{"id":20539,"date":"2025-04-19T03:27:41","date_gmt":"2025-04-18T19:27:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/20539.html"},"modified":"2025-04-19T03:27:41","modified_gmt":"2025-04-18T19:27:41","slug":"stun%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%9e%e7%8e%b0nat%e7%a9%bf%e9%80%8f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/20539.html","title":{"rendered":"STUN\u670d\u52a1\u5668\u5b9e\u73b0NAT\u7a7f\u900f"},"content":{"rendered":"<h3>NAT\u7a7f\u900f\u7684\u95ee\u9898<\/h3>\n<p>\u5728\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u4e2d&#xff0c;\u5927\u591a\u6570\u8bbe\u5907\u90fd\u4f4d\u4e8eNAT(\u7f51\u7edc\u5730\u5740\u8f6c\u6362)\u8bbe\u5907\u540e\u9762\u3002\u8fd9\u7ed9\u70b9\u5bf9\u70b9(P2P)\u901a\u4fe1\u5e26\u6765\u4e86\u6311\u6218&#xff0c;\u56e0\u4e3aNAT\u4f1a\u963b\u6b62\u5916\u90e8\u7f51\u7edc\u76f4\u63a5\u8bbf\u95ee\u5185\u90e8\u8bbe\u5907\u3002STUN(Session Traversal Utilities for NAT)\u670d\u52a1\u5668\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u800c\u8bbe\u8ba1\u7684\u3002<\/p>\n<h3>STUN\u662f\u4ec0\u4e48?<\/h3>\n<p>STUN\u662f\u4e00\u4e2a\u7f51\u7edc\u534f\u8bae&#xff0c;\u5141\u8bb8\u4f4d\u4e8eNAT\u540e\u7684\u5ba2\u6237\u7aef\u53d1\u73b0\u81ea\u5df1\u7684\u516c\u7f51IP\u5730\u5740\u548cNAT\u7c7b\u578b\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u76f8\u5bf9\u7b80\u5355\u4f46\u975e\u5e38\u6709\u6548\u3002<\/p>\n<h3>STUN\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<li>\n<p>\u53d1\u73b0\u516c\u7f51\u5730\u5740<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef\u5411STUN\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42<\/li>\n<li>STUN\u670d\u52a1\u5668\u8fd4\u56de\u5ba2\u6237\u7aef\u7684\u516c\u7f51IP\u548c\u7aef\u53e3<\/li>\n<li>\u5ba2\u6237\u7aef\u73b0\u5728\u77e5\u9053\u4e86\u81ea\u5df1\u5728\u516c\u7f51\u4e0a\u7684\u5730\u5740<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>NAT\u7c7b\u578b\u68c0\u6d4b<\/p>\n<ul>\n<li>STUN\u53ef\u4ee5\u5e2e\u52a9\u786e\u5b9aNAT\u7684\u7c7b\u578b(\u5b8c\u5168\u9525\u5f62\u3001\u53d7\u9650\u9525\u5f62\u3001\u7aef\u53e3\u53d7\u9650\u9525\u5f62\u3001\u5bf9\u79f0\u578b)<\/li>\n<li>\u4e0d\u540c\u7684NAT\u7c7b\u578b\u9700\u8981\u4e0d\u540c\u7684\u7a7f\u900f\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<h3>\u5b9e\u73b0\u6b65\u9aa4<\/h3>\n<p><span class=\"token comment\"># STUN\u5ba2\u6237\u7aef\u793a\u4f8b\u4ee3\u7801<\/span><br \/>\n<span class=\"token keyword\">import<\/span> socket<br \/>\n<span class=\"token keyword\">import<\/span> stun<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">get_public_address<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    nat_type<span class=\"token punctuation\">,<\/span> nat_external_ip<span class=\"token punctuation\">,<\/span> nat_external_port <span class=\"token operator\">&#061;<\/span> stun<span class=\"token punctuation\">.<\/span>get_ip_info<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>nat_external_ip<span class=\"token punctuation\">,<\/span> nat_external_port<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    public_ip<span class=\"token punctuation\">,<\/span> public_port <span class=\"token operator\">&#061;<\/span> get_public_address<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u516c\u7f51IP: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>public_ip<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u516c\u7f51\u7aef\u53e3: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>public_port<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h3>NAT\u7a7f\u900f\u7684\u5177\u4f53\u6d41\u7a0b<\/h3>\n<li>\n<p>\u670d\u52a1\u5668\u6ce8\u518c<\/p>\n<ul>\n<li>\u4e24\u4e2a\u5ba2\u6237\u7aef\u90fd\u5411STUN\u670d\u52a1\u5668\u6ce8\u518c<\/li>\n<li>\u83b7\u53d6\u5404\u81ea\u7684\u516c\u7f51\u5730\u5740\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4fe1\u606f\u4ea4\u6362<\/p>\n<ul>\n<li>\u901a\u8fc7\u4fe1\u4ee4\u670d\u52a1\u5668\u4ea4\u6362\u53cc\u65b9\u7684\u516c\u7f51\u5730\u5740\u4fe1\u606f<\/li>\n<li>\u786e\u5b9a\u901a\u4fe1\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5efa\u7acb\u8fde\u63a5<\/p>\n<ul>\n<li>\u4f7f\u7528\u83b7\u5f97\u7684\u5730\u5740\u4fe1\u606f\u5c1d\u8bd5\u76f4\u63a5\u8fde\u63a5<\/li>\n<li>\u5982\u679c\u76f4\u63a5\u8fde\u63a5\u5931\u8d25&#xff0c;\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u8f85\u52a9\u6280\u672f(\u5982TURN)<\/li>\n<\/ul>\n<\/li>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<li>\n<p>\u4f7f\u7528\u53ef\u9760\u7684STUN\u670d\u52a1\u5668<\/p>\n<ul>\n<li>Google\u63d0\u4f9b\u7684\u516c\u5171STUN\u670d\u52a1\u5668<\/li>\n<li>\u81ea\u5efaSTUN\u670d\u52a1\u5668\u4ee5\u786e\u4fdd\u7a33\u5b9a\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b9e\u73b0\u9519\u8bef\u5904\u7406<\/p>\n<ul>\n<li>NAT\u7c7b\u578b\u68c0\u6d4b\u5931\u8d25\u7684\u5904\u7406<\/li>\n<li>\u8fde\u63a5\u8d85\u65f6\u7684\u5904\u7406<\/li>\n<li>\u5907\u9009\u65b9\u6848\u7684\u51c6\u5907<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b89\u5168\u8003\u8651<\/p>\n<ul>\n<li>\u4f7f\u7528\u52a0\u5bc6\u901a\u4fe1<\/li>\n<li>\u5b9e\u73b0\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236<\/li>\n<li>\u9632\u6b62DOS\u653b\u51fb<\/li>\n<\/ul>\n<\/li>\n<h3>\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h3>\n<li>\n<p>\u5bf9\u79f0\u578bNAT\u7684\u5904\u7406<\/p>\n<ul>\n<li>\u5bf9\u79f0\u578bNAT\u6700\u96be\u7a7f\u900f<\/li>\n<li>\u53ef\u80fd\u9700\u8981\u501f\u52a9TURN\u670d\u52a1\u5668<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u4e0d\u7a33\u5b9a<\/p>\n<ul>\n<li>\u5b9e\u73b0\u91cd\u8fde\u673a\u5236<\/li>\n<li>\u4fdd\u6301\u8fde\u63a5\u5b58\u6d3b\u68c0\u6d4b<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9632\u706b\u5899\u95ee\u9898<\/p>\n<ul>\n<li>\u5408\u7406\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219<\/li>\n<li>\u4f7f\u7528\u6807\u51c6\u7aef\u53e3\u51cf\u5c11\u88ab\u5c01\u7981\u98ce\u9669<\/li>\n<\/ul>\n<\/li>\n<h3>\u603b\u7ed3<\/h3>\n<p>STUN\u670d\u52a1\u5668\u662f\u5b9e\u73b0NAT\u7a7f\u900f\u7684\u91cd\u8981\u5de5\u5177&#xff0c;\u5b83\u80fd\u591f\u5e2e\u52a9\u4f4d\u4e8eNAT\u540e\u7684\u8bbe\u5907\u53d1\u73b0\u81ea\u5df1\u7684\u516c\u7f51\u5730\u5740&#xff0c;\u5e76\u5b9e\u73b0P2P\u901a\u4fe1\u3002\u867d\u7136\u5b83\u4e0d\u80fd\u89e3\u51b3\u6240\u6709NAT\u7a7f\u900f\u7684\u95ee\u9898&#xff0c;\u4f46\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u662f\u4e00\u4e2a\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u901a\u5e38\u9700\u8981\u5c06STUN\u4e0e\u5176\u4ed6\u6280\u672f(\u5982TURN\u3001ICE)\u7ed3\u5408\u4f7f\u7528&#xff0c;\u4ee5\u63d0\u4f9b\u66f4\u5b8c\u6574\u7684NAT\u7a7f\u900f\u89e3\u51b3\u65b9\u6848\u3002\u540c\u65f6&#xff0c;\u826f\u597d\u7684\u9519\u8bef\u5904\u7406\u548c\u5b89\u5168\u673a\u5236\u7684\u5b9e\u73b0\u4e5f\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.5k\u6b21\uff0c\u70b9\u8d5e4\u6b21\uff0c\u6536\u85cf9\u6b21\u3002STUN\u670d\u52a1\u5668\u662f\u5b9e\u73b0NAT\u7a7f\u900f\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u4f4d\u4e8eNAT\u540e\u7684\u8bbe\u5907\u53d1\u73b0\u81ea\u5df1\u7684\u516c\u7f51\u5730\u5740\uff0c\u5e76\u5b9e\u73b0P2P\u901a\u4fe1\u3002\u867d\u7136\u5b83\u4e0d\u80fd\u89e3\u51b3\u6240\u6709NAT\u7a7f\u900f\u7684\u95ee\u9898\uff0c\u4f46\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u662f\u4e00\u4e2a\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5c06STUN\u4e0e\u5176\u4ed6\u6280\u672f(\u5982TURN\u3001ICE)\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5b8c\u6574\u7684NAT\u7a7f\u900f\u89e3\u51b3\u65b9\u6848\u3002\u540c\u65f6\uff0c\u826f\u597d\u7684\u9519\u8bef\u5904\u7406\u548c\u5b89\u5168\u673a\u5236\u7684\u5b9e\u73b0\u4e5f\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002_stun\u5185\u7f51\u7a7f\u900f<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,211,44],"topic":[],"class_list":["post-20539","post","type-post","status-publish","format-standard","hentry","category-server","tag-43","tag-211","tag-44"],"yoast_head":"<!-- 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