\u5c06\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002 \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u5c06\u662f\u5e7f\u57df\u7f51\u3002 \u5bf9\u4e8e\u5176\u4ed6\u5e7f\u57df\u7f51\u94fe\u63a5\u6216\u672c\u5730\u91cd\u5b9a\u5411\uff0c\u8fd9\u53ef\u80fd\u662f\u4e0d\u540c\u7684\u63a5\u53e3\u3002 \u63a5\u53e3\u662f\u9632\u706b\u5899\u4e0a\u6b64\u7aef\u53e3\u8f6c\u53d1\u6d41\u91cf\u8fdb\u5165\u7684\u4f4d\u7f6e\u3002<\/li>\n<li>Protocol:\u00a0 \u5339\u914d\u4f20\u5165\u6d41\u91cf\u7684\u534f\u8bae\u3002 \u8fd9\u5fc5\u987b\u8bbe\u7f6e\u4e3a\u5339\u914d\u6b63\u5728\u8f6c\u53d1\u7684\u670d\u52a1\u7c7b\u578b\uff0c\u65e0\u8bba\u662fTCP\u3001UDP\u8fd8\u662f\u5176\u4ed6\u53ef\u7528\u9009\u9879\u3002 \u6b63\u5728\u8f6c\u53d1\u7684\u5927\u591a\u6570\u5e38\u89c1\u670d\u52a1\u5c06\u662fTCP\u6216UDP\u3002 TCP \/ UDP\u9009\u9879\u901a\u8fc7\u5355\u4e00\u89c4\u5219\u5c06TCP\u548cUDP\u4e00\u8d77\u8f6c\u53d1\u3002<\/li>\n<li>Source:\u00a0 \u8fd9\u4e9b\u9009\u9879\u9ed8\u8ba4\u9690\u85cf\u5728\u201c\u9ad8\u7ea7\u201d\u6309\u94ae\u540e\u9762\uff0c\u5e76\u8bbe\u7f6e\u4e3a\u4efb\u4f55\u6e90\u3002 \u6e90\u9009\u9879\u9650\u5236\u54ea\u4e9b\u6e90IP\u5730\u5740\u548c\u7aef\u53e3\u53ef\u4ee5\u8bbf\u95ee\u6b64\u7aef\u53e3\u8f6c\u53d1\u6761\u76ee\u3002 \u8fd9\u4e9b\u901a\u5e38\u4e0d\u662f\u5fc5\u9700\u7684\u3002 \u5982\u679c\u5fc5\u987b\u53ef\u4ee5\u4eceInternet\u4e0a\u7684\u4efb\u4f55\u4f4d\u7f6e\u8bbf\u95ee\u7aef\u53e3\u8f6c\u53d1\uff0c\u5219\u6e90\u5fc5\u987b\u4e3a\u4efb\u4f55\u4f4d\u7f6e\u3002 \u5bf9\u4e8e\u53d7\u9650\u8bbf\u95ee\u670d\u52a1\uff0c\u8bf7\u5728\u6b64\u5904\u4f7f\u7528\u522b\u540d\uff0c\u4ee5\u4fbf\u53ea\u6709\u6709\u9650\u7684\u4e00\u7ec4IP\u5730\u5740\u53ef\u4ee5\u8bbf\u95ee\u7aef\u53e3\u3002 \u9664\u975e\u670d\u52a1\u7edd\u5bf9\u9700\u8981\u7279\u5b9a\u7684\u6e90\u7aef\u53e3\uff0c\u5426\u5219\u6e90\u7aef\u53e3\u8303\u56f4\u5fc5\u987b\u4fdd\u7559\uff0c\u56e0\u4e3a\u51e0\u4e4e\u6240\u6709\u5ba2\u6237\u7aef\u90fd\u5c06\u4f7f\u7528\u968f\u673a\u6e90\u7aef\u53e3\u3002<\/li>\n<li>Destination: \u8981\u8f6c\u53d1\u7684\u6d41\u91cf\u7684IP\u5730\u5740\u6700\u521d\u662f\u6307\u5b9a\u7684\u3002\u5bf9\u4e8eWAN\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u662fWAN\u5730\u5740\u3002\u5728\u6709\u591a\u4e2a\u516c\u6709IP\u5730\u5740\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u53ef\u80fd\u662fWAN\u4e0a\u7684\u865a\u62dfIP\u3002<\/li>\n<li>Destination port range: \u6d41\u91cf\u7684\u539f\u59cb\u76ee\u6807\u7aef\u53e3\uff0c\u5728\u5b83\u88ab\u91cd\u5b9a\u5411\u5230\u6307\u5b9a\u7684\u76ee\u6807\u4e3b\u673a\u4e4b\u524d\u4eceInternet\u8fdb\u5165\u3002 \u5982\u679c\u8f6c\u53d1\u5355\u4e2a\u7aef\u53e3\uff0c\u8bf7\u5728\u201cFrom port\u201d\u6846\u4e2d\u8f93\u5165\u5b83\uff0c\u5e76\u5c06\u201cTo port \u201d\u7aef\u53e3\u6846\u7559\u4e3a\u7a7a\u767d\u3002 \u5728\u8fd9\u4e2a\u7ec4\u7684\u4e0b\u62c9\u6846\u4e2d\u53ef\u4ee5\u9009\u62e9\u5171\u540c\u670d\u52a1\u5217\u8868\u3002 \u7aef\u53e3\u522b\u540d\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8f6c\u53d1\u4e00\u7ec4\u670d\u52a1\u3002 \u5982\u679c\u5728\u6b64\u4f7f\u7528\u522b\u540d\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u76f8\u540c\u7684\u522b\u540d\u4f5c\u4e3a\u91cd\u5b9a\u5411\u76ee\u6807\u7aef\u53e3\u3002<\/li>\n<li>Redirect target IP: \u6d41\u91cf\u5c06\u88ab\u8f6c\u53d1\u7684IP\u5730\u5740\uff0c\u6216\u6280\u672f\u4e0a\u91cd\u5b9a\u5411\u7684IP\u5730\u5740\u3002 \u8fd9\u91cc\u662f\u522b\u540d\uff0c\u4f46\u522b\u540d\u53ea\u80fd\u5305\u542b\u4e00\u4e2a\u5730\u5740\u3002 \u5982\u679c\u522b\u540d\u5305\u542b\u591a\u4e2a\u5730\u5740\uff0c\u7aef\u53e3\u5c06\u4ea4\u66ff\u5730\u8f6c\u53d1\u7ed9\u6bcf\u4e2a\u4e3b\u673a\uff0c\u8fd9\u4e0d\u662f\u5927\u591a\u6570\u4eba\u60f3\u8981\u7684\u3002 \u8981\u5c06\u4e00\u4e2a\u7aef\u53e3\u7684\u8d1f\u8f7d\u5e73\u8861\u8bbe\u7f6e\u4e3a\u591a\u4e2a\u5185\u90e8\u670d\u52a1\u5668\uff0c\u8bf7\u53c2\u9605\u670d\u52a1\u5668\u8d1f\u8f7d\u5e73\u8861\u3002<\/li>\n<li>Redirect target port: \u8f6c\u53d1\u7aef\u53e3\u8303\u56f4\u7684\u8d77\u59cb\u7aef\u53e3\u53f7\u3002\u5982\u679c\u4e00\u7cfb\u5217\u7aef\u53e3\u88ab\u8f6c\u53d1\uff0c\u4f8b\u598219000-19100\uff0c\u56e0\u4e3a\u7aef\u53e3\u6570\u91cf\u5fc5\u987b\u4e00\u5bf9\u4e00\u5339\u914d\uff0c\u6240\u4ee5\u53ea\u6307\u5b9a\u672c\u5730\u8d77\u70b9\u3002<\/li>\n<li>\u6b64\u5b57\u6bb5\u5141\u8bb8\u5728\u5916\u90e8\u6253\u5f00\u4e00\u4e2a\u4e0d\u540c\u4e8e\u5185\u90e8\u4e3b\u673a\u6b63\u5728\u4fa6\u542c\u7684\u7aef\u53e3\u3002 \u4f8b\u5982\uff0c\u5916\u90e8\u7aef\u53e38888\u53ef\u4ee5\u5728\u5185\u90e8\u670d\u52a1\u5668\u4e0a\u8f6c\u53d1\u5230\u672c\u5730\u7aef\u53e380\u4ee5\u83b7\u53d6HTTP\u3002 \u901a\u7528\u670d\u52a1\u5217\u8868\u53ef\u4ece\u4e0b\u62c9\u6846\u4e2d\u9009\u62e9\u3002<\/li>\n<li>\u7aef\u53e3\u522b\u540d\u4e5f\u53ef\u4ee5\u7528\u4e8e\u8f6c\u53d1\u4e00\u7ec4\u670d\u52a1\u3002\u5982\u679c\u5728\u6b64\u4f7f\u7528\u522b\u540d\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u76f8\u540c\u7684\u522b\u540d\u4f5c\u4e3a\u76ee\u6807\u7aef\u53e3\u8303\u56f4\u3002<\/li>\n<li>Description: \u4e0epfSense\u7684\u5176\u4ed6\u90e8\u5206\u4e00\u6837\uff0c\u8be5\u5b57\u6bb5\u53ef\u7528\u4e8e\u7b80\u77ed\u4ecb\u7ecd\u7aef\u53e3\u8f6c\u53d1\u7684\u5185\u5bb9\u6216\u5b58\u5728\u539f\u56e0\u3002<\/li>\n<li>No XML-RPC Sync:\u6b64\u9009\u9879\u4ec5\u5728\u6b63\u5728\u4f7f\u7528HA\u7fa4\u96c6\u914d\u7f6e\u65f6\u624d\u76f8\u5173\uff0c\u5426\u5219\u5e94\u8be5\u8df3\u8fc7\u6b64\u9009\u9879\u3002 \u5728\u4f7f\u7528\u5177\u6709\u914d\u7f6e\u540c\u6b65\u7684HA\u7fa4\u96c6\u65f6\uff0c\u9009\u4e2d\u6b64\u6846\u5c06\u963b\u6b62\u5c06\u89c4\u5219\u540c\u6b65\u5230\u7fa4\u96c6\u7684\u5176\u4ed6\u6210\u5458\uff08\u8bf7\u53c2\u9605\u9ad8\u53ef\u7528\u6027\uff09\u3002 \u4f46\u662f\uff0c\u901a\u5e38\u6240\u6709\u89c4\u5219\u90fd\u5e94\u8be5\u540c\u6b65\u3002 \u6b64\u9009\u9879\u4ec5\u5728\u4e3b\u8282\u70b9\u4e0a\u6709\u6548\uff0c\u5b83\u4e0d\u4f1a\u963b\u6b62\u89c4\u5219\u5728\u4ece\u8282\u70b9\u4e0a\u88ab\u8986\u76d6\u3002<\/li>\n<li>NAT Reflection: \u672c\u7ae0\u540e\u9762\u5c06\u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecd\u8fd9\u4e2a\u4e3b\u9898\uff08NAT\u56de\u6d41\uff09\u3002 \u6b64\u9009\u9879\u5141\u8bb8\u542f\u7528\u6216\u7981\u7528\u6bcf\u4e2a\u89c4\u5219\u7684\u56de\u6d41\u6765\u8986\u76d6\u5168\u5c40\u9ed8\u8ba4\u503c\u3002 NAT\u56de\u6d41\u4e2d\u5c06\u66f4\u8be6\u7ec6\u5730\u89e3\u91ca\u6b64\u5b57\u6bb5\u4e2d\u7684\u9009\u9879\u3002<\/li>\n<li>Filter Rule Association: \u8fd9\u6700\u540e\u7684\u9009\u62e9\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002 \u7aef\u53e3\u8f6c\u53d1\u6761\u76ee\u4ec5\u5b9a\u4e49\u54ea\u4e9b\u6d41\u91cf\u5c06\u88ab\u91cd\u5b9a\u5411\uff0c\u9700\u8981\u9632\u706b\u5899\u89c4\u5219\u6765\u901a\u8fc7\u8be5\u91cd\u5b9a\u5411\u4f20\u9012\u4efb\u4f55\u6d41\u91cf\u3002 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9009\u62e9\u6dfb\u52a0\u5173\u8054\u7684\u8fc7\u6ee4\u5668\u89c4\u5219\u3002 \u53ef\u7528\u7684\u9009\u62e9\u662f\uff1a<\/li>\n<\/ul>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u00a0None:\u5982\u679c\u9009\u62e9\u6b64\u9879\uff0c\u5219\u4e0d\u4f1a\u521b\u5efa\u9632\u706b\u5899\u89c4\u5219\u3002<\/li>\n<li>Add associated filter rule:\u6b64\u9009\u9879\u521b\u5efa\u4e00\u4e2a\u94fe\u63a5\u5230\u6b64NAT\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u7684\u9632\u706b\u5899\u89c4\u5219\u3002 \u5bf9NAT\u89c4\u5219\u6240\u505a\u7684\u66f4\u6539\u4f1a\u81ea\u52a8\u66f4\u65b0\u5230\u9632\u706b\u5899\u89c4\u5219\u4e2d\u3002 \u8fd9\u662f\u5927\u591a\u6570\u7528\u4f8b\u7684\u6700\u4f73\u9009\u62e9\u3002 \u5982\u679c\u9009\u62e9\u4e86\u6b64\u9009\u9879\uff0c\u5219\u5728\u4fdd\u5b58\u89c4\u5219\u540e\uff0c\u4f1a\u5728\u6b64\u5904\u653e\u7f6e\u4e00\u4e2a\u94fe\u63a5\uff0c\u8fd9\u4f1a\u5f15\u5bfc\u5230\u76f8\u5173\u7684\u9632\u706b\u5899\u89c4\u5219\u3002<\/li>\n<li>Add unassociated filter rule:\u6b64\u9009\u9879\u521b\u5efa\u4e00\u4e2a\u4e0e\u6b64NAT\u7aef\u53e3\u5206\u5f00\u7684\u9632\u706b\u5899\u89c4\u5219\u3002 \u5bf9NAT\u89c4\u5219\u6240\u505a\u7684\u66f4\u6539\u5fc5\u987b\u5728\u9632\u706b\u5899\u89c4\u5219\u4e2d\u624b\u52a8\u66f4\u6539\u3002 \u5982\u679c\u5fc5\u987b\u5728\u9632\u706b\u5899\u89c4\u5219\u4e0a\u8bbe\u7f6e\u5176\u4ed6\u9009\u9879\u6216\u9650\u5236\uff0c\u800c\u4e0d\u662fNAT\u89c4\u5219\uff0c\u5219\u8fd9\u5f88\u6709\u7528\u3002<\/li>\n<li>Pass:\u6b64\u9009\u9879\u5728NAT\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u4e0a\u4f7f\u7528\u7279\u6b8a\u7684pf\u5173\u952e\u5b57\uff0c\u4f7f\u6d41\u91cf\u65e0\u9700\u9632\u706b\u5899\u89c4\u5219\u5373\u53ef\u901a\u8fc7\u3002 \u7531\u4e8e\u4e0d\u5b58\u5728\u5355\u72ec\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u56e0\u6b64\u7b26\u5408\u6b64\u89c4\u5219\u7684\u4efb\u4f55\u6d41\u91cf\u90fd\u4f1a\u8f6c\u53d1\u5230\u76ee\u6807\u7cfb\u7edf\u3002\u6ce8\u610f\uff1a\u4f7f\u7528Pass\u89c4\u5219\u53ea\u80fd\u5728\u5305\u542b\u9632\u706b\u5899\u9ed8\u8ba4\u7f51\u5173\u7684\u63a5\u53e3\u4e0a\u5de5\u4f5c\uff0c\u56e0\u6b64\u5b83\u4eec\u65e0\u6cd5\u4e0e\u591aWAN\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u70b9\u51fb\u4fdd\u5b58<\/li>\n<li>\u70b9\u51fb\u5e94\u7528\u66f4\u6539<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u4e0b\u56fe\u7aef\u53e3\u8f6c\u53d1\u793a\u4f8b\u5305\u542b\u4e00\u4e2a\u6b63\u786e\u8bbe\u7f6e\u7684\u7aef\u53e3\u8f6c\u53d1\u7f16\u8f91\u9875\u9762\u793a\u4f8b\uff0c\u7528\u4e8e\u5c06WAN\u4e0a\u6307\u5b9a\u4e3aWAN IP\u5730\u5740\u7684HTTP\u5165\u7ad9\u8f6c\u53d1\u523010.3.0.15\u7684\u5185\u90e8\u7cfb\u7edf\u3002<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1785\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example.png\" alt=\"\" width=\"1141\" height=\"937\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example.png 1141w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example-1024x841.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example-300x246.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example-768x631.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example-365x300.png 365w\" sizes=\"auto, (max-width: 1141px) 100vw, 1141px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u7aef\u53e3\u8f6c\u53d1\u793a\u4f8b<\/em><\/p>\n<p style=\"text-align: justify;\">\u70b9\u51fb\u4fdd\u5b58\u540e\uff0c\u7aef\u53e3\u8f6c\u53d1\u5217\u8868\u518d\u6b21\u663e\u793a\uff0c\u65b0\u521b\u5efa\u7684\u6761\u76ee\u5c06\u51fa\u73b0\u5728\u5217\u8868\u4e2d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1786\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist.png\" alt=\"\" width=\"1140\" height=\"156\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist.png 1140w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist-1024x140.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist-300x41.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist-768x105.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_inlist-500x68.png 500w\" sizes=\"auto, (max-width: 1140px) 100vw, 1140px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u7aef\u53e3\u8f6c\u53d1\u5217\u8868<\/em><\/p>\n<p style=\"text-align: justify;\">\u4ed4\u7ec6\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219\uff0c\u00a0\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u8be5\u89c4\u5219\u5c06\u663e\u793a\u5141\u8bb8\u6d41\u91cf\u8fdb\u5165\u6b63\u786e\u7aef\u53e3\u7684\u5185\u90e8IP\u5730\u5740\u3002<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1787\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule.png\" alt=\"\" width=\"1141\" height=\"35\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule.png 1141w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1024x31.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-300x9.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-768x24.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-500x15.png 500w\" sizes=\"auto, (max-width: 1141px) 100vw, 1141px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u7aef\u53e3\u8f6c\u53d1\u9632\u706b\u5899\u89c4\u5219<\/em><\/p>\n<p style=\"text-align: justify;\">\u81ea\u52a8\u751f\u6210\u7684\u89c4\u5219\u7684\u6765\u6e90\u5e94\u5c3d\u53ef\u80fd\u9650\u5236\u3002 \u5bf9\u4e8e\u901a\u5e38\u9700\u8981\u5e7f\u6cdb\u8bbf\u95ee\u7684\u90ae\u4ef6\u548cWeb\u670d\u52a1\u5668\u7b49\u5185\u5bb9\u6765\u8bf4\uff0c\u8fd9\u662f\u4e0d\u5207\u5b9e\u9645\u7684\uff0c\u4f46\u5bf9\u4e8e\u8fdc\u7a0b\u7ba1\u7406\u670d\u52a1\uff08\u4f8b\u5982SSH\uff0cRDP\u7b49\uff09\uff0c\u53ef\u80fd\u53ea\u6709\u5c11\u6570\u4e3b\u673a\u901a\u8fc7\u4e92\u8054\u7f51\u8bbf\u95ee\u8fd9\u4e9b\u670d\u52a1\u5668\u3002 \u5b89\u5168\u7684\u505a\u6cd5\u662f\u521b\u5efa\u6388\u6743\u4e3b\u673a\u7684\u522b\u540d\uff0c\u7136\u540e\u5c06\u6e90\u4ece\u4efb\u610f\u66f4\u6539\u4e3a\u522b\u540d\u3002 \u5426\u5219\uff0c\u670d\u52a1\u5668\u5bf9\u6574\u4e2a\u4e92\u8054\u7f51\u90fd\u662f\u5f00\u653e\u7684\u3002<\/p>\n<p style=\"text-align: justify;\">\u5982\u679c\u4e00\u5207\u770b\u8d77\u6765\u90fd\u6b63\u786e\uff0c\u90a3\u4e48\u5f53\u4ece\u7f51\u7edc\u5916\u90e8\u8fdb\u884c\u6d4b\u8bd5\u65f6\uff0c\u7aef\u53e3\u5c06\u4f1a\u5de5\u4f5c\u3002\u5982\u679c\u51fa\u73b0\u95ee\u9898\uff0c\u8bf7\u53c2\u9605\u672c\u7ae0\u540e\u9762\u7684\u7aef\u53e3\u8f6c\u53d1\u6545\u969c\u6392\u9664\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u8ddf\u8e2a\u7aef\u53e3\u8f6c\u53d1\u7684\u53d8\u5316<\/h2>\n<p style=\"text-align: justify;\">\u9632\u706b\u5899\u65f6\u95f4\u6233\u4f1a\u5728\u521b\u5efa\u6216\u4e0a\u6b21\u7f16\u8f91\u65f6\u6dfb\u52a0\u5230\u7aef\u53e3\u8f6c\u53d1\u6761\u76ee\u4e2d\uff0c\u4ee5\u663e\u793a\u54ea\u4e2a\u7528\u6237\u521b\u5efa\u4e86\u89c4\u5219\uff0c\u4ee5\u53ca\u7f16\u8f91\u89c4\u5219\u7684\u6700\u540e\u4e00\u4e2a\u4eba\u3002 \u7531\u5173\u8054\u7684NAT\u89c4\u5219\u81ea\u52a8\u521b\u5efa\u7684\u9632\u706b\u5899\u89c4\u5219\u4e5f\u4f1a\u5728\u5173\u8054\u7684\u9632\u706b\u5899\u89c4\u5219\u7684\u521b\u5efa\u65f6\u95f4\u6233\u4e0a\u8fdb\u884c\u6807\u8bb0\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u9650\u5236<\/h2>\n<p style=\"text-align: justify;\">\u6bcf\u4e2a\u53ef\u7528\u7684\u516c\u5171IP\u5730\u5740\u53ea\u80fd\u8f6c\u53d1\u5230\u4e00\u4e2a\u5185\u90e8\u4e3b\u673a\u3002 \u4f8b\u5982\uff0c\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u516c\u5171IP\u5730\u5740\u53ef\u7528\uff0c\u5219\u53ef\u4ee5\u914d\u7f6e\u4e00\u4e2a\u4f7f\u7528TCP\u7aef\u53e380\u6765\u63d0\u4f9bWeb\u6d41\u91cf\u7684\u5185\u90e8Web\u670d\u52a1\u5668\u3002 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style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1788\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources.png\" alt=\"\" width=\"1141\" height=\"130\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources.png 1141w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources-1024x117.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources-300x34.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources-768x88.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_example_diffsources-500x57.png 500w\" sizes=\"auto, (max-width: 1141px) 100vw, 1141px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u7aef\u53e3\u8f6c\u53d1\u5305\u542b\u4e0d\u540c\u7684\u6765\u6e90\u793a\u4f8b<\/em><\/p>\n<p style=\"text-align: justify;\">\u4e3a\u4e86\u4f7fWAN\u5730\u5740\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6765\u81ea\u5185\u90e8\u63a5\u53e3\u7684\u5404\u81ea\u7684WAN IP\u5730\u5740\u8bbf\u95ee\uff0c\u5fc5\u987b\u542f\u7528NAT\u56de\u6d41\uff0c\u5728\u540e\u9762\u7684<strong>NAT\u56de\u6d41<\/strong>\u7ae0\u8282\u4e2d\u5c06\u5bf9\u6b64\u8fdb\u884c\u4ecb\u7ecd\u3002 \u59cb\u7ec8\u5728\u4e0d\u540c\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u4e0a\u6d4b\u8bd5\u6765\u81ea\u7cfb\u7edf\u7684\u7aef\u53e3\u8f6c\u53d1\uff0c\u800c\u4e0d\u662f\u4ece\u7f51\u7edc\u5185\u90e8\u8f6c\u53d1\u3002 \u4ece3G \/ 4G\u79fb\u52a8\u8bbe\u5907\u8fdb\u884c\u6d4b\u8bd5\u662f\u786e\u8ba4\u5916\u90e8\u8fde\u63a5\u6027\u7684\u4e00\u79cd\u5feb\u6377\u65b9\u5f0f\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u4f7f\u7528UPnP\u6216NAT-PMP\u670d\u52a1\u8fdb\u884c\u81ea\u6211\u914d\u7f6e<\/h2>\n<p style=\"text-align: justify;\">\u67d0\u4e9b\u7a0b\u5e8f\u652f\u6301\u901a\u7528\u5373\u63d2\u5373\u7528\uff08UPnP\uff09\u6216NAT\u7aef\u53e3\u6620\u5c04\u534f\u8bae\uff08NAT-PMP\uff09\u81ea\u52a8\u914d\u7f6eNAT\u7aef\u53e3\u8f6c\u53d1\u548c\u9632\u706b\u5899\u89c4\u5219\u3002\u00a0\u4f46\u4e5f\u4f1a\u5b58\u5728\u66f4\u591a\u7684\u5b89\u5168\u95ee\u9898\uff0c\u4f46\u5728\u5bb6\u5ead\u7f51\u7edc\u4e2d\uff0c\u597d\u5904\u901a\u5e38\u8d85\u8fc7\u4efb\u4f55\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u5e26\u7aef\u53e3\u8f6c\u53d1\u7684\u6d41\u91cf\u91cd\u5b9a\u5411<\/h2>\n<p style=\"text-align: justify;\">\u7aef\u53e3\u8f6c\u53d1\u7684\u53e6\u4e00\u4e2a\u7528\u9014\u662f\u900f\u660e\u5730\u91cd\u5b9a\u5411\u6765\u81ea\u5185\u90e8\u7f51\u7edc\u7684\u6d41\u91cf\u3002 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\u5b83\u4eec\u5fc5\u987b\u5728\u7aef\u53e3\u8f6c\u53d1\u5217\u8868\u4e2d\u6309\u7167\u6b63\u786e\u7684\u987a\u5e8f\u6392\u5217\uff1a\u9996\u5148\u662f\u5426\u5b9a\u89c4\u5219\uff0c\u7136\u540e\u662f\u91cd\u5b9a\u5411\u3002<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1789\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not.png\" alt=\"\" width=\"1140\" height=\"661\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not.png 1140w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not-1024x594.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not-300x174.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not-768x445.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect_not-500x290.png 500w\" sizes=\"auto, (max-width: 1140px) 100vw, 1140px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u91cd\u5b9a\u5411\u7aef\u53e3\u8f6c\u53d1\uff08\u5426\u5b9a\uff09\u793a\u4f8b<\/em><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1791\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect.png\" alt=\"\" width=\"1140\" height=\"708\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect.png 1140w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect-1024x636.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect-300x186.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect-768x477.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_redirect-483x300.png 483w\" sizes=\"auto, (max-width: 1140px) 100vw, 1140px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u91cd\u5b9a\u5411\u7aef\u53e3\u8f6c\u53d1\u793a\u4f8b<\/em><\/p>\n<h1 style=\"text-align: justify;\">1\uff1a1NAT<\/h1>\n<p class=\"caption\" style=\"text-align: justify;\">\u53c2\u89c1<a href=\"https:\/\/blog.pfchina.org\/?p=179\" target=\"_self\" rel=\"noopener noreferrer\">pfSense book\u4e4b1\uff1a1 NAT<\/a><\/p>\n<h1 style=\"text-align: justify;\">NAT\u548c\u9632\u706b\u5899\u5904\u7406\u7684\u987a\u5e8f<\/h1>\n<p style=\"text-align: justify;\">\u5728\u914d\u7f6eNAT\u548c\u9632\u706b\u5899\u89c4\u5219\u65f6\uff0c\u4e86\u89e3\u9632\u706b\u5899\u548cNAT\u7684\u5904\u7406\u987a\u5e8f\u975e\u5e38\u91cd\u8981\u3002 \u57fa\u672c\u7684\u903b\u8f91\u987a\u5e8f\u89c1\u4e0b\u56fe\u3002 \u8be5\u56fe\u8fd8\u63cf\u8ff0\u4e86tcpdump\u7ed1\u5b9a\u7684\u4f4d\u7f6e\uff0c\u56e0\u4e3a\u5176\u4f5c\u4e3a\u6545\u969c\u6392\u9664\u5de5\u5177\u7684\u7528\u9014\u5c06\u5728\u672c\u4e66\u540e\u9762\u7684\u6570\u636e\u5305\u6355\u83b7\u4e2d\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<p style=\"text-align: justify;\"><a href=\"file:\/\/\/C:\/Users\/fxn\/AppData\/Local\/Temp\/OpenLiveWriter-274329463\/supfiles5419FA8F\/diagrams-stack-processing-order[5].png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1792\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/diagrams-stack-processing-order.png\" alt=\"\" width=\"206\" height=\"433\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/diagrams-stack-processing-order.png 206w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/diagrams-stack-processing-order-143x300.png 143w\" sizes=\"auto, (max-width: 206px) 100vw, 206px\" \/><\/a><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>NAT\u548c\u9632\u706b\u5899\u5904\u7406\u7684\u987a\u5e8f<\/em><\/p>\n<p style=\"text-align: justify;\">\u6bcf\u4e2a\u56fe\u5c42\u5728\u5178\u578b\u914d\u7f6e\u4e2d\u5e76\u4e0d\u603b\u662f\u88ab\u51fb\u4e2d\uff0c\u4f46\u662f\u4f7f\u7528\u6d6e\u52a8\u89c4\u5219\u6216\u624b\u52a8\u51fa\u7ad9NAT\u6216\u5176\u4ed6\u66f4\u590d\u6742\u7684\u914d\u7f6e\u53ef\u4ee5\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u51fb\u4e2d\u6bcf\u4e2a\u56fe\u5c42\u3002 \u8be5\u56fe\u4ec5\u6db5\u76d6\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\u7684\u57fa\u672c\u60c5\u51b5\u3002<\/p>\n<p style=\"text-align: justify;\">\u4eceLAN\u5230WAN\u7684\u6d41\u91cf\u6309\u7167\u4ee5\u4e0b\u66f4\u8be6\u7ec6\u7684\u5217\u8868\u4e2d\u7684\u63cf\u8ff0\u8fdb\u884c\u5904\u7406\u3002 \u5982\u679c\u67d0\u79cd\u7c7b\u578b\u7684\u89c4\u5219\u4e0d\u5b58\u5728\u6216\u4e0d\u5339\u914d\uff0c\u5219\u4f1a\u8df3\u8fc7\u5b83\u4eec\u3002<\/p>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u7aef\u53e3\u8f6c\u53d1\u6216LAN\u63a5\u53e3\u4e0a\u76841\uff1a1 NAT\uff08\u4f8b\u5982\u4ee3\u7406\u6216DNS\u91cd\u5b9a\u5411\uff09<\/li>\n<li>\u5c40\u57df\u7f51\u63a5\u53e3\u7684\u9632\u706b\u5899\u89c4\u5219\uff1aLAN\u4e0a\u7684\u5165\u7ad9\u6d6e\u52a8\u89c4\u5219\uff0c\u63a5\u53e3\u7ec4\u89c4\u5219\u5305\u62ec\u5c40\u57df\u7f51\u63a5\u53e3\uff0c\u5c40\u57df\u7f51\u9009\u9879\u5361\u89c4\u5219\u3002<\/li>\n<li>WAN\u4e0a\u76841\uff1a1 NAT\u6216\u51fa\u7ad9NAT\u89c4\u5219<\/li>\n<li>\u4e0eWAN\u4e0a\u51fa\u7ad9\u5339\u914d\u7684\u6d6e\u52a8\u89c4\u5219<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cWAN\u548cWAN\u9009\u9879\u5361\u9632\u706b\u5899\u89c4\u5219\u4e2d\u7684\u7aef\u53e3\u8f6c\u53d1\u4e0d\u9002\u7528\u3002<\/p>\n<p style=\"text-align: justify;\">\u5bf9\u4e8e\u5728WAN\u4e0a\u542f\u52a8\u7684\u6d41\u91cf\uff0c\u987a\u5e8f\u76f8\u540c\uff0c\u4f46\u65b9\u5411\u76f8\u53cd\uff1a<\/p>\n<p style=\"text-align: justify;\">WAN\u63a5\u53e3\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\u62161\uff1a1 NAT\uff08\u4f8b\u5982\u516c\u5171\u670d\u52a1\uff09<\/p>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>WAN\u63a5\u53e3\u7684\u9632\u706b\u5899\u89c4\u5219\uff1aWAN\u4e0a\u7684\u6d6e\u52a8\u89c4\u5219\u5165\u7ad9\uff0c\u63a5\u53e3\u7ec4\u7684\u89c4\u5219\u5305\u62ecWAN\u63a5\u53e3\uff0c\u7136\u540e\u662fWAN\u9009\u9879\u5361\u89c4\u5219\u3002<\/li>\n<li>LAN\u4e0a\u76841\uff1a1 NAT\u6216\u51fa\u7ad9NAT\u89c4\u5219<\/li>\n<li>\u6d6e\u52a8\u89c4\u5219\uff0c\u5339\u914dLAN\u4e0a\u51fa\u7ad9<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">\u6839\u636e\u65b9\u5411\u7684\u4e0d\u540c\uff0ctcpdump\u59cb\u7ec8\u662f\u67e5\u770b\u6d41\u91cf\u7684\u7b2c\u4e00\u4ef6\u4e5f\u662f\u6700\u540e\u4e00\u4ef6\u4e8b\u3002\u9996\u5148\uff0c\u5728\u8fdb\u884c\u4efb\u4f55NAT\u548c\u9632\u706b\u5899\u5904\u7406\u4e4b\u524d\u7684\u4f20\u5165\u63a5\u53e3\u4e0a\uff0c\u5e76\u5728\u51fa\u7ad9\u63a5\u53e3\u4e0a\u4fdd\u7559\u3002\u5b83\u663e\u793a\u4e86\u4f20\u8f93\u7ebf\u8def\u4e0a\u7684\u5185\u5bb9\u3002 \uff08\u8bf7\u53c2\u9605\u6570\u636e\u5305\u6355\u83b7\uff09<\/p>\n<p class=\"first admonition-title\" style=\"text-align: justify;\">\u6ce8\u610f<\/p>\n<p class=\"last\" style=\"text-align: justify;\">\u6709\u5173\u9632\u706b\u5899\u89c4\u5219\u5904\u7406\u987a\u5e8f\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u89c4\u5219\u5904\u7406\u987a\u5e8f\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u63a8\u65ad\u5230\u5176\u4ed6\u63a5\u53e3<\/h2>\n<p style=\"text-align: justify;\">\u4e0a\u56fe\u548c\u5217\u8868\u4ec5\u8bf4\u660e\u4e86\u57fa\u672c\u7684\u4e24\u4e2a\u63a5\u53e3\u5c40\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u90e8\u7f72\u3002 \u5728\u4f7f\u7528\u5176\u4ed6\u63a5\u53e3\u65f6\uff0c\u9002\u7528\u76f8\u540c\u7684\u89c4\u5219\u3002 \u4e24\u4e2a\u5185\u90e8\u63a5\u53e3\u4e4b\u95f4\u7684\u6d41\u91cf\u7684\u884c\u4e3a\u4e0eLAN\u5230WAN\u6d41\u91cf\u7684\u884c\u4e3a\u76f8\u540c\uff0c\u4f46\u9ed8\u8ba4NAT\u89c4\u5219\u4e0d\u4f1a\u5728\u5185\u90e8\u63a5\u53e3\u4e4b\u95f4\u8f6c\u6362\u6d41\u91cf\uff0c\u6240\u4ee5NAT\u5c42\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\u3002 \u5982\u679c\u5b58\u5728\u4e0e\u5185\u90e8\u63a5\u53e3\u4e4b\u95f4\u7684\u6d41\u91cf\u76f8\u5339\u914d\u7684\u51fa\u7ad9NAT\u89c4\u5219\uff0c\u5219\u5b83\u5c06\u5982\u56fe\u6240\u793a\u5e94\u7528\u3002<\/p>\n<h2 style=\"text-align: justify;\">NAT\u89c4\u5219<\/h2>\n<p style=\"text-align: justify;\">\u5728\u8fdb\u5165\u63a5\u53e3\u7684\u8def\u4e0a\uff0cNAT\u5728\u9632\u706b\u5899\u89c4\u5219\u4e4b\u524d\u5e94\u7528\uff0c\u56e0\u6b64\u5982\u679c\u76ee\u7684\u5730\u5728\u9014\u4e2d\u88ab\u8f6c\u6362\uff08\u4f8b\u5982\uff0cWAN\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\u62161\uff1a1 NAT\uff09\uff0c\u5219\u9632\u706b\u5899\u89c4\u5219\u5fc5\u987b\u5339\u914d\u8f6c\u6362\u540e\u7684\u76ee\u7684\u5730\u3002 \u5728WAN\u4e0a\u7684\u7aef\u53e3\u8f6c\u53d1\u5178\u578b\u60c5\u51b5\u4e0b\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u89c4\u5219\u5fc5\u987b\u4e0eLAN\u4e0a\u76ee\u6807\u79c1\u6709IP\u5730\u5740\u7684\u76ee\u6807\u5339\u914d\u3002<\/p>\n<p style=\"text-align: justify;\">\u4f8b\u5982\uff0c\u5982\u679c\u7aef\u53e3\u5728WAN\u4e0a\u5411TCP\u7aef\u53e380\u8f6c\u53d1\u5e76\u5e26\u6709\u81ea\u52a8\u6dfb\u52a0\u7684\u9632\u706b\u5899\u89c4\u5219\uff0c\u5219\u56fe\u7aef\u53e3\u8f6c\u53d1\u81f3LAN\u4e3b\u673a\u7684\u9632\u706b\u5899\u89c4\u5219\u4f1a\u663e\u793aWAN\u4e0a\u751f\u6210\u7684\u9632\u706b\u5899\u89c4\u5219\u3002 \u7aef\u53e3\u8f6c\u53d1\u7684\u5185\u90e8IP\u5730\u5740\u4e3a10.3.0.15\u3002 \u65e0\u8bba\u662f\u4f7f\u7528\u7aef\u53e3\u8f6c\u53d1\u8fd8\u662f1\uff1a1 NAT\uff0c\u6240\u6709WAN\u63a5\u53e3\u4e0a\u7684\u9632\u706b\u5899\u89c4\u5219\u90fd\u5fc5\u987b\u4f7f\u7528\u5185\u90e8IP\u5730\u5740\u4f5c\u4e3a\u76ee\u7684\u5730\u3002<\/p>\n<p style=\"text-align: justify;\"><a href=\"file:\/\/\/C:\/Users\/fxn\/AppData\/Local\/Temp\/OpenLiveWriter-274329463\/supfiles5419FA8F\/nat-portforward_fwrule[3].png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1793\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1.png\" alt=\"\" width=\"1141\" height=\"35\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1.png 1141w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1-1024x31.png 1024w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1-300x9.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1-768x24.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/nat-portforward_fwrule-1-500x15.png 500w\" sizes=\"auto, (max-width: 1141px) 100vw, 1141px\" \/><\/a><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u7aef\u53e3\u8f6c\u53d1\u5230LAN\u4e3b\u673a\u7684\u9632\u706b\u5899\u89c4\u5219<\/em><\/p>\n<p style=\"text-align: justify;\">\u51fa\u7ad9\u63a5\u53e3\u7684\u51fa\u7ad9NAT\u5728\u9632\u706b\u5899\u89c4\u5219\u4e4b\u524d\u5e94\u7528\uff0c\u56e0\u6b64\u5728\u51fa\u7ad9NAT\u62161\uff1a1 NAT\u8f6c\u6362\u540e\uff0c\u63a5\u53e3\u4e0a\u51fa\u7ad9\u5339\u914d\u7684\u6240\u6709\u6d6e\u52a8\u89c4\u5219\u5fc5\u987b\u4e0e\u6e90\u5339\u914d\u3002<\/p>\n<footer>\n<h1 style=\"text-align: justify;\">NAT\u00a0\u56de\u6d41<\/h1>\n<p style=\"text-align: justify;\">NAT\u56de\u6d41\u662f\u6307\u4f7f\u7528\u5916\u90e8\uff08\u901a\u5e38\u4e3a\u516c\u5171\uff09IP\u5730\u5740\u4ece\u5185\u90e8\u7f51\u7edc\u8bbf\u95ee\u5916\u90e8\u670d\u52a1\u7684\u80fd\u529b\uff0c\u5c31\u50cf\u5ba2\u6237\u7aef\u5728\u4e92\u8054\u7f51\u4e0a\u4e00\u6837\u3002 \u8bb8\u591a\u5546\u4e1a\u548c\u5f00\u6e90\u9632\u706b\u5899\u6839\u672c\u4e0d\u652f\u6301\u6b64\u529f\u80fd\u3002 \u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u62c6\u5206DNS\u662f\u8bbf\u95ee\u8d44\u6e90\u7684\u9996\u9009\u65b9\u5f0f\uff0c\u4ee5\u4fbf\u9632\u706b\u5899\u4e0d\u6d89\u53ca\u5185\u90e8\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u3002 pfSense\u5bf9NAT\u56de\u6d41\u6709\u5f88\u597d\u7684\u652f\u6301\uff0c\u867d\u7136\u6709\u4e9b\u73af\u5883\u9700\u8981\u5206\u79bbDNS\u57fa\u7840\u7ed3\u6784\u6765\u9002\u5e94\u8fd9\u79cd\u529f\u80fd\u3002\u5728\u672c\u90e8\u5206\u7684\u672b\u5c3e\u4ecb\u7ecd\u4e86\u5206\u79bbDNS\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u914d\u7f6eNAT\u56de\u6d41<\/h2>\n<p style=\"text-align: justify;\">\u8981\u542f\u7528\u5168\u5c40NAT\u56de\u6d41\uff1a<\/p>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u5bfc\u822a\u5230\u7cfb\u7edf&gt;\u9ad8\u7ea7\u8bbe\u7f6e\uff0c\u9632\u706b\u5899&amp;NAT\u9009\u9879\u5361<\/li>\n<li>\u627e\u5230\u9875\u9762\u7684\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u90e8\u5206\uff0c\u914d\u7f6e\u5982\u4e0bNAT\u56de\u6d41\u9009\u9879\uff1a<\/li>\n<li>\u7aef\u53e3\u8f6c\u53d1\u7684NAT\u56de\u6d41\u6a21\u5f0f\uff1a\u5bf9\u4e8e\u7aef\u53e3\u8f6c\u53d1\uff0c\u6709\u4e09\u79cd\u53ef\u7528\u7684NAT\u56de\u6d41\u6a21\u5f0f\u9009\u9879\uff0c\u5b83\u4eec\u662f:<\/li>\n<\/ul>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li><strong>Disable<\/strong>: NAT\u56de\u6d41\u5c06\u4e0d\u4f1a\u6267\u884c\uff0c\u4f46\u5b83\u53ef\u4ee5\u5728\u6bcf\u4e2a\u89c4\u5219\u4e0a\u624b\u52a8\u542f\u7528\u3002<\/li>\n<li><strong>NAT + Proxy<\/strong>: \u4f7f\u7528\u4ee3\u7406\u7a0b\u5e8f\u542f\u7528NAT\u56de\u6d41\u5c06\u6570\u636e\u5305\u53d1\u9001\u5230\u7aef\u53e3\u8f6c\u53d1\u7684\u76ee\u6807\u3002 \u8fd9\u5728\u7528\u4e8e\u4e0e\u76ee\u6807\u8fdb\u884c\u901a\u4fe1\u7684\u63a5\u53e3\u548c\/\u6216\u7f51\u5173IP\u5730\u5740\u5728\u52a0\u8f7d\u89c4\u5219\u65f6\u65e0\u6cd5\u51c6\u786e\u786e\u5b9a\u7684\u8bbe\u7f6e\u4e2d\u5f88\u6709\u7528\u3002 \u4e0e\u4ee3\u7406\u4e00\u8d77\u4f7f\u7528\u7684\u56de\u6d41\u89c4\u5219\u4e0d\u4f1a\u9488\u5bf9\u5927\u4e8e500\u4e2a\u7aef\u53e3\u7684\u8303\u56f4\u521b\u5efa\uff0c\u5e76\u4e14\u4e0d\u4f1a\u7528\u4e8e\u6240\u6709\u7aef\u53e3\u8f6c\u53d1\u4e4b\u95f4\u603b\u51711000\u4e2a\u4ee5\u4e0a\u7684\u7aef\u53e3\u3002 \u6b64\u6a21\u5f0f\u4e0d\u9002\u7528\u4e8eUDP\uff0c\u4ec5\u9002\u7528\u4e8eTCP\u3002 \u56e0\u4e3a\u8fd9\u662f\u4e00\u4e2a\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u6240\u4ee5\u670d\u52a1\u5668\u6240\u770b\u5230\u7684\u6d41\u91cf\u7684\u6e90\u5730\u5740\u5c31\u662f\u6700\u63a5\u8fd1\u670d\u52a1\u5668\u7684\u9632\u706b\u5899IP\u5730\u5740\u3002<\/li>\n<li><strong>Pure NAT<\/strong>: \u542f\u7528NAT\u56de\u6d41\u53ea\u4f7f\u7528pf\u4e2d\u7684NAT\u89c4\u5219\u5c06\u6570\u636e\u5305\u5b9a\u5411\u5230\u7aef\u53e3\u8f6c\u53d1\u7684\u76ee\u6807\u3002 \u5b83\u5177\u6709\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u4f46\u5fc5\u987b\u80fd\u591f\u5728\u52a0\u8f7d\u89c4\u5219\u65f6\u51c6\u786e\u786e\u5b9a\u7528\u4e8e\u4e0e\u76ee\u6807\u8fdb\u884c\u901a\u4fe1\u7684\u63a5\u53e3\u548c\u7f51\u5173IP\u5730\u5740\u3002 \u5bf9\u534f\u8bae\u9650\u5236\u4ee5\u5916\u7684\u7aef\u53e3\u6570\u91cf\u6ca1\u6709\u56fa\u6709\u7684\u9650\u5236\u3002 \u652f\u6301\u6240\u6709\u53ef\u7528\u4e8e\u7aef\u53e3\u8f6c\u53d1\u7684\u534f\u8bae\u3002 \u5982\u679c\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4f4d\u4e8e\u540c\u4e00\u5b50\u7f51\u4e0a\uff0c\u5219\u542f\u7528\u201c\u81ea\u52a8\u51fa\u7ad9NAT\u56de\u6d41\u201d\u9009\u9879\u5c06\u5c4f\u853d\u6d41\u91cf\u6765\u6e90\uff0c\u4f7f\u5176\u6b63\u786e\u6d41\u56de\u9632\u706b\u5899\u3002<\/li>\n<\/ul>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li><strong>\u56de\u6d41\u8d85\u65f6<\/strong>: \u6b64\u9009\u9879\u4ec5\u4e0eNAT + Proxy\u6a21\u5f0f\u76f8\u5173\uff0c\u5e76\u63a7\u5236NAT\u4ee3\u7406\u5b88\u62a4\u7a0b\u5e8f\u5728\u5173\u95ed\u8fde\u63a5\u4e4b\u524d\u7b49\u5f85\u7684\u65f6\u95f4\u3002\u4ee5\u79d2\u4e3a\u5355\u4f4d\u3002<\/li>\n<li><strong>\u4e3a1\uff1a1 NAT\u542f\u7528NAT\u56de\u6d41<\/strong>: \u6b64\u9009\u9879\u5141\u8bb8\u5185\u90e8\u7f51\u7edc\u4e0a\u7684\u5ba2\u6237\u7aef\u901a\u8fc7\u8fde\u63a5\u52301\uff1a1 NAT\u6761\u76ee\u7684\u5916\u90e8IP\u5730\u5740\u6765\u8bbf\u95ee\u672c\u5730\u6258\u7ba1\u670d\u52a1\u3002 \u8981\u5b8c\u5168\u6fc0\u6d3b\u8be5\u529f\u80fd\uff0c\u8bf7\u540c\u65f6\u9009\u4e2d\u542f\u7528NAT\u56de\u6d411\uff1a1 NAT\u548c\u542f\u7528\u81ea\u52a8\u51fa\u7ad9NAT\u56de\u6d41\u3002 \u53ea\u6709\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4f4d\u4e8e\u540c\u4e00\u5b50\u7f51\u65f6\uff0c\u540e\u4e00\u9009\u9879\u624d\u662f\u5fc5\u9700\u7684\u3002<\/li>\n<li><strong>\u4e3a\u56de\u6d41\u542f\u7528\u81ea\u52a8\u51fa\u7ad9NAT<\/strong>:\u5f53\u542f\u7528\u65f6\uff0c\u6b64\u9009\u9879\u4e3a1\uff1a1 NAT\u56de\u6d41\u548cPure NAT\u6a21\u5f0fNAT\u56de\u6d41\u6fc0\u6d3b\u7528\u4e8e\u7aef\u53e3\u8f6c\u53d1\u7684\u989d\u5916NAT\u89c4\u5219\u3002 \u8fd9\u4e9b\u9644\u52a0\u89c4\u5219\u4f1a\u63a9\u76d6\u5ba2\u6237\u7aef\u7684\u6e90\u5730\u5740\uff0c\u4ee5\u786e\u4fdd\u56de\u590d\u6d41\u91cf\u901a\u8fc7\u9632\u706b\u5899\u56de\u6d41\u3002 \u5426\u5219\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u5c06\u5931\u8d25\uff0c\u56e0\u4e3a\u670d\u52a1\u5668\u5c06\u4f7f\u7528\u5176\u5185\u90e8IP\u5730\u5740\u76f4\u63a5\u56de\u590d\u7ed9\u5ba2\u6237\u7aef\u3002 \u5ba2\u6237\u7aef\u5c06\u65ad\u5f00\u8fde\u63a5\uff0c\u56e0\u4e3a\u5b83\u671f\u671b\u4ece\u516c\u5171IP\u5730\u5740\u5f97\u5230\u5e94\u7b54\u3002<\/li>\n<li>\u5355\u51fb\u4fdd\u5b58\u5c06\u6fc0\u6d3b\u65b0\u7684NAT\u56de\u6d41\u9009\u9879<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\">NAT\u56de\u6d41\u5b89\u5168\u8b66\u544a<\/h3>\n<p style=\"text-align: justify;\">NAT\u56de\u6d41\u662f\u4e00\u79cd***\u6280\u672f\uff0c\u56e0\u4e3a\u5b83\u5728\u6ca1\u6709\u5fc5\u8981\u65f6\u4f1a\u901a\u8fc7\u9632\u706b\u5899\u5faa\u73af\u6d41\u91cf\u3002 \u7531\u4e8epf\u5141\u8bb8\u9002\u5e94\u8fd9\u4e9b\u573a\u666f\u7684\u9009\u9879\u6709\u9650\uff0c\u56e0\u6b64pfSense\u7684NAT + Proxy\u56de\u6d41\u5b9e\u65bd\u4e2d\u5b58\u5728\u4e00\u4e9b\u9650\u5236\u3002 \u7aef\u53e3\u8303\u56f4\u5927\u4e8e500\u7aef\u53e3\u5728NAT +Proxy\u6a21\u5f0f\u4e0b\u4e0d\u80fd\u542f\u7528NAT\u56de\u6d41\uff0c\u5e76\u4e14\u8be5\u6a21\u5f0f\u4e5f\u88ab\u6709\u6548\u5730\u9650\u5236\u4e3a\u4ec5\u4e0eTCP\u4e00\u8d77\u5de5\u4f5c\u3002 \u5982\u679c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u8fde\u63a5\u5230\u9632\u706b\u5899\u7684\u76f8\u540c\u63a5\u53e3\uff0c\u5219\u5176\u4ed6\u6a21\u5f0f\u9700\u8981\u989d\u5916\u7684NAT\u3002 \u8fd9\u4e2a\u989d\u5916\u7684NAT\u9690\u85cf\u4e86\u5ba2\u6237\u7aef\u7684\u6e90\u5730\u5740\uff0c\u4f7f\u5f97\u6d41\u91cf\u4f3c\u4e4e\u6e90\u81ea\u9632\u706b\u5899\uff0c\u56e0\u6b64\u53ef\u4ee5\u6b63\u786e\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<p style=\"text-align: justify;\">\u5206\u79bbDNS\u662f\u9002\u5e94\u5927\u578b\u7aef\u53e3\u8303\u56f4\u548c1\uff1a1 NAT\u7684\u6700\u4f73\u65b9\u5f0f\u3002\u8bb8\u591a\u5546\u4e1a\u9632\u706b\u5899\u751a\u81f3\u9700\u8981\u7ef4\u62a4\u5206\u79bbDNS\u57fa\u7840\u8bbe\u65bd\uff0c\u5e76\u4e14\u901a\u5e38\u4e0d\u662f\u95ee\u9898\u3002<\/p>\n<h2 style=\"text-align: justify;\">\u5206\u79bbDNS<\/h2>\n<p style=\"text-align: justify;\">NAT\u56de\u6d41\u7684\u4e00\u4e2a\u4f18\u9009\u66ff\u4ee3\u65b9\u6848\u662f\u90e8\u7f72\u5206\u79bbDNS\u57fa\u7840\u67b6\u6784\u3002\u00a0\u5206\u79bbDNS\u6307\u7684\u662fDNS\u914d\u7f6e\uff0c\u5176\u4e2d\u5bf9\u4e8e\u7ed9\u5b9a\u4e3b\u673a\u540d\uff0c\u516c\u5171Internet DNS\u89e3\u6790\u4e3a\u516c\u5171IP\u5730\u5740\uff0c\u5e76\u4e14\u5185\u90e8\u7f51\u7edc\u4e0a\u7684DNS\u89e3\u6790\u4e3a\u5185\u90e8\u79c1\u6709IP\u5730\u5740\u3002 \u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u7ec4\u7ec7\u7684DNS\u57fa\u7840\u8bbe\u65bd\u7684\u5177\u4f53\u60c5\u51b5\uff0c\u4f46\u6700\u7ec8\u7ed3\u679c\u662f\u4e00\u6837\u7684\u3002 NAT\u56de\u6d41\u4e0d\u662f\u5fc5\u9700\u7684\uff0c\u56e0\u4e3a\u4e3b\u673a\u540d\u89e3\u6790\u4e3a\u7f51\u7edc\u5185\u90e8\u7684\u79c1\u6709IP\u5730\u5740\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u670d\u52a1\u5668\u3002<\/p>\n<p style=\"text-align: justify;\">\u5206\u79bbDNS\u5141\u8bb8\u670d\u52a1\u5668\u67e5\u770b\u771f\u5b9e\u7684\u5ba2\u6237\u7aefIP\u5730\u5740\uff0c\u5e76\u4e14\u670d\u52a1\u5668\u548c\u540c\u4e00\u5b50\u7f51\u4e2d\u7684\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u8fde\u63a5\u5c06\u76f4\u63a5\u8fdb\u884c\uff0c\u800c\u4e0d\u4f1a\u4e0d\u5fc5\u8981\u5730\u6d89\u53ca\u9632\u706b\u5899\u3002\u552f\u4e00\u4e0d\u80fd\u6b63\u786e\u4f7f\u7528\u5206\u79bbDNS\u7684\u60c5\u51b5\u662f\u5916\u90e8\u548c\u5185\u90e8\u7aef\u53e3\u53f7\u4e0d\u540c\u3002 \u4f7f\u7528\u5206\u79bbDNS\u65f6\uff0c\u4e24\u4e2a\u5730\u65b9\u7684\u7aef\u53e3\u53f7\u5fc5\u987b\u76f8\u540c\u3002<\/p>\n<h3 style=\"text-align: justify;\">DNS\u89e3\u6790\u5668\/\u8f6c\u53d1\u5668\u8986\u76d6<\/h3>\n<p style=\"text-align: justify;\">\u5982\u679cpfSense\u5145\u5f53\u5185\u90e8\u4e3b\u673a\u7684DNS\u670d\u52a1\u5668\uff0c\u5219DNS\u89e3\u6790\u5668\u6216DNS\u8f6c\u53d1\u5668\u4e2d\u7684\u4e3b\u673a\u8986\u76d6\u53ef\u4ee5\u63d0\u4f9b\u5206\u79bbDNS\u529f\u80fd\u3002<\/p>\n<p style=\"text-align: justify;\">\u8981\u5c06\u8986\u76d6\u6dfb\u52a0\u5230DNS\u89e3\u6790\u5668\uff1a<\/p>\n<ul class=\" list-paddingleft-2\" style=\"text-align: justify;\">\n<li>\u5bfc\u822a\u81f3\u670d\u52a1&gt; DNS\u89e3\u6790\u5668<\/li>\n<li>\u8fdb\u5165\u4e3b\u673a\u8986\u76d6\u9009\u9879\u9875\u9762\u5728\u4e3b\u673a\u8986\u76d6\u4e0b\u9762\u70b9\u51fb\u56fe\u6807<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1666\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/fa-plus.png\" alt=\"\" width=\"25\" height=\"25\" \/>\u6dfb\u52a0\u3002<\/li>\n<li>\u6839\u636e\u9700\u8981\u4f7f\u7528\u670d\u52a1\u5668\u7684\u5185\u90e8IP\u5730\u5740\u914d\u7f6e\u4e3b\u673a\u8986\u76d6\u3002\u4e0b\u56fe\u663e\u793a\u4e86www.example.com\u7684DNS\u5206\u79bb\u793a\u4f8b\u3002<\/li>\n<li>\u70b9\u51fb\u4fdd\u5b58<\/li>\n<li>\u70b9\u51fb\u5e94\u7528\u66f4\u6539<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1794\" src=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/dns-forwarder-overrides-exampledotcom.png\" alt=\"\" width=\"866\" height=\"467\" srcset=\"https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/dns-forwarder-overrides-exampledotcom.png 866w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/dns-forwarder-overrides-exampledotcom-300x162.png 300w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/dns-forwarder-overrides-exampledotcom-768x414.png 768w, https:\/\/blog.pfchina.org\/wp-content\/uploads\/2018\/07\/dns-forwarder-overrides-exampledotcom-500x270.png 500w\" sizes=\"auto, (max-width: 866px) 100vw, 866px\" \/><\/p>\n<p class=\"caption\" style=\"text-align: justify;\"><em>\u4e3aexample.com\u6dfb\u52a0DNS\u89e3\u6790\u5668\u8986\u76d6<\/em><\/p>\n<p style=\"text-align: justify;\">DNS\u8f6c\u53d1\u5668\u5728\u8fd9\u65b9\u9762\u7684\u529f\u80fd\u5b8c\u5168\u76f8\u540c\u3002 \u5982\u679c\u542f\u7528DNS\u8f6c\u53d1\u5668\u800c\u4e0d\u662fDNS\u89e3\u6790\u5668\uff0c\u8bf7\u5728\u5176\u4e2d\u6dfb\u52a0\u8986\u76d6\u3002\u6bcf\u4e2a\u5728\u9632\u706b\u5899\u540e\u4f7f\u7528\u7684\u4e3b\u673a\u540d\u90fd\u9700\u8981\u8986\u76d6\u3002<\/p>\n<h3 style=\"text-align: justify;\">\u5185\u90e8DNS\u670d\u52a1\u5668<\/h3>\n<p style=\"text-align: justify;\">\u5728\u5185\u90e8\u7f51\u7edc\uff08\u5982Microsoft Active Directory\uff09\u4e0a\u4f7f\u7528\u5355\u72ec\u7684DNS\u670d\u52a1\u5668\u65f6\uff0c\u5fc5\u987b\u7531DNS\u670d\u52a1\u5668\u7ba1\u7406\u5458\u4e3a\u7f51\u7edc\u5185\u6258\u7ba1\u7684\u6240\u6709\u57df\u521b\u5efa\u533a\u57df\uff0c\u4ee5\u53ca\u8fd9\u4e9b\u57df\u7684\u6240\u6709\u5176\u4ed6\u8bb0\u5f55\uff08A\uff0cCNAME\uff0cMX\u7b49\uff09\uff09\u3002<\/p>\n<p style=\"text-align: justify;\">\u5728\u8fd0\u884cBIND DNS\u670d\u52a1\u5668\u7684\u73af\u5883\u4e2d\uff0c\u516c\u5171DNS\u4e0e\u79c1\u6709DNS\u4f4d\u4e8e\u540c\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\uff0cBIND\u7684\u89c6\u56fe\u529f\u80fd\u7528\u4e8e\u5185\u90e8\u4e3b\u673a\u7684DNS\u89e3\u6790\u4e0d\u540c\u4e8e\u5916\u90e8\u4e3b\u673a\u3002 \u5176\u4ed6DNS\u670d\u52a1\u5668\u4e5f\u53ef\u80fd\u652f\u6301\u7c7b\u4f3c\u7684\u529f\u80fd\u3002<\/p>\n<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>NAT(\u4e00) \u7aef\u53e3\u8f6c\u53d1 1:1 NAT NAT\u548c\u9632\u706b\u5899\u5904\u7406\u7684\u987a\u5e8f NAT\u56de\u6d41 \u5728 &hellip; <a href=\"https:\/\/blog.pfchina.org\/?p=175\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[225],"class_list":["post-175","post","type-post","status-publish","format-standard","hentry","category-pfsense","tag-nat"],"_links":{"self":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=175"}],"version-history":[{"count":0,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=\/wp\/v2\/posts\/175\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pfchina.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}