{"id":12,"date":"2025-11-12T22:18:38","date_gmt":"2025-11-12T14:18:38","guid":{"rendered":"https:\/\/vtstudio.space\/?p=12"},"modified":"2025-11-17T16:47:06","modified_gmt":"2025-11-17T08:47:06","slug":"%e5%a6%82%e4%bd%95%e4%ba%86%e8%a7%a3%e8%be%a8%e5%88%ab%e4%bb%a5%e5%8f%8a%e9%99%8d%e4%bd%8enat%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/vtstudio.space\/?p=12","title":{"rendered":"\u5982\u4f55\u4e86\u89e3\u8fa8\u522b\u4ee5\u53ca\u964d\u4f4eNAT\u7c7b\u578b"},"content":{"rendered":"\n<p><em><strong>\u656c\u544a\uff1a<\/strong><\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<\/blockquote>\n<\/blockquote>\n\n\n\n<p>  <strong><em>\u672c\u6587\u65e8\u5728\u8bf4\u660eNAT\u7c7b\u578b\u5bf9\u7f51\u7edc\u4f53\u9a8c\u7684\u5f71\u54cd\uff0c\u5e76\u63d0\u4f9b\u4f18\u5316\u65b9\u6cd5\u3002\u6587\u4e2d\u6d89\u53ca\u7684DMZ\u4e3b\u673a\u3001\u9632\u706b\u5899\u5173\u95ed\u7b49\u64cd\u4f5c\uff0c\u4f1a<strong>\u663e\u8457\u964d\u4f4e\u672c\u5730\u7f51\u7edc\u7684\u9632\u62a4\u7b49\u7ea7<\/strong>\uff0c\u5c06\u8bbe\u5907\u66b4\u9732\u4e8e\u516c\u7f51\uff0c\u589e\u52a0\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<strong>\u8bf7\u5728\u5b8c\u5168\u77e5\u6653\u6f5c\u5728\u540e\u679c\uff0c\u5e76\u4ec5\u4e8e\u53ef\u4fe1\u8d56\u7684\u7f51\u7edc\u73af\u5883\uff08\u5982\u5bb6\u5ead\u5bbd\u5e26\u7f51\u7edc\uff09\u4e2d\u8c28\u614e\u64cd\u4f5c\u3002<\/strong><\/em><\/strong><\/p>\n\n\n\n<p><strong>\u4e00\u3001\u5982\u4f55\u7406\u89e3NAT<\/strong><\/p>\n\n\n\n<p> <em> \u4f60\u53ef\u4ee5\u628a\u4e92\u8054\u7f51\u60f3\u8c61\u6210\u4e00\u4e2a\u5de8\u5927\u7684\u90ae\u5c40\u7cfb\u7edf\u3002\u6bcf\u4e2a\u5bb6\u5ead\uff08\u4f60\u7684\u5c40\u57df\u7f51\uff09\u53ea\u6709\u4e00\u4e2a\u516c\u5171\u5730\u5740\uff08\u5149\u732b\uff09\uff0c\u4f46\u5bb6\u91cc\u6709\u5f88\u591a\u8bbe\u5907\uff08\u7535\u8111\u3001\u624b\u673a\u3001\u6e38\u620f\u673a\uff09\u3002<\/em><\/p>\n\n\n\n<p><strong> NAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09<\/strong>\u662f\u4e00\u79cd\u5728IPv4\u5730\u5740\u77ed\u7f3a\u80cc\u666f\u4e0b\uff0c\u5141\u8bb8\u4e00\u4e2a\u6574\u4f53\u7f51\u7edc\uff08\u5982\u5bb6\u5ead\u5c40\u57df\u7f51\uff09\u901a\u8fc7\u4e00\u4e2a\u516c\u6709IP\u5730\u5740\u4e0e\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u6280\u672f\u3002\u5b83\u901a\u8fc7\u8f6c\u6362IP\u6570\u636e\u5305\u5934\u7684\u5730\u5740\u4fe1\u606f\uff0c\u5b9e\u73b0\u4e86\u79c1\u6709IP\u4e0e\u516c\u6709IP\u7684\u6620\u5c04\u3002<\/p>\n\n\n\n<p>  \u4e25\u683c\u7684NAT\u7c7b\u578b\u4f1a\u963b\u788d<strong>\u70b9\u5bf9\u70b9\uff08P2P\uff09<\/strong>&nbsp;\u901a\u4fe1\uff0c\u8fd9\u662f\u8bb8\u591a\u5728\u7ebf\u6e38\u620f\u3001\u89c6\u9891\u901a\u8bdd\u3001BT\u4e0b\u8f7d\u7b49\u5e94\u7528\u7684\u5173\u952e\u6280\u672f\u3002\u5f53NAT\u7c7b\u578b\u4e0d\u7406\u60f3\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fdc\u7a0b\u8bbf\u95ee\u5bb6\u5ead\u8bbe\u5907\uff08\u5982NAS\uff09\u53d8\u5f97\u590d\u6742\u3002<\/li>\n\n\n\n<li>\u6e38\u620f\u8054\u673a\u56f0\u96be\u3001\u5ef6\u8fdf\u589e\u9ad8\u6216\u65e0\u6cd5\u62c5\u4efb\u4e3b\u673a\u3002<\/li>\n\n\n\n<li>\u4e0b\u8f7d\u901f\u5ea6\u7f13\u6162\uff0c\u5c24\u5176\u662f\u5728BT\u4e0b\u8f7d\u4e2d\u96be\u4ee5\u8fde\u63a5\u5230\u66f4\u591a\u8282\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<p>\u6839\u636e\u8fde\u63a5\u6620\u5c04\u89c4\u5219\u7684\u4e25\u683c\u7a0b\u5ea6\uff0cNAT\u53ef\u5206\u4e3a\u4ee5\u4e0b\u56db\u79cd\u4e3b\u8981\u7c7b\u578b\uff08\u6570\u5b57\u8d8a\u5927\uff0c\u8868\u793a\u7f51\u7edc\u53d7\u9650\u7a0b\u5ea6\u8d8a\u9ad8\uff09\uff1a<\/p>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>NAT1 (Full Cone NAT)<\/strong>\uff1a\u5bbd\u677e\u3002\u4e00\u65e6\u5185\u7f51\u8bbe\u5907\u901a\u8fc7\u67d0\u4e2a\u7aef\u53e3\u4e0e\u5916\u90e8\u901a\u4fe1\uff0c\u6b64\u540e\u4efb\u4f55\u5916\u90e8\u8bbe\u5907\u5747\u53ef\u901a\u8fc7\u6b64\u7aef\u53e3\u4e0e\u8be5\u5185\u7f51\u8bbe\u5907\u901a\u4fe1\u3002<\/li>\n\n\n\n<li><strong>NAT2 (Address Restricted Cone NAT)<\/strong>\uff1a\u8f83\u4e25\u683c\u3002\u4ec5\u5141\u8bb8\u5185\u7f51\u8bbe\u5907\u66fe\u4e3b\u52a8\u8fde\u63a5\u8fc7\u7684\u5916\u90e8IP\u5730\u5740\uff0c\u901a\u8fc7\u539f\u7aef\u53e3\u8fdb\u884c\u56de\u8fde\u3002<\/li>\n\n\n\n<li><strong>NAT3 (Port Restricted Cone NAT)<\/strong>\uff1a\u66f4\u4e25\u683c\u3002\u4ec5\u5141\u8bb8\u5185\u7f51\u8bbe\u5907\u66fe\u4e3b\u52a8\u8fde\u63a5\u8fc7\u7684\u5916\u90e8IP\u5730\u5740\u548c\u7aef\u53e3\u8fdb\u884c\u56de\u8fde\u3002<\/li>\n\n\n\n<li><strong>NAT4 (Symmetric NAT)<\/strong>\uff1a\u6700\u4e25\u683c\u3002\u5185\u7f51\u8bbe\u5907\u8bbf\u95ee\u4e0d\u540c\u7684\u5916\u90e8\u5730\u5740\u65f6\uff0c\u6620\u5c04\u7684\u51fa\u53e3\u7aef\u53e3\u4e5f\u4f1a\u6539\u53d8\uff0c\u5bfc\u81f4\u5916\u90e8\u8bbe\u5907\u51e0\u4e4e\u65e0\u6cd5\u4e3b\u52a8\u53d1\u8d77\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<p>  \u82e5\u80fd\u5b8c\u5168\u53bb\u9664NAT\u9650\u5236\uff0c\u8bbe\u5907\u5c06\u5904\u4e8e\u6700\u4e3a\u5bbd\u677e\u7684\u516c\u7f51\u73af\u5883\uff08\u5373Open Internet\uff0c\u6216\u79f0NAT0\uff09\u3002\u5728\u6b64\u72b6\u6001\u4e0b\uff0c\u5176\u4ed6\u7528\u6237\u51e0\u4e4e\u53ef\u5728\u4efb\u4f55\u8bbe\u5907\u53ca\u7f51\u7edc\u73af\u5883\u4e0b\uff0c\u901a\u8fc7\u8fd0\u8425\u5546\u5206\u914d\u7684\u552f\u4e00IPv4\u5730\u5740\u76f4\u63a5\u8fde\u63a5\u5230\u60a8\u7684\u8bbe\u5907\uff0c<em><strong>\u4f46\u8fd9\u4e5f\u610f\u5473\u7740\u8bbe\u5907\u5b8c\u5168\u66b4\u9732\u4e8e\u516c\u7f51\u4e4b\u4e2d\u3002<\/strong><\/em><\/p>\n\n\n\n<p><strong>\u4e8c\u3001\u8fa8\u522b\u5f53\u524dNAT\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p><em>  \u901a\u8fc7\u7f51\u7edc\u73af\u5883\u521d\u6b65\u5224\u65ad<\/em><\/p>\n\n\n\n<p>    I<strong>SP\u7f51\u7edc\u8bbe\u5907<\/strong>\uff1a\u5982\u5404\u7c7b\u5382\u5546\u7684\u4e91\u670d\u52a1\u5668ECS\uff0c\u901a\u5e38\u76f4\u63a5\u62e5\u6709\u516c\u7f51IP\uff0c\u4e0d\u7ecf\u8fc7NAT\u8f6c\u6362\uff0c\u4e00\u822c\u4e3a\u516c\u7f51NAT0\uff08Open Internet\uff09\u3002<\/p>\n\n\n\n<p>    <strong>\u5bb6\u5ead\u7f51\u7edc\u8bbe\u5907<\/strong>\uff1a\u79fb\u52a8\u3001\u8054\u901a\u3001\u7535\u4fe1\u7b49\u5bbd\u5e26\u8fd0\u8425\u5546\u901a\u5e38\u4f1a\u5c06\u5149\u732b\u7684\u9632\u706b\u5899\u7ea7\u522b\u8bbe\u7f6e\u4e3a\u6700\u9ad8\uff0c\u5e76\u5173\u95edUPnP\u53caDMZ\u4e3b\u673a\u529f\u80fd\u4ee5\u4fdd\u969c\u7f51\u7edc\u5b89\u5168\uff08\u90e8\u5206\u60c5\u51b5\u4e0b\u53ef\u80fd\u901a\u8fc7LOID\u76f4\u63a5\u4e0b\u53d1\u9ad8\u9650\u5236\u914d\u7f6e\uff09\u3002\u5e38\u89c1\u7c7b\u578b\u4e3a\u7aef\u53e3\u53d7\u9650\u9525\u578bNAT\uff08NAT3\uff09\u6216\u5bf9\u79f0\u578bNAT\uff08NAT4\uff09\u3002<\/p>\n\n\n\n<p>    <strong>\u79fb\u52a8\u7f51\u7edc\u70ed\u70b9<\/strong>\uff1a\u7531\u4e8e\u6570\u636e\u9700\u7ecf\u70ed\u70b9\u8bbe\u5907\u8f6c\u53d1\uff0c\u4e14\u53d7\u8fd0\u8425\u5546\u9650\u5236\u53ca\u8bbe\u7f6e\u4e0d\u53ef\u8c03\u7684\u5f71\u54cd\uff0c\u901a\u5e38\u4e3a\u5bf9\u79f0\u578bNAT\uff08NAT4\uff09\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>  \u4f7f\u7528\u5de5\u5177\u7cbe\u51c6\u6d4b\u8bd5<\/em><br>\uff08\u63a8\u8350\u4f7f\u7528NatTypeTester\u5de5\u5177\uff09<\/p>\n<\/blockquote>\n\n\n\n<p>    \u6253\u5f00\u5de5\u5177\u540e\uff0c\u5728\u5de6\u4fa7\u680f\u9009\u62e9\u201cRFC 3489\u201d\u9009\u9879\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/image.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"551\" data-original=\"https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/image.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-14\"  sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/div><figcaption class=\"wp-element-caption\">RFC 3489<\/figcaption><\/figure><\/div>\n\n\n<p>    STUN Server\u5efa\u8bae\u4f18\u5148\u9009\u62e9\u201c<a href=\"https:\/\/stun.miwifi.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">stun.miwifi.com<\/a>\u201d\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/image-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"551\" data-original=\"https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/image-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-15\"  sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/div><figcaption class=\"wp-element-caption\">stun.mifi.com<\/figcaption><\/figure><\/div>\n\n\n<p>    \u70b9\u51fb\u53f3\u4e0b\u89d2\u201cTest\u201d\u5f00\u59cb\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<p>    \u82e5\u7ed3\u679c\u663e\u793a\u201cUnknown\u201d\uff0c\u8bf7\u7a0d\u7b49\u7247\u523b\uff0c\u201cNAT Type\u201d\u90e8\u5206\u5c06\u8fd4\u56de\u5177\u4f53\u7c7b\u578b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/59d2ea1b8d5048b1c060bdaaed99f1ed.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"551\" data-original=\"https:\/\/vtstudio.space\/wp-content\/uploads\/2025\/11\/59d2ea1b8d5048b1c060bdaaed99f1ed.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-13\"  sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/div><figcaption class=\"wp-element-caption\">NAT\u7c7b\u578b<\/figcaption><\/figure><\/div>\n\n\n<p>    \u5982\u663e\u793a\u201cTCP\/UDP Blocked\u201d\u6216\u201cTCP\/UdpFirewall\u201d\uff0c\u5219\u9700\u5728Windows\u9ad8\u7ea7\u9632\u706b\u5899\u4e2d\u4e34\u65f6\u653e\u884cTCP\u4e0eUDP\u534f\u8bae\u7684\u6240\u6709\u7a0b\u5e8f\u53caIP\u51fa\u5165\u53cc\u5411\u901a\u4fe1\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u6d4b\u8bd5\u5b8c\u6210\u540e\u8bf7\u52a1\u5fc5\u6062\u590d\u9632\u706b\u5899\u89c4\u5219<\/mark>\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u4e09\u3001\u964d\u4f4eNAT\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p>  \u5982\u524d\u6240\u8ff0\uff0cNAT\u7c7b\u578b\u8fc7\u9ad8\u5c06\u964d\u4f4eP2P\u8fde\u63a5\u6548\u7387\uff0c\u8fdb\u800c\u5f71\u54cd\u6e38\u620f\u53ca\u4e0b\u8f7d\u4f53\u9a8c\u3002\u82e5\u5bf9\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\u7387\u6709\u8f83\u9ad8\u8981\u6c42\uff0c\u53ef\u8003\u8651\u964d\u4f4eNAT\u7c7b\u578b<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong>\uff08\u8bf7\u6ce8\u610f\uff1a\u6b64\u64cd\u4f5c\u5b58\u5728\u4e00\u5b9a\u98ce\u9669\uff0c\u5efa\u8bae\u4e8b\u5148\u4f7f\u7528U\u76d8\u5b8c\u6574\u5907\u4efd\u5149\u732b\u914d\u7f6e\u3002\u82e5\u914d\u7f6e\u4e22\u5931\uff0c\u53ef\u80fd\u9700\u4ed8\u8d39\u67e5\u8be2LOID\u91cd\u65b0\u6ce8\u518c\uff0c\u6216\u8054\u7cfb\u8fd0\u7ef4\u4eba\u5458\u4e0a\u95e8\u5904\u7406\uff09\u3002<\/strong><\/mark><\/p>\n\n\n\n<ul start=\"1\" 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