{"id":11859,"date":"2025-04-12T03:04:24","date_gmt":"2025-04-11T18:04:24","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=11859"},"modified":"2025-04-12T03:23:33","modified_gmt":"2025-04-11T18:23:33","slug":"webrtc-stun-turn-turns-sfu","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/zh\/\u535a\u5ba2\/webrtc-stun-\u8f6c-sfu","title":{"rendered":"WebRTC\u4e2dSTUN\/TURN\/TURNS\/SFU\u7684\u5f7b\u5e95\u8bb2\u89e3\u4e0e\u5b9e\u8df5"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662f WebRTC\uff1f<\/h2>\n\n\n\n<p>WebRTC\uff08Web \u5b9e\u65f6\u901a\u4fe1\uff09\u662f\u4e00\u9879\u5f00\u653e\u6280\u672f\uff0c\u53ef\u5728\u6d4f\u89c8\u5668\u4e4b\u95f4\u5b9e\u73b0\u5b9e\u65f6\u8bed\u97f3\u3001\u89c6\u9891\u548c\u6570\u636e\u901a\u4fe1\u3002\u5b83\u662f\u4e00\u79cd\u4ec5\u4f7f\u7528 JavaScript API \u5373\u53ef\u5b9e\u73b0 P2P \u901a\u4fe1\u7684\u673a\u5236\uff0c\u65e0\u9700\u989d\u5916\u7684\u63d2\u4ef6\u6216\u8f6f\u4ef6\uff0c\u76ee\u524d\u6b63\u7531 Google \u7b49\u591a\u5bb6\u516c\u53f8\u8fdb\u884c\u6807\u51c6\u5316\u3002<\/p>\n\n\n\n<p>WebRTC\u7531\u4e09\u4e2a\u4e3b\u8981\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul><li><strong>\u83b7\u53d6\u7528\u6237\u5a92\u4f53<\/strong>\uff1a\u4ece\u6444\u50cf\u5934\u3001\u9ea6\u514b\u98ce\u7b49\u8bbe\u5907\u83b7\u53d6\u97f3\u9891\u548c\u89c6\u9891\u7684API\u3002<\/li><li><strong>RTCPeerConnection<\/strong>\uff1a\u7528\u4e8e\u5efa\u7acb\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684\u901a\u4fe1\u4ee5\u53ca\u4ea4\u6362\u5a92\u4f53\u548c\u6570\u636e\u7684\u6838\u5fc3 API\u3002<\/li><li><strong>RTC\u6570\u636e\u901a\u9053<\/strong>\uff1a\u6570\u636e\u901a\u9053\uff0c\u53ef\u7528\u4e8e\u53d1\u9001\u6587\u4ef6\u3001\u804a\u5929\u7b49\u3002<\/li><\/ul>\n\n\n\n<p>\u8fd9\u4e9bAPI\u4f7f\u5f97\u5f88\u591a\u5b9e\u65f6\u5e94\u7528\u7684\u5f00\u53d1\u6210\u4e3a\u53ef\u80fd\uff0c\u6bd4\u5982\u89c6\u9891\u901a\u8bdd\u3001\u97f3\u9891\u4f1a\u8bae\u3001\u6587\u4ef6\u5171\u4eab\u7b49\u3002\u7136\u800c\u5728\u5b9e\u9645\u901a\u4fe1\u4e2d\uff0c\u5b58\u5728NAT\u7a7f\u8d8a\u548c\u9632\u706b\u5899\u7684\u95ee\u9898\uff0c\u56e0\u6b64\u7406\u89e3\u548c\u5b9e\u73b0STUN\/TURN\/TURNS\u7b49NAT\u7a7f\u8d8a\u6280\u672f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h2>STUN\u3001TURN\u3001TURNS\u7684\u533a\u522b\u548c\u4f5c\u7528<\/h2>\n\n\n\n<p>\u8981\u5b9e\u73b0\u7a33\u5b9a\u7684WebRTC\u70b9\u5bf9\u70b9\u8fde\u63a5\uff0cNAT\u7a7f\u8d8a\u673a\u5236\u5fc5\u4e0d\u53ef\u5c11\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u4ee3\u8868\u6280\u672fSTUN\u3001TURN\u3001TURNS\u7684\u6280\u672f\u533a\u522b\u3001\u4f7f\u7528\u573a\u666f\u53ca\u4f18\u7f3a\u70b9\u3002<\/p>\n\n\n\n<p>STUN \u662f\u4e00\u79cd\u4e3b\u8981\u7528\u4e8e\u5728 NAT \u73af\u5883\u4e2d\u67e5\u627e\u5916\u90e8\u5730\u5740\u7684\u534f\u8bae\uff0c\u800c TURN \u662f\u4e00\u79cd\u5728\u65e0\u6cd5\u76f4\u63a5\u8fde\u63a5\u65f6\u5145\u5f53\u4e2d\u7ee7\u670d\u52a1\u5668\u7684\u534f\u8bae\u3002\u53e6\u4e00\u65b9\u9762\uff0cTURNS \u4f7f\u7528 TLS \u52a0\u5bc6 TURN \u901a\u4fe1\uff0c\u5e76\u4f7f\u7528\u4e0e HTTPS \u76f8\u540c\u7684\u7aef\u53e3\u53f7 443\uff0c\u4ece\u800c\u53ef\u4ee5\u5728\u4f01\u4e1a\u7f51\u7edc\u7b49\u4e25\u683c\u7684\u9632\u706b\u5899\u540e\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4e86\u89e3\u6bcf\u79cd\u7279\u6027\u5e76\u9002\u5f53\u4f7f\u7528\u5b83\u4eec\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8 WebRTC \u901a\u4fe1\u7684\u6210\u529f\u7387\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<h3>STUN\uff08UDP\uff09\u7684\u4f5c\u7528\u548c\u7279\u70b9<\/h3>\n\n\n\n<p>STUN\uff08NAT \u4f1a\u8bdd\u904d\u5386\u5b9e\u7528\u7a0b\u5e8f\uff09\u662f\u4e00\u79cd\u5141\u8bb8\u5ba2\u6237\u7aef<strong>\u5916\u90e8 IP \u5730\u5740\u548c\u7aef\u53e3<\/strong>\u8fd9\u662f\u4e00\u4e2a\u83b7\u53d6 PC IP \u5730\u5740\u7684\u7b80\u5355\u534f\u8bae\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u53f0 PC \u4f4d\u4e8e NAT \u540e\u9762\uff0c\u5b83\u4e0d\u77e5\u9053\u81ea\u5df1\u7684\u5168\u5c40 IP \u5730\u5740\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2 STUN \u670d\u52a1\u5668\u83b7\u53d6\u201c\u81ea\u5df1\u7684 IP \u5730\u5740\uff1a\u4ece\u5916\u90e8\u770b\u5230\u7684\u7aef\u53e3\u201d\u3002<\/p>\n\n\n\n<p>STUN\u670d\u52a1\u5668\u5c31\u50cf\u4e00\u9762\u955c\u5b50\uff0c\u5c06\u6536\u5230\u7684\u8bf7\u6c42\u7684\u6e90\u4fe1\u606f\u539f\u5c01\u4e0d\u52a8\u5730\u8fd4\u56de\u3002\u8fd9\u6837\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u77e5\u9053\u81ea\u5df1\u7684\u5168\u5c40IP\u5730\u5740\uff0c\u4ee5\u53caNAT\uff08Server Reflexive candidates\uff09\u5206\u914d\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n\n\n\n<p>STUN \u901a\u4fe1\u901a\u5e38\u4f7f\u7528 UDP \u8fdb\u884c\uff0c\u9ed8\u8ba4\u7aef\u53e3\u4e3a 3478\uff08UDP\/3478\uff09\u3002\u7531\u4e8e STUN \u901a\u4fe1\u9700\u8981\u4f7f\u7528 UDP \u8fdb\u884c\u8f7b\u91cf\u7ea7\u3001\u5355\u6b21\u901a\u4fe1\uff0c\u56e0\u6b64\u5f00\u9500\u4f4e\u3001\u5ef6\u8fdf\u4f4e\uff0c\u5e76\u4e14\u51e0\u4e4e\u4e0d\u4f1a\u7ed9\u670d\u52a1\u5668\u7aef\u5e26\u6765\u4efb\u4f55\u8d1f\u62c5\u3002\u56e0\u6b64\uff0c\u5728\u5141\u8bb8\u4f7f\u7528 UDP \u901a\u4fe1\u7684\u73af\u5883\u4e2d\uff0c\u4f1a\u9996\u5148\u5c1d\u8bd5\u4f7f\u7528 STUN \u8fdb\u884c NAT \u7a7f\u8d8a\u3002<\/p>\n\n\n\n<h4><strong>STUN\u4f7f\u7528\u573a\u666f<\/strong><\/h4>\n\n\n\n<p>\u5b83\u5728\u9700\u8981 NAT \u7a7f\u8d8a\u4f46 UDP \u901a\u4fe1\u672c\u8eab\u4e0d\u53d7\u963b\u65ad\u7684\u73af\u5883\u4e2d\u975e\u5e38\u6709\u6548\uff0c\u4f8b\u5982\u5bb6\u5ead\u7f51\u7edc\u548c\u79fb\u52a8\u7ebf\u8def\u3002\u5982\u679c STUN \u80fd\u591f\u83b7\u53d6\u5f7c\u6b64\u7684\u5916\u90e8 IP:\u7aef\u53e3\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u5efa\u7acb\u76f4\u63a5\uff08\u70b9\u5bf9\u70b9\uff09\u901a\u4fe1\u3002\u7531\u4e8e\u901a\u4fe1\u8def\u5f84\u662f\u76f4\u63a5\u7684\uff0c\u56e0\u6b64\u5ef6\u8fdf\u66f4\u5c11\uff0c\u5e76\u4e14\u80fd\u591f\u4fdd\u6301\u8f83\u9ad8\u7684\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u670d\u52a1\u5668\u4ec5\u8d1f\u8d23 IP \u4fe1\u606f\u7684\u4ea4\u6362\uff0c\u56e0\u6b64\u6210\u672c\u975e\u5e38\u4f4e\u3002\u4f8b\u5982\uff0c\u5728\u5728\u7ebf\u6e38\u620f\u6216\u89c6\u9891\u901a\u8bdd\u4e2d\uff0c\u5982\u679c\u53cc\u65b9\u8bbe\u5907\u90fd\u5904\u4e8e\u76f8\u5bf9\u5f00\u653e\u7684 NAT \u4e2d\uff0c\u5219 STUN \u8db3\u4ee5\u5b9e\u73b0\u70b9\u5bf9\u70b9\u8fde\u63a5\u3002<\/p>\n\n\n\n<h4>STUN \u7684\u5c40\u9650\u6027\u548c\u7f3a\u70b9<\/h4>\n\n\n\n<p>STUN \u53ea\u662f\u4e00\u79cd\u201c\u67e5\u627e\u81ea\u5df1\u7684\u5916\u90e8\u5730\u5740\u201d\u7684\u624b\u6bb5\uff0c\u6839\u636e NAT \u7c7b\u578b\u548c\u9632\u706b\u5899\u7684\u9650\u5236\uff0c\u5355\u72ec\u4f7f\u7528 STUN \u53ef\u80fd\u65e0\u6cd5\u8fde\u63a5\u3002\u5c24\u5176\u662f\u5728\u5bf9\u79f0\u578b NAT \u6216\u4e25\u683c\u7684\u9632\u706b\u5899\u73af\u5883\u4e2d\uff0c\u6765\u81ea\u5bf9\u65b9\u7684\u6570\u636e\u5305\u53ef\u80fd\u65e0\u6cd5\u5230\u8fbe\u901a\u8fc7 STUN \u83b7\u53d6\u7684\u5730\u5740\uff0c\u4ece\u800c\u5bfc\u81f4\u65e0\u6cd5\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cUDP \u901a\u4fe1\u672c\u8eab\u53ef\u80fd\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\u88ab\u5c4f\u853d\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cSTUN \u8bf7\u6c42\u65e0\u6cd5\u5230\u8fbe\u8bbe\u5907\u3002\u7b80\u800c\u8a00\u4e4b\uff0cSTUN \u662f\u4e00\u79cd\u7528\u4e8e\u786e\u5b9a\u662f\u5426\u53ef\u4ee5\u8fdb\u884c\u76f4\u63a5\u901a\u4fe1\u7684\u673a\u5236\uff0c\u5728\u7269\u7406\u4e0a\u65e0\u6cd5\u8fdb\u884c\u76f4\u63a5\u901a\u4fe1\u7684\u73af\u5883\u4e2d\u4e0d\u8d77\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u5728 ICE\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u4e2d\u4f7f\u7528 STUN \u6765\u83b7\u53d6\u7b2c\u4e00\u9636\u6bb5\u7684\u5019\u9009\u8fde\u63a5\uff0c\u5e76\u4e14\u5982\u679c STUN \u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42\uff0c\u5219\u4f1a\u56de\u9000\u5230 TURN\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u3002<\/p>\n\n\n\n<h3>TURN\uff08UDP\uff09\u7684\u4f5c\u7528\u548c\u7279\u70b9<\/h3>\n\n\n\n<p>TURN\uff08\u4f7f\u7528\u4e2d\u7ee7\u7ed5\u8fc7 NAT\uff09\u662f\u4e00\u79cd\u5728\u65e0\u6cd5\u901a\u8fc7 STUN \u76f4\u63a5\u901a\u4fe1\u65f6\u5145\u5f53\u4e2d\u7ee7\u7684\u534f\u8bae\u3002TURN \u670d\u52a1\u5668\u5145\u5f53\u901a\u4fe1\u4f19\u4f34\u548c\u5bf9\u65b9\u4e4b\u95f4\u53ef\u5168\u5c40\u8bbf\u95ee\u7684\u4e2d\u7ee7\u70b9\uff0c\u8d1f\u8d23\u8f6c\u53d1\u6570\u636e\u5305\u3002\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 TURN \u670d\u52a1\u5668\uff0c\u5e76\u83b7\u53d6\u4e00\u4e2a\u4e2d\u7ee7 IP \u5730\u5740\u548c\u7aef\u53e3\uff08\u79f0\u4e3a\u4e2d\u7ee7\u5019\u9009\uff09\u3002\u4e4b\u540e\uff0c\u901a\u8fc7\u8be5 TURN \u670d\u52a1\u5668\u4e0e\u5bf9\u65b9\u8fdb\u884c\u5a92\u4f53\u548c\u6570\u636e\u4ea4\u6362\u3002<\/p>\n\n\n\n<p>TURN \u901a\u5e38\u4e5f\u4f7f\u7528 UDP \u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u53ea\u8981\u4f7f\u7528 UDP\uff0c\u5b83\u5c31\u80fd\u4ee5\u7c7b\u4f3c\u4e8e\u76f4\u63a5\u901a\u4fe1\u7684\u65b9\u5f0f\u4e2d\u7ee7\u5a92\u4f53\u6570\u636e\u5305\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cTURN \u534f\u8bae\u5728\u7aef\u53e3 3478\uff08UDP\uff09\u4e0a\u88ab\u63a5\u53d7\uff0c\u4e0e STUN \u76f8\u540c\u3002\u5373\u4f7f UDP \u7aef\u53e3\u53f7\u53d7\u5230\u9632\u706b\u5899\u7b56\u7565\u7684\u9650\u5236\uff0cTURN \u4e5f\u53ef\u4ee5\u5728\u5141\u8bb8\u7684\u7aef\u53e3\uff08\u4f8b\u5982 UDP\/443\uff09\u4e0a\u8fd0\u884c\u3002\u53ea\u8981\u4f7f\u7528 UDP\uff0c\u5c31\u80fd\u5b9e\u73b0\u6bd4 TCP \u66f4\u9ad8\u5b9e\u65f6\u6027\u7684\u4e2d\u7ee7\u3002<\/p>\n\n\n\n<h4>TURN \u4f7f\u7528\u573a\u666f<\/h4>\n\n\n\n<p>\u5f53\u65e0\u6cd5\u5efa\u7acb\u76f4\u63a5\u8fde\u63a5\u65f6\uff0cTURN \u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c<span class=\"swl-marker mark_blue\">\u5f53\u4e00\u65b9\u6216\u53cc\u65b9\u90fd\u5904\u4e8e\u4e25\u683c\u7684\u516c\u53f8\u9632\u706b\u5899\u4e4b\u540e\uff0c\u6216\u8005\u53cc\u65b9\u90fd\u5177\u6709\u5bf9\u79f0 NAT \u5e76\u4e14 UDP \u6253\u6d1e\u5931\u8d25\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u3002<\/span>\u5728\u8fd9\u6837\u7684\u73af\u5883\u4e2d\uff0c\u5982\u679c\u4e0d\u901a\u8fc7 TURN \u670d\u52a1\u5668\u4e2d\u7ee7\uff0c\u5c31\u65e0\u6cd5\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64 TURN \u662f\u4e00\u79cd\u6700\u540e\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>WebRTC \u7684\u76ee\u6807\u662f\u8ba9\u6240\u6709\u5bf9\u7b49\u4f53\u90fd\u80fd\u76f4\u63a5\u901a\u4fe1\uff0c\u4f46\u5373\u4f7f\u65e0\u6cd5\u5b9e\u73b0\uff0c\u901a\u4fe1\u672c\u8eab\u4e5f\u53ef\u4ee5\u901a\u8fc7\u56de\u9000\u5230 TURN \u7ee7\u7eed\u8fdb\u884c\u3002\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u4e00\u822c\u7b56\u7565\u662f\u5148\u5c1d\u8bd5\u4f7f\u7528 STUN \u76f4\u63a5\u8fde\u63a5\uff0c\u53ea\u6709\u5728\u5931\u8d25\u65f6\u624d\u5207\u6362\u5230 TURN \u4e2d\u7ee7\u3002\u4f8b\u5982\uff0c\u5728\u5185\u90e8\u7f51\u7edc\u4e0a\u7684\u89c6\u9891\u4f1a\u8bae\u4e2d\uff0c\u5982\u679c\u53cc\u65b9\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\uff0c\u901a\u4fe1\u5c06\u81ea\u52a8\u5207\u6362\u5230\u901a\u8fc7 TURN \u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\uff0c\u8ba9\u7528\u6237\u5728\u4e0d\u77e5\u4e0d\u89c9\u4e2d\u7ee7\u7eed\u5bf9\u8bdd\u3002<\/p>\n\n\n\n<h4><strong>TURN \u7684\u4f18\u52bf<\/strong><\/h4>\n\n\n\n<p>\u6700\u5927\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u9760\u6027\u3002\u65e0\u8bba\u60a8\u8eab\u5904\u4f55\u79cd NAT \u6216\u9632\u706b\u5899\u73af\u5883\uff0c\u53ea\u8981\u80fd\u591f\u5efa\u7acb\u4ece\u5ba2\u6237\u7aef\u5230 TURN \u670d\u52a1\u5668\u7684\u901a\u4fe1\uff0c\u6700\u7ec8\u5c31\u80fd\u5b9e\u73b0\u70b9\u5bf9\u70b9\u901a\u4fe1\u3002\u6b64\u5916\uff0c\u7531\u4e8e TURN \u5728\u534f\u8bae\u4e0a\u662f\u5bf9 STUN \u7684\u6269\u5c55\uff0c\u56e0\u6b64\u5355\u4e2a\u670d\u52a1\u5668\u5b9e\u73b0\uff08\u4f8b\u5982\u4e0b\u6587\u4ecb\u7ecd\u7684 coturn\uff09\u53ef\u4ee5\u540c\u65f6\u5904\u7406 STUN \u548c TURN \u8bf7\u6c42\u3002\u4e00\u65e6\u5efa\u7acb\u8fde\u63a5\uff0c\u540e\u7eed\u5a92\u4f53\u5c06\u4ee5\u6d41\u7684\u5f62\u5f0f\u8fdb\u884c\u4e2d\u7ee7\uff0c\u56e0\u6b64\u4ece\u7528\u6237\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u901a\u4fe1\u662f\u65e0\u7f1d\u7684\uff0c\u9664\u4e86\u4e00\u4e9b\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h4><strong>TURN \u7684\u7f3a\u70b9<\/strong><\/h4>\n\n\n\n<p> \u5b83\u6700\u5927\u7684\u7f3a\u70b9\u662f\u8d44\u6e90\u6d88\u8017\u548c\u5ef6\u8fdf\u3002\u4f7f\u7528 TURN\uff0c\u6240\u6709\u97f3\u9891\u548c\u89c6\u9891\u6570\u636e\u90fd\u5fc5\u987b\u7ecf\u8fc7\u670d\u52a1\u5668\uff0c\u8fd9\u9700\u8981\u670d\u52a1\u5668\u7aef\u5de8\u5927\u7684\u5e26\u5bbd\u548c\u5904\u7406\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u4e00\u5bf9\u4e00\u89c6\u9891\u901a\u8bdd\u7684\u5355\u5411\u5e26\u5bbd\u4e3a 1Mbps\uff0c\u90a3\u4e48\u7b80\u5355\u8ba1\u7b97\u4e00\u4e0b\uff0c\u5982\u679c 1,000 \u4e2a\u7528\u6237\u540c\u65f6\u4f7f\u7528\uff0c\u5219\u9700\u8981 1Gbps \u7684\u4e2d\u7ee7\u5e26\u5bbd\u3002\u8fd9\u4f7f\u5f97 TURN \u670d\u52a1\u5668\u7684\u8fd0\u8425\u6210\u672c\u5f88\u9ad8\uff0c\u800c\u5927\u89c4\u6a21\u670d\u52a1\u5219\u9700\u8981\u51c6\u5907\u548c\u6269\u5c55\u591a\u4e2a TURN \u4e2d\u7ee7\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u901a\u4fe1\u8def\u5f84\u8d8a\u957f\uff0c\u5ef6\u8fdf\u8d8a\u5927\uff0c\u5bfc\u81f4\u65f6\u95f4\u6ede\u540e\uff0c\u89c6\u9891\u548c\u97f3\u9891\u8d28\u91cf\u4e0b\u964d\u3002\u6b64\u5916\uff0c\u4e0e\u4f7f\u7528 STUN \u7684\u70b9\u5bf9\u70b9\u901a\u4fe1\u76f8\u6bd4\uff0c\u901a\u8fc7 TURN \u8fdb\u884c\u7684\u901a\u4fe1\u5e76\u975e\u4e25\u683c\u610f\u4e49\u4e0a\u7684\u70b9\u5bf9\u70b9\u901a\u4fe1\uff0c\u56e0\u6b64\u5728\u4fdd\u5bc6\u6027\u65b9\u9762\u7565\u900a\u4e00\u7b79\uff08\u5c3d\u7ba1 TURN \u670d\u52a1\u5668\u901a\u5e38\u4ec5\u4e2d\u7ee7\u672a\u52a0\u5bc6\u7684 RTP\/\u6570\u636e\u62a5\uff0c\u800c\u4e0d\u4f1a\u89e3\u91ca\u5176\u5185\u5bb9\uff09\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u6765\u8bf4\uff0cTURN \u5e94\u4ec5\u5728\u5fc5\u8981\u65f6\u4f7f\u7528\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5927\u591a\u6570 WebRTC \u901a\u4fe1\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 STUN \u8fde\u63a5\uff0cGoogle \u7edf\u8ba1\u6570\u636e\u663e\u793a\uff0c\u603b\u5171\u7ea6\u6709 861 \u4e2a TP3T \u547c\u53eb\u65e0\u9700\u4e2d\u7ee7\uff08\u70b9\u5bf9\u70b9\uff09\u5373\u53ef\u5efa\u7acb\u3002\u53ea\u6709\u5176\u4f59 141 \u4e2a TP3T \u9700\u8981 TURN\uff0c\u4f46\u5bf9\u4e8e\u8fd9 141 \u4e2a TP3T \u6765\u8bf4\uff0c\u62e5\u6709 TURN \u57fa\u7840\u8bbe\u65bd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3>TURNS\uff08TLS over TCP\/443\uff09\u7684\u4f5c\u7528\u548c\u7279\u70b9<\/h3>\n\n\n\n<p>TURNS \u662f\u201cTURN over TLS\u201d\u7684\u7f29\u5199\uff0c\u662f\u4e00\u79cd\u4f7f\u7528 TURN \u534f\u8bae\u548c TLS\uff08\u4f20\u8f93\u5c42\u5b89\u5168\u6027\uff09\u5bf9\u4e2d\u7ee7\u901a\u4fe1\u8fdb\u884c\u52a0\u5bc6\u7684\u534f\u8bae\u3002<span class=\"swl-marker mark_blue\">TURN \u901a\u4fe1\u53d7 TLS (HTTPS) \u4fdd\u62a4<\/span>\u5e76\u4e14\u7ecf\u5e38\u5728 TCP \u7aef\u53e3 443 \u4e0a\u63d0\u4f9b\u670d\u52a1\u3002<span class=\"swl-marker mark_blue\">\u7aef\u53e3 443 \u4e0e HTTPS \u662f\u76f8\u540c\u7684\u7aef\u53e3\u53f7\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f7b\u677e\u7a7f\u8fc7\u4f01\u4e1a\u9632\u706b\u5899\uff0c\u5e76\u4e14\u6613\u4e8e\u7ed5\u8fc7\u4ee3\u7406\u548c\u5ba1\u67e5\u3002<\/span>\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u516c\u53f8\u5185\u90e8\u7f51\u7edc\u53ef\u80fd\u53ea\u5141\u8bb8\u5728\u7aef\u53e3 80 \u548c 443 \u4e0a\u8fdb\u884c\u5916\u90e8\u901a\u4fe1\uff0c\u4f46\u5373\u4f7f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c TURN \u670d\u52a1\u5668\u5728\u7aef\u53e3 443 \u4e0a\u4f7f\u7528 TLS \u901a\u4fe1\uff0c\u5219\u901a\u4fe1\u5f88\u6709\u53ef\u80fd\u901a\u8fc7\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u901a\u4fe1\u4f7f\u7528 TLS \u52a0\u5bc6\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u5b89\u5168\u7684\uff0c\u7b2c\u4e09\u65b9\u96be\u4ee5\u62e6\u622a\u3002<\/p>\n\n\n\n<p>\u5728 WebRTC \u4e2d\uff0c\u8bbe\u7f6e<code>\u201curls\u201d\uff1a\u201cturns\uff1aturnsserver\uff1a443\u201d<\/code>\u5728 URI \u65b9\u6848\u4e2d\uff1a<code>\u8f6c\u5f2f\uff1a<\/code>\u60a8\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u7528\u6b64 TLS \u52a0\u5bc6\u7684 TURN \u670d\u52a1\u5668<\/p>\n\n\n\n<h4>\u4f7f\u7528TURNS\u7684\u573a\u666f<\/h4>\n\n\n\n<p>TURNS \u5bf9\u4e8e\u5728\u4e25\u683c\u9650\u5236\u7684\u73af\u5883\u4e2d\uff08\u4f8b\u5982\u6240\u6709\u5176\u4ed6\u901a\u4fe1\u65b9\u5f0f\u90fd\u88ab\u963b\u6b62\u7684\u516c\u53f8\u7f51\u7edc\uff09\u8fdb\u884c WebRTC \u901a\u4fe1\u975e\u5e38\u6709\u7528\u3002\u5373\u4f7f\u5728\u6240\u6709 UDP \u548c\u5e38\u89c4 TCP \u7aef\u53e3\u90fd\u88ab\u963b\u6b62\u7684\u73af\u5883\u4e2d\uff0c\u4e5f\u6709\u8bb8\u591a\u7b56\u7565\u5141\u8bb8\u4ee5\u4e0e HTTPS \u901a\u4fe1\u76f8\u540c\u7684\u65b9\u5f0f\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u5728 TLS \u7aef\u53e3 443 \u4e0a\u4f7f\u7528 TURN \u5b9e\u9645\u4e0a\u662f\u6700\u540e\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>\u5b83\u8fd8\u7528\u4e8e\u516c\u5171\u65e0\u7ebf\u5c40\u57df\u7f51\u67d0\u4e9b\u7aef\u53e3\u5173\u95ed\u7684\u60c5\u51b5\uff0c\u6216\u8005\u5ba2\u6237\u7aef\u53ea\u80fd\u8fdb\u884c TLS \u901a\u4fe1\u7684\u60c5\u51b5\u3002<span class=\"swl-marker mark_blue\">\u9996\u5148\u662f UDP\uff0c\u5982\u679c\u4e0d\u8d77\u4f5c\u7528\u5219\u4f7f\u7528 TCP\uff0c\u5982\u679c\u4e0d\u8d77\u4f5c\u7528\u5219\u4f7f\u7528 TLS \u5230 443<\/span>\u201c\u5b83\u88ab\u5b9a\u4f4d\u4e3a\u9010\u6b65\u56de\u843d\u7684\u6700\u540e\u9636\u6bb5\u3002<\/p>\n\n\n\n<h4>TURNS \u7684\u4f18\u52bf<\/h4>\n\n\n\n<p>\u5176\u6700\u5927\u7684\u4f18\u52bf\u5728\u4e8e\u5176\u5f3a\u5927\u7684\u9632\u706b\u5899\u9632\u5fa1\u80fd\u529b\u3002TLS \u52a0\u5bc6\u901a\u4fe1\u96be\u4ee5\u4e0e\u5e38\u89c4 HTTPS \u533a\u5206\uff0c\u56e0\u6b64\u66f4\u5bb9\u6613\u901a\u8fc7\u4e25\u683c\u7684\u8fc7\u6ee4\u5668\u3002\u5c24\u5176\u662f\u5728\u516c\u53f8\u5f15\u5165\u7f51\u7edc\u4f1a\u8bae\u7cfb\u7edf\u65f6\uff0c\u9700\u8981\u5141\u8bb8\u4ece\u5185\u90e8\u7f51\u7edc\u8fdb\u884c\u5916\u90e8\u8fde\u63a5\uff0c\u4f46\u57fa\u4e8e TCP\/443 \u7684 TLS \u901a\u4fe1\u66f4\u5bb9\u6613\u5728\u5b89\u5168\u7b56\u7565\u4e0b\u88ab\u63a5\u53d7\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u7ecf\u8fc7\u52a0\u5bc6\uff0c\u56e0\u6b64\u53ef\u4ee5\u786e\u4fdd\u4e0e\u4e2d\u7ee7\u670d\u52a1\u5668\u672c\u8eab\u7684\u901a\u4fe1\u7684\u673a\u5bc6\u6027\uff08*\u4f46\u662f\uff0c\u5185\u5bb9\u672c\u8eab\uff0c\u4f8b\u5982\u89c6\u9891\uff0c\u901a\u5e38\u5df2\u5728 WebRTC \u5c42\u52a0\u5bc6\uff09\u3002<\/p>\n\n\n\n<h4>TURNS \u7684\u7f3a\u70b9<\/h4>\n\n\n\n<p>\u6700\u5927\u7684\u7f3a\u70b9\u662f\u6027\u80fd\u635f\u5931\u3002\u9664\u4e86 TURN \u672c\u8eab\u7684\u5ef6\u8fdf\u548c\u8d1f\u8f7d\u5916\uff0c\u8fd8\u6709 TLS \u548c TCP \u7684\u5f00\u9500\u3002TCP \u662f\u4e00\u79cd\u53ef\u9760\u7684\u4f20\u8f93\u65b9\u5f0f\uff0c\u5e76\u4e14\u5728\u53d1\u751f\u6570\u636e\u5305\u4e22\u5931\u65f6\u5177\u6709\u91cd\u4f20\u673a\u5236\uff0c\u4f46\u5b83\u5e76\u4e0d\u9002\u5408\u5b9e\u65f6\u5a92\u4f53\uff0c\u5982\u679c\u53d1\u751f\u4e22\u5931\uff0c\u89c6\u9891\u548c\u97f3\u9891\u53ef\u80fd\u65e0\u6cd5\u6d41\u7545\u64ad\u653e\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u7531\u4e8e\u6570\u636e\u5305\u6392\u5e8f\uff0cTCP \u5bb9\u6613\u51fa\u73b0\u961f\u5934\u963b\u585e\uff0c<span class=\"swl-marker mark_blue\">\u4e0e UDP \u76f8\u6bd4\uff0c\u6296\u52a8\uff08\u6ce2\u52a8\uff09\u4e5f\u6709\u6240\u589e\u52a0\u3002<\/span>\u6b64\u5916\uff0cTLS \u52a0\u5bc6\u548c\u89e3\u5bc6\u5904\u7406\u4f1a\u7ed9 CPU \u5e26\u6765\u989d\u5916\u7684\u8d1f\u8f7d\u3002\u636e\u62a5\u9053\uff0c\u8fd9\u4f1a\u5bfc\u81f4 50 \u6beb\u79d2\u6216\u66f4\u957f\u7684\u989d\u5916\u5ef6\u8fdf\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u611f\u89c9\u5230\u5361\u987f\u3002\u5c24\u5176\u662f\u5728\u89c6\u9891\u4f1a\u8bae\u4e2d\uff0c\u8fd9\u79cd\u5ef6\u8fdf\u7684\u589e\u52a0\u4f1a\u51cf\u6162\u5bf9\u8bdd\u8282\u594f\uff0c\u5e76\u5bfc\u81f4\u660e\u663e\u7684\u65f6\u95f4\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\uff0cTURNS \u5728\u8d28\u91cf\u65b9\u9762\u53ef\u4ee5\u88ab\u89c6\u4e3a\u4e00\u79cd\u201c\u6700\u540e\u624b\u6bb5\u201d\uff0c\u4f46\u5728\u9664\u4e86\u5efa\u7acb\u901a\u4fe1\u4e4b\u5916\u522b\u65e0\u9009\u62e9\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u4e5f\u662f\u4e00\u6761\u53ef\u9760\u7684\u751f\u547d\u7ebf\u3002<\/p>\n\n\n\n<p>\u8fd1\u5e74\u6765\uff0c\u4eba\u4eec\u8003\u8651\u91c7\u7528\u4e00\u79cd\u5728 UDP \u7aef\u53e3 443 \u4e0a\u8fd0\u884c\u5e76\u4f7f\u7528 DTLS\/QUIC \u4ee3\u66ff TLS \u7684\u65b0\u65b9\u6cd5\uff08TURN over QUIC\uff09\uff0c\u4f46\u5b83\u4ecd\u5904\u4e8e\u6807\u51c6\u5316\u8fc7\u7a0b\u4e2d\uff0c\u5e76\u4e0d\u5e38\u7528\u3002<\/p>\n\n\n\n<h2>UDP STUN \u4e0d\u53ef\u7528\u65f6\u7684\u901a\u4fe1\u6d41\u7a0b<\/h2>\n\n\n\n<p>\u6211\u4eec\u5c06\u9010\u6b65\u89e3\u91ca\u5f53 UDP \u4e0a\u7684 STUN \u4e0d\u53ef\u7528\u65f6\uff0cWebRTC ICE \u7684\u5904\u7406\u8fc7\u7a0b\u3002\u5047\u8bbe UDP \u5b8c\u5168\u963b\u585e\uff0c\u4f8b\u5982\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\uff0c\u5e76\u89c2\u5bdf ICE \u534f\u5546\u5982\u4f55\u56de\u9000\u3002<\/p>\n\n\n\n<ol><li><strong>\u5ba2\u6237\u7aef\u5411 STUN \u670d\u52a1\u5668\u53d1\u9001\u5916\u90e8 IP \u67e5\u8be2\uff08UDP\/3478\uff09\uff1a<\/strong><br>WebRTC \u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09<code>\u51b0\u670d\u52a1\u5668<\/code>\u901a\u8fc7 UDP \u7aef\u53e3 3478 \u5411 \u4e2d\u6307\u5b9a\u7684 STUN \u670d\u52a1\u5668\u53d1\u9001\u7ed1\u5b9a\u8bf7\u6c42\uff08\u9a8c\u8bc1\u5916\u90e8\u5730\u5740\u7684\u8bf7\u6c42\uff09\u3002\u8fd9\u662f\u6536\u96c6 ICE \u5019\u9009\u7684\u7b2c\u4e00\u6b65\uff0c\u5982\u679c\u6210\u529f\uff0c\u670d\u52a1\u5668\u5c06\u8fd4\u56de\u81ea\u5df1\u7684\u5168\u5c40 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\uff0c\u5e76\u4f5c\u4e3a\u670d\u52a1\u5668\u53cd\u5c04\u5019\u9009\uff08srflx \u5019\u9009\uff09\u6dfb\u52a0\u5230\u5019\u9009\u5217\u8868\u4e2d\u3002<\/li><li><strong>UDP\u6570\u636e\u5305\u88ab\u9632\u706b\u5899\u963b\u6b62\uff0c\u5e76\u4e14\u672a\u6536\u5230\u4efb\u4f55\u54cd\u5e94\uff1a<\/strong><br>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7f51\u7edc\u9632\u706b\u5899\u8bbe\u7f6e\u4f1a\u963b\u6b62 UDP \u901a\u4fe1\u5230\u8fbe\u5916\u90e8\u3002\u56e0\u6b64\uff0c\u53d1\u9001\u5230 STUN \u670d\u52a1\u5668\u7684\u8bf7\u6c42\u65e0\u6cd5\u5230\u8fbe\u670d\u52a1\u5668\uff0c\u6216\u8005\u56de\u590d\u65e0\u6cd5\u5230\u8fbe\u5ba2\u6237\u7aef\u3002\u7ed3\u679c\uff0c\u5ba2\u6237\u7aef<strong>\u672a\u6536\u5230 STUN \u54cd\u5e94<\/strong>\uff0c\u65e0\u6cd5\u77e5\u9053\u5916\u90e8 IP \u5730\u5740\u3002ICE \u4ee3\u7406\u7b49\u5f85\u54cd\u5e94\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f46\u968f\u540e\u8d85\u65f6\u3002\u4ece\u7528\u6237\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fde\u63a5\u4ecd\u5728\u5904\u7406\u4e2d\uff0c\u6ca1\u6709\u663e\u793a\u4efb\u4f55\u9519\u8bef\u6d88\u606f\uff0c\u4f46\u5b9e\u9645\u4e0a<strong>\u672a\u80fd\u6536\u96c6\u5019\u9009\u4eba<\/strong>\u8fd9\u79cd\u60c5\u51b5\u76ee\u524d\u6b63\u5728\u53d1\u751f\u3002<\/li><li><strong>ICE \u76f4\u63a5\u8fde\u63a5\u68c0\u67e5\u5931\u8d25\uff0c\u56e0\u4e3a\u6ca1\u6709\u53ef\u7528\u7684 Server Reflexive \u5019\u9009\uff1a<\/strong><br>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5982\u679c STUN \u8fde\u63a5\u6210\u529f\uff0c\u5ba2\u6237\u7aef\u9664\u4e86\u4e3b\u673a\u5019\u9009\uff08\u60a8\u7684\u672c\u5730 IP\uff09\u4e4b\u5916\uff0c\u8fd8\u4f1a\u6709\u4e00\u4e2a\u670d\u52a1\u5668\u81ea\u53cd\u5019\u9009\uff08\u60a8\u7684\u5168\u5c40 IP\uff09\uff0c\u5e76\u5c06\u5176\u4e0e\u8fdc\u7aef\u5bf9\u7b49\u4f53\u7684\u7c7b\u4f3c\u5019\u9009\u76f8\u7ed3\u5408\uff0c\u4ee5\u68c0\u67e5\u8fde\u63a5\u662f\u5426\u6b63\u5e38\u3002\u4f46\u662f\uff0c\u5982\u679c\u7531\u4e8e STUN \u8fde\u63a5\u5931\u8d25\u5bfc\u81f4\u6ca1\u6709\u5168\u5c40 IP \u5019\u9009\uff0c\u5219<strong>\u76f4\u63a5\u540c\u4faa\u8054\u7cfb\u7684\u5019\u9009\u4eba\u6781\u5176\u6709\u9650<\/strong>\u4f8b\u5982\uff0c\u5982\u679c\u53cc\u65b9\u90fd\u53ea\u6709\u79c1\u6709 IP \u5730\u5740\uff0c\u5373\u4f7f\u5c1d\u8bd5\u8fde\u63a5\u4e5f\u65e0\u6cd5\u4e92\u76f8\u8bbf\u95ee\u3002\u56e0\u6b64\uff0cICE \u4f1a\u5224\u65ad\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\u3002\u5982\u679c ICE \u670d\u52a1\u5668\uff08TURN\uff09\u672a\u914d\u7f6e\uff0c\u5219\u6574\u4e2a ICE \u4f1a\u5728\u6b64\u9636\u6bb5\u88ab\u89c6\u4e3a\u5931\u8d25\uff0cWebRTC \u8fde\u63a5\u5c06\u65e0\u6cd5\u5efa\u7acb\uff08\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u5c06\u663e\u793a<code>ICE \u5931\u8d25<\/code>\u548c......\u548c<code>ICE\u8fde\u63a5\u72b6\u6001\uff1a\u5931\u8d25<\/code>\u7b49\uff09\u3002<\/li><li><strong>\u5c1d\u8bd5\u83b7\u53d6 TURN \u4e2d\u7ee7\u5019\u9009\uff08\u901a\u8fc7 TCP\/TLS\/443\uff09\uff1a<\/strong><br>\u5373\u4f7f STUN \u76f4\u63a5\u83b7\u53d6\u5019\u9009\u5931\u8d25\uff0c<code>\u51b0\u670d\u52a1\u5668<\/code>\u5982\u679c\u5728<strong>\u540e\u7eed\u6b65\u9aa4<\/strong>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u7531\u4e8e UDP \u4e0d\u53ef\u7528\uff0c\u5ba2\u6237\u7aef\u5c06\u5c1d\u8bd5\u4f7f\u7528 TCP \u6216 TLS \u8fde\u63a5\u5230 TURN \u670d\u52a1\u5668\uff08\u4f8b\u5982\uff0c<code>\u8f6c\u5f2f\uff1aturn.example.com\uff1a443<\/code>\uff08\u5982\u679c\u5df2\u914d\u7f6e\uff0cTLS \u63e1\u624b\u5c06\u5f00\u59cb\u3002\uff09\u5e78\u8fd0\u7684\u662f\uff0c\u9632\u706b\u5899\u5141\u8bb8\u5728 TCP 443 \u7aef\u53e3\u4e0a\u8fdb\u884c HTTPS \u901a\u4fe1\uff0c\u56e0\u6b64\u901a\u8fc7 TLS \u5efa\u7acb\u7684 TURN \u8fde\u63a5\u6210\u529f\u3002\u5ba2\u6237\u7aef\u5728 TURN \u670d\u52a1\u5668\u4e0a\u83b7\u53d6\u4e00\u4e2a\u4e2d\u7ee7\u5730\u5740\uff0c<strong>\u63a5\u529b\u5019\u9009\u4eba<\/strong>\u53e6\u4e00\u7aef\u5c06\u83b7\u5f97\u4e2d\u7ee7\u5019\u9009\uff0c\u8fd9\u4e9b\u5019\u9009\u662f\u201c\u901a\u8fc7 TURN \u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u7684\u865a\u62df\u5019\u9009\u201d\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u53e6\u4e00\u7aef\uff08\u8fdc\u7a0b\u7aef\uff09\u4e5f\u5c06\u83b7\u5f97\u4e2d\u7ee7\u5019\u9009\uff0c\u6216\u8005\u5982\u679c\u7f51\u7edc\u6ca1\u6709\u95ee\u9898\uff0c\u5219\u4f1a\u6709\u76f4\u63a5\u5019\u9009\u6216 STUN \u5019\u9009\u3002\u65e0\u8bba\u5982\u4f55\uff0c\u53ea\u8981\u81f3\u5c11\u4e00\u7aef\u6709\u4e2d\u7ee7\u5019\u9009\uff0c\u53e6\u4e00\u7aef\u5c31\u53ef\u4ee5\u5c1d\u8bd5\u8fde\u63a5\u5230\u8be5 TURN \u670d\u52a1\u5668\u3002<\/li><li><strong>\u901a\u8fc7\u4e2d\u7ee7\u5efa\u7acb ICE \u8fde\u63a5\uff08\u6216\u6700\u7ec8\u5931\u8d25\uff09\uff1a<\/strong><br>\u4e00\u65e6\u53cc\u65b9\u90fd\u6709\u53ef\u7528\u7684\u5019\u9009\u8005\uff08\u672c\u4f8b\u4e2d\u662f\u4e00\u4e2a\u6216\u4e24\u4e2a\u4e2d\u7ee7\u5019\u9009\u8005\uff09\uff0cICE \u5c31\u4f1a\u4f7f\u7528\u5b83\u4eec\u6765\u68c0\u67e5\u8fde\u63a5\u3002\u4e00\u65e6\u901a\u8fc7 TURN \u670d\u52a1\u5668\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u901a\u4fe1\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u4e2d\u7ee7\uff0c\u56e0\u6b64\u5373\u4f7f UDP \u4e0d\u5728\u53cc\u65b9\u4e4b\u95f4\u76f4\u63a5\u4f20\u8f93\uff0c\u5a92\u4f53\u901a\u9053\u4e5f\u4f1a\u6253\u5f00\u3002\u8fd9\u5141\u8bb8\u7528\u6237\u4e4b\u95f4\u5f00\u59cb\u89c6\u9891\u548c\u97f3\u9891\u901a\u4fe1\u3002\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u867d\u7136\u4f1a\u6709\u4e00\u4e9b TCP over TLS \u5f62\u5f0f\u7684\u5f00\u9500\uff0c\u4f46\u5bf9\u8bdd\u672c\u8eab\u662f\u53ef\u4ee5\u8fdb\u884c\u7684\u3002\u76f8\u53cd\uff0c\u5982\u679c\u8fd9\u91cc\u4e5f\u53d1\u751f\u6545\u969c\uff08\u4f8b\u5982\uff0c\u516c\u53f8\u4ee3\u7406\u68c0\u6d4b\u5230\u5e76\u963b\u6b62\u4e86\u975e HTTP TLS \u901a\u4fe1\uff0c\u6216\u8005 TURN \u670d\u52a1\u5668\u7684\u8eab\u4efd\u9a8c\u8bc1\u5931\u8d25\uff09\uff0cICE \u5c31\u4f1a\u5931\u8d25\uff0c\u8fde\u63a5\u5c06\u88ab\u653e\u5f03\u3002\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u68c0\u6d4b\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u5e76\u901a\u77e5\u7528\u6237\u201c\u65e0\u6cd5\u8fde\u63a5\u201d\u7b49\u4fe1\u606f\u3002<\/li><\/ol>\n\n\n\n<p>\u8fd9\u662f\u5728\u65e0\u6cd5\u4f7f\u7528 UDP \u7684\u6076\u52a3\u73af\u5883\u4e0b ICE \u534f\u5546\u7684\u6d41\u7a0b\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u5019\u9009\u670d\u52a1\u5668\u5c06\u6309\u7167\u201c\u4e3b\u673a \u2192 STUN \u2192 TURN\u201d\u7684\u987a\u5e8f\u8fdb\u884c\u5c1d\u8bd5\uff0c\u5982\u679c\u5931\u8d25\uff0c\u8fde\u63a5\u5c06\u5931\u8d25\u3002\u5f00\u53d1\u4eba\u5458\u52a1\u5fc5\u4e86\u89e3\u6b64\u884c\u4e3a\uff0c\u5e76\u81f3\u5c11\u5728 ICE \u670d\u52a1\u5668\u5217\u8868\u4e2d\u5305\u542b\u4e00\u4e2a TURN\/TURNS \u670d\u52a1\u5668\uff0c\u4ee5\u4fbf\u5373\u4f7f\u5728\u6700\u574f\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u5efa\u7acb\u901a\u4fe1\u3002\u6b64\u5916\uff0c\u5728\u6536\u5230\u7528\u6237\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u6545\u969c\u6392\u9664\uff0c\u4f8b\u5982\u6839\u636e\u201cICE \u5931\u8d25\u201d\u7b49\u4fe1\u606f\u63a8\u65ad\u7f51\u7edc\u73af\u5883\u95ee\u9898\uff08\u4f8b\u5982 UDP \u963b\u585e\uff09\uff0c\u5e76\u68c0\u67e5\u662f\u5426\u7f3a\u5c11 TURN \u670d\u52a1\u5668\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h2>\u4f7f\u7528 coturn \u6784\u5efa\u548c\u914d\u7f6e STUN\/TURN\/TURNS \u670d\u52a1\u5668<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8\u60f3\u8bbe\u7f6e\u81ea\u5df1\u7684 STUN\/TURN \u670d\u52a1\u5668\uff0c\u8bf7\u4f7f\u7528\u5f00\u6e90\u5b9e\u73b0\u3002 <strong><a href=\"https:\/\/github.com\/coturn\/coturn\" data-type=\"URL\" data-id=\"https:\/\/github.com\/coturn\/coturn\">\u79d1\u7279\u6069<\/a><\/strong>\u4f7f\u7528 coturn \u5f88\u5e38\u89c1\u3002coturn \u662f\u4e00\u4e2a\u652f\u6301 STUN \u548c TURN \u7684\u670d\u52a1\u5668\u5b9e\u73b0\uff0c\u5e76\u4e14\u6839\u636e\u8bbe\u7f6e\u8fd8\u53ef\u4ee5\u652f\u6301 TURNS\uff08TLS\uff09\u3002\u672c\u6587\u4ecb\u7ecd\u5982\u4f55\u5728 Linux \u670d\u52a1\u5668\u4e0a\u5b89\u88c5 coturn \u5e76\u6784\u5efa\u4e00\u4e2a\u63d0\u4f9b STUN\/TURN\/TURNS \u670d\u52a1\u7684\u670d\u52a1\u5668\uff0c\u4ee5\u53ca\u914d\u7f6e\u8981\u70b9\u3002\u6b64\u5916\uff0c\u8fd8\u4ecb\u7ecd\u4e86\u5178\u578b\u7684\u914d\u7f6e\u6587\u4ef6 (<code>turnserver.conf<\/code>) \u4e5f\u4f1a\u663e\u793a\u3002<\/p>\n\n\n\n<h3>\u5b89\u88c5\u548c\u57fa\u672c\u914d\u7f6e<\/h3>\n\n\n\n<h4><strong>\u5b89\u88c5<\/strong><\/h4>\n\n\n\n<p>\u5bf9\u4e8e Ubuntu \u548c Debian\uff0c<code>\u6613\u4e8e<\/code>\u60a8\u53ef\u4ee5\u4ece\u6b64\u5904\u5b89\u88c5 coturn \u5305\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u5b83\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u542f\u52a8\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\" data-no-translation=\"\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code># Ubuntu\/Debian\u306e\u5834\u5408\nsudo apt-get install coturn\nsudo sed -i &#39;s\/#TURNSERVER_ENABLED=1\/TURNSERVER_ENABLED=1\/&#39; \/etc\/default\/coturn\nsudo systemctl enable --now coturn<\/code><\/pre><\/div>\n\n\n\n<p>\u8fd9\u5c06\u542f\u52a8 coturn \u670d\u52a1\u5668\u4f5c\u4e3a\u5b88\u62a4\u8fdb\u7a0b\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u5c06\u8fd0\u884c\u914d\u7f6e\u6587\u4ef6 <code>\/etc\/turnserver.conf<\/code> \u8fd9\u5c06\u52a0\u8f7d\u6587\u4ef6\uff0c\u7136\u540e\u60a8\u53ef\u4ee5\u7f16\u8f91\u5b83\uff08\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u8bf7\u5728\u7f16\u8f91\u4e4b\u524d\u8fdb\u884c\u5907\u4efd\uff09\u3002<\/p>\n\n\n\n<h4><strong>\u57fa\u672c\u8bbe\u7f6e<\/strong><\/h4>\n\n\n\n<p> <code>turnserver.conf<\/code>\u73b0\u5728\uff0c\u8bbe\u7f6e\u4ee5\u4e0b\u9879\u76ee\uff1a<\/p>\n\n\n\n<ul><li class=\"\"><strong>\u9886\u57df\u548c\u670d\u52a1\u5668\u540d\u79f0\uff1a<\/strong> \u8fd9\u662f TURN \u670d\u52a1\u5668\u7684\u57df\u540d\u6216\u6807\u8bc6\u540d\u3002\u5b83\u53ef\u80fd\u7528\u4e8e\u5bf9 WebRTC \u5ba2\u6237\u7aef\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4f46\u57fa\u672c\u4e0a\u53ef\u4ee5\u662f\u4efb\u610f\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a <code>\u9886\u57df=example.com<\/code>\uff0c<code>\u670d\u52a1\u5668\u540d\u79f0=example.com<\/code>\u3002<\/li><li class=\"\"><strong>\u76d1\u542c\u7aef\u53e3\uff1a<\/strong> \u7528\u4e8e\u4fa6\u542c TURN \u548c STUN \u7684 UDP \u7aef\u53e3\u53f7\u3002\u9ed8\u8ba4\u503c\u4e3a 3478\u3002<code>\u76d1\u542cIP<\/code>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u7ed1\u5b9a\u5230\u7279\u5b9a\u7684 NIC<code>0.0.0.0<\/code>\u6211\u4eec\u5168\u90e8\u63a5\u53d7\u3002<\/li><li class=\"\"><strong>tls\u76d1\u542c\u7aef\u53e3\uff1a<\/strong> \u8fd9\u662f\u7528\u4e8e\u76d1\u542c TLS (TURNS) \u7684 TCP \u7aef\u53e3\u53f7\u3002\u901a\u5e38\u6307\u5b9a 443 \u6216 5349\u3002\u4f8b\u5982\uff1a <code>tls\u76d1\u542c\u7aef\u53e3=443<\/code>\u3002<\/li><li class=\"\"><strong>\u5916\u90e8IP\u5730\u5740\uff1a<\/strong> \u5982\u679c\u670d\u52a1\u5668\u672c\u8eab\u4f4d\u4e8e NAT \u4e4b\u540e\uff0c\u8bf7\u6307\u5b9a\u5176\u81ea\u8eab\u7684\u5168\u5c40 IP\uff08\u8fd9\u5141\u8bb8\u670d\u52a1\u5668\u8bc6\u522b\u5185\u90e8 IP \u548c\u5916\u90e8 IP \u4e4b\u95f4\u7684\u6620\u5c04\uff09\u3002\u5982\u679c\u670d\u52a1\u5668\u62e5\u6709\u76f4\u63a5\u7684\u5168\u5c40 IP\uff0c\u5219\u65e0\u9700\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/li><li class=\"\"><strong>\u8eab\u4efd\u9a8c\u8bc1\u65b9\u6cd5\uff1a<\/strong> WebRTC \u4f7f\u7528\u957f\u671f\u51ed\u8bc1\u8fdb\u884c TURN\uff0c\u56e0\u6b64<code>lt-cred-mech<\/code>\uff08\u957f\u671f\u51ed\u8bc1\u673a\u5236\uff09\u5df2\u542f\u7528\u3002<code>\u7528\u6237=\u7528\u6237\u540d:\u5bc6\u7801<\/code>\u6216\u8005\u4ee5\u4ee5\u4e0b\u683c\u5f0f\u8bbe\u7f6e\u7528\u6237\u540d\u548c\u5bc6\u7801<code>\u4f7f\u7528\u6388\u6743\u79d8\u5bc6<\/code>\uff08\u540e\u8005\u662f\u57fa\u4e8etoken\u7684\u8ba4\u8bc1\uff0c\u5bf9\u4e8e\u63d0\u9ad8\u5b89\u5168\u6027\u6bd4\u8f83\u6709\u6548\uff0c\u4e0d\u8fc7\u8fd9\u91cc\u6211\u4eec\u4ee5\u7b80\u5355\u7684\u9759\u6001\u7528\u6237\u8ba4\u8bc1\u4e3a\u4f8b\uff09<\/li><li class=\"\"><strong>\u65e5\u5fd7\u8bbe\u7f6e\uff1a<\/strong> \u7528\u4e8e\u6545\u969c\u6392\u9664<code>\u65e5\u5fd7\u6863\u6848<\/code>\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u8def\u5f84<code>\u5197\u957f\u7684<\/code>\u60a8\u53ef\u80fd\u60f3\u8981\u542f\u7528\u8be6\u7ec6\u65e5\u5fd7\u8bb0\u5f55\u3002<\/li><\/ul>\n\n\n\n<h4><strong>\u9632\u706b\u5899\u8bbe\u7f6e<\/strong><\/h4>\n\n\n\n<p>\u5728\u670d\u52a1\u5668\u7aef\uff0c\u7528\u4e8e STUN\/TURN<strong>UDP \u7aef\u53e3 3478<\/strong>\u4ee5\u53ca TURN\/TLS<strong>TCP \u7aef\u53e3 443<\/strong>\uff08\u6216 5349\uff09\u5fc5\u987b\u6253\u5f00\u3002\u6b64\u5916\uff0cTURN \u4e2d\u7ee7\u9ed8\u8ba4\u4f7f\u7528 UDP \u7aef\u53e3\u8303\u56f4 10000-20000\uff0c\u56e0\u6b64\u4e5f\u8bf7\u5728\u670d\u52a1\u5668\u4e0a\u6253\u5f00\u6b64\u7aef\u53e3\u8303\u56f4\uff08\u5982\u6709\u5fc5\u8981\uff0c<code>\u6700\u5c0f\u7aef\u53e3<\/code>\u548c<code>\u6700\u5927\u7aef\u53e3<\/code>\uff08\u8303\u56f4\u53ef\u4ee5\u901a\u8fc7<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u53cd\u6620\u4e0a\u8ff0\u57fa\u672c\u8bbe\u7f6e\u7684\u793a\u4f8b\u3002<code>\/etc\/turnserver.conf<\/code>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\" data-no-translation=\"\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code># TURN\u30b5\u30fc\u30d0\u306e\u540d\u79f0\u3068\u30ec\u30eb\u30e0\uff08\u30c9\u30e1\u30a4\u30f3\uff09\nrealm=example.com\nserver-name=example.com\n\n# \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\nlistening-ip=0.0.0.0           # \u3059\u3079\u3066\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u5f85\u53d7\nexternal-ip=203.0.113.10       # \u30b5\u30fc\u30d0\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\uff08\u5fc5\u8981\u306a\u5834\u5408\uff09\n\n# \u30dd\u30fc\u30c8\u8a2d\u5b9a\nlistening-port=3478            # STUN\/TURN\u7528 UDP\u30dd\u30fc\u30c8\ntls-listening-port=443         # TLS\u7528 TCP\u30dd\u30fc\u30c8 (443\u756a)\nmin-port=10000                 # \u4e2d\u7d99\u306b\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u7bc4\u56f2\uff08\u4e0b\u9650\uff09\nmax-port=20000                 # \u4e2d\u7d99\u306b\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u7bc4\u56f2\uff08\u4e0a\u9650\uff09\n\n# \u30ed\u30b0\u8a2d\u5b9a\nlog-file=\/var\/log\/turnserver.log\nverbose                        # \u8a73\u7d30\u30ed\u30b0\u3092\u6709\u52b9\u5316\nfingerprint                    # \u30d1\u30b1\u30c3\u30c8\u306bfingerprint\u5c5e\u6027\u3092\u4ed8\u4e0e\n\n# \u8a8d\u8a3c\u8a2d\u5b9a\uff08\u9577\u671f\u8a8d\u8a3c\u65b9\u5f0f\uff09\nlt-cred-mech                   # \u9577\u671f\u8a8d\u8a3c\u3092\u6709\u52b9\u5316\nuser=webrtcuser:secretpass123  # \u30e6\u30fc\u30b6\u540d:\u30d1\u30b9\u30ef\u30fc\u30c9 \u3092\u8a2d\u5b9a\n\n# TLS\/SSL\u8a3c\u660e\u66f8\u306e\u6307\u5b9a\ncert=\/etc\/letsencrypt\/live\/example.com\/fullchain.pem   # \u30b5\u30fc\u30d0\u8a3c\u660e\u66f8\npkey=\/etc\/letsencrypt\/live\/example.com\/privkey.pem     # \u79d8\u5bc6\u9375<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u6587\u4e2d\uff0c\u57df<code>example.com<\/code>\u6211\u4eec\u83b7\u5f97 Let&#039;s Encrypt \u8bc1\u4e66\u5e76\u5c06\u5176\u7528\u4e8e TLS \u8bbe\u7f6e\u3002<code>lt-cred-mech<\/code>\u542f\u7528\u957f\u671f\u8eab\u4efd\u9a8c\u8bc1<code>\u7528\u6237<\/code>\u8fd9\u5c06\u8bbe\u7f6e\u7b80\u5355\u7684\u7528\u6237\u540d\/\u5bc6\u7801\u9a8c\u8bc1\u3002<code>\u4f7f\u7528\u6388\u6743\u79d8\u5bc6<\/code>\u548c<code>\u9759\u6001\u8ba4\u8bc1\u79d8\u5bc6<\/code>\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u57fa\u4e8e\u4ee4\u724c\u7684\u65b9\u6cd5\u6765\u9881\u53d1\u4e34\u65f6\u51ed\u8bc1\uff0c\u4f46\u6211\u4eec\u5728\u8fd9\u91cc\u4e0d\u8ba8\u8bba\u8fd9\u4e2a\u3002<\/p>\n\n\n\n<h4><strong>\u4f7f\u7528 TLS \u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/h4>\n\n\n\n<p>\u5728 443 \u7aef\u53e3\u4e0a\u8fd0\u884c coturn \u65f6\uff0c\u9700\u8981\u6ce8\u610f Linux \u73af\u5883\u4e2d\u7684\u7aef\u53e3\u6743\u9650\u30021024 \u4ee5\u4e0b\u7684\u7aef\u53e3\u79f0\u4e3a\u7279\u6743\u7aef\u53e3\uff0c\u901a\u5e38\u9700\u8981 root \u6743\u9650\u624d\u80fd\u6253\u5f00\u3002Ubuntu coturn \u8f6f\u4ef6\u5305\u9ed8\u8ba4\u4e3a<code>\u8f6c\u5f2f\u670d\u52a1\u5668<\/code>\u56e0\u4e3a\u5b83\u662f\u7531\u7528\u6237\u6267\u884c\u7684\uff0c\u6240\u4ee5\u5b83\u4e0d\u80fd\u6309\u539f\u6837\u7ed1\u5b9a\u5230\u7aef\u53e3 443\u3002<code>\/etc\/\u9ed8\u8ba4\/coturn<\/code>\u5c06\u8fd0\u884c\u7528\u6237\u66f4\u6539\u4e3a root\uff0c\u6216\u8005<code>\u8bbe\u7f6e\u4e0a\u9650<\/code>\u4f7f\u7528\u547d\u4ee4<code>\u8f6c\u5f2f\u670d\u52a1\u5668<\/code>\u5230\u53ef\u6267\u884c\u6587\u4ef6<code>cap_net_bind_service<\/code>\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6388\u4e88\u6743\u9650\u3002\u4f8b\u5982\uff0c\u5728\u540e\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c<code>sudo setcap cap_net_bind_service=+ep \/usr\/bin\/turnserver<\/code>\u901a\u8fc7\u6267\u884c\u6b64\u547d\u4ee4\uff0c\u5373\u4f7f\u975e root \u7528\u6237\u4e5f\u80fd\u7ed1\u5b9a\u4f4e\u7f16\u53f7\u7aef\u53e3\u3002\u6b64\u5916\uff0c\u8bf7\u6307\u5b9a\u8bc1\u4e66\u6587\u4ef6 (cert\/pkey) \u7684\u6b63\u786e\u8def\u5f84\uff0c\u5e76\u8bbe\u7f6e\u6587\u4ef6\u6743\u9650\uff0c\u4ee5\u4fbf coturn \u7528\u6237\u53ef\u4ee5\u8bfb\u53d6\u8be5\u6587\u4ef6\u3002\u66f4\u6539\u8bbe\u7f6e\u540e\uff0c<code>sudo systemctl \u91cd\u542f coturn<\/code>\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u5e76\u68c0\u67e5\u65e5\u5fd7\u662f\u5426\u6709\u4efb\u4f55\u9519\u8bef\u3002<\/p>\n\n\n\n<h4><strong>\u64cd\u4f5c\u68c0\u67e5<\/strong><\/h4>\n\n\n\n<p>\u542f\u52a8 coturn \u670d\u52a1\u5668\u540e\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 STUN \u5ba2\u6237\u7aef\u5bf9\u5176\u8fdb\u884c\u6d4b\u8bd5\u4ee5\u68c0\u67e5\u5176\u8fd0\u884c\u60c5\u51b5\uff0c\u5e76\u5c1d\u8bd5\u4ece\u6d4f\u89c8\u5668\u4e2d\u7684 WebRTC \u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230 ICE\u3002<code>\u51fb\u6655\u5ba2\u6237\u7aef<\/code>\u547d\u4ee4\uff08<code>apt-get \u5b89\u88c5 stun-client<\/code>\uff08\u53ef\u5b89\u88c5\u4e8e<code>stunclient &lt;\u670d\u52a1\u5668 IP&gt; 3478<\/code>\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u83b7\u53d6\u5916\u90e8 IP\u3002\u6b64\u5916\uff0c\u5728\u60a8\u7684\u6d4f\u89c8\u5668\u4e2d\uff0cICE \u5019\u9009\u5730\u5740\u5c06\u5217\u5728\u5f00\u53d1\u8005\u5de5\u5177\u65e5\u5fd7\u4e2d\uff0c\u56e0\u6b64<code>srflx<\/code>\uff08\u670d\u52a1\u5668\u53cd\u8eab\uff09\u5019\u9009\u4eba\u548c<code>\u4e2d\u7ee7<\/code>\u68c0\u67e5\u662f\u5426\u627e\u5230\u5019\u9009\u3002\u5982\u679c\u6ca1\u6709\uff0c\u8bf7\u5c1d\u8bd5\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n\n\n\n<ul><li class=\"\">\u670d\u52a1\u5668\u7684\u9632\u706b\u5899\u8bbe\u7f6e\uff08iptables \u6216\u4e91\u5b89\u5168\u7ec4\uff09\u4e2d\u662f\u5426\u6253\u5f00\u4e86\u5fc5\u8981\u7684\u7aef\u53e3\uff1f<\/li><li class=\"\">\u5ba2\u6237\u7aef ICE \u670d\u52a1\u5668\u8bbe\u7f6e\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u4e2d\u662f\u5426\u8bbe\u7f6e\u4e86\u6b63\u786e\u7684 URI\u3001\u7aef\u53e3\u548c\u8eab\u4efd\u9a8c\u8bc1\u4fe1\u606f\uff1f<\/li><li class=\"\"><code>turnserver.conf<\/code>\u8d77\u6765<code>\u9886\u57df<\/code>\u786e\u4fdd\u8bbe\u7f6e\u4e0e\u5ba2\u6237\u7aef\u8eab\u4efd\u9a8c\u8bc1\u4e00\u81f4\u3002\uff08\u8fd9\u5728\u6d4f\u89c8\u5668\u7248\u672c\u7684 WebRTC \u4e2d\u901a\u5e38\u4e0d\u662f\u95ee\u9898\uff0c\u56e0\u4e3a\u9886\u57df\u662f\u81ea\u52a8\u5206\u914d\u7684\u3002\u4f46\u5982\u679c\u60a8\u6709\u81ea\u5b9a\u4e49\u5b9e\u73b0\uff0c\u5219\u9700\u8981\u5c0f\u5fc3\u3002\uff09<\/li><li class=\"\">\u5faa\u73af\u65e5\u5fd7 (<code>\/var\/log\/turnserver.log<\/code>) \u5e76\u68c0\u67e5\u662f\u5426\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u9519\u8bef (<code>\u9519\u8bef\u7528\u6237<\/code>\u5982\u679c\u51fa\u73b0\u5982\u4e0a\u9519\u8bef\uff0c\u5219\u8868\u793a\u7528\u6237\u540d\/\u5bc6\u7801\u4e0d\u5339\u914d\u3002<\/li><\/ul>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u8ff0\u8bbe\u7f6e\uff0c\u60a8\u5c06\u62e5\u6709\u81ea\u5df1\u7684 STUN\/TURN\/TURNS \u670d\u52a1\u5668\u8fd0\u884c\uff0c\u5e76\u80fd\u591f\u5728\u5404\u79cd\u7f51\u7edc\u73af\u5883\u4e2d\u652f\u6301 WebRTC \u8fde\u63a5\u3002<\/p>\n\n\n\n<h2>WebRTC \u5ba2\u6237\u7aef ICE \u670d\u52a1\u5668\u8bbe\u7f6e\u793a\u4f8b\uff08JavaScript\uff09<\/h2>\n\n\n\n<p>\u8981\u5b9e\u9645\u4f7f\u7528\u6211\u4eec\u521a\u521a\u5728 WebRTC \u5e94\u7528\u7a0b\u5e8f\uff08\u6d4f\u89c8\u5668\uff09\u4e0a\u6784\u5efa\u7684 STUN\/TURN \u670d\u52a1\u5668\uff0c<strong>ICE\u670d\u52a1\u5668\u8bbe\u7f6e<\/strong>\u5728 JavaScript \u7684 WebRTC API \u4e2d\uff0c<code>RTCPeerConnection<\/code>\u60a8\u53ef\u4ee5\u5728\u751f\u6210\u65f6\u6307\u5b9a STUN\/TURN \u670d\u52a1\u5668\u5217\u8868\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5c55\u793a\u4e00\u4e2a\u6307\u5b9a\u6240\u6709 STUN\/TURN\/TURNS \u670d\u52a1\u5668\u7684\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\uff0c\u5e76\u89e3\u91ca\u5176\u542b\u4e49\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u4e3a ICE \u670d\u52a1\u5668\u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u5bf9\u8c61\u3002\u8f93\u5165\u670d\u52a1\u5668\u7684\u57df\u540d\u3002<code>turn.example.com<\/code>\uff08\u6839\u636e\u60c5\u51b5\u66ff\u6362\uff09\u3002STUN \u4e0d\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\uff0c\u56e0\u6b64\u53ea\u9700\u6307\u5b9a URI\u3002TURN\/TURNS \u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\uff0c\u56e0\u6b64\u8fd8\u9700\u8981\u6307\u5b9a\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\" data-no-translation=\"\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>const iceConfig = {\n  iceServers: [\n    \/\/ 1. STUN\u30b5\u30fc\u30d0\uff08UDP\/3478\uff09\n    { urls: &#39;stun:turn.example.com:3478&#39; },\n    \/\/ 2. TURN\u30b5\u30fc\u30d0\uff08UDP\/443\u7d4c\u7531\uff09\n    { urls: &#39;turn:turn.example.com:443?transport=udp&#39;, username: &#39;webrtcuser&#39;, credential: &#39;secretpass123&#39; },\n    \/\/ 3. TURN\u30b5\u30fc\u30d0\uff08TCP\/443 + TLS = TURNS\uff09\n    { urls: &#39;turns:turn.example.com:443&#39;, username: &#39;webrtcuser&#39;, credential: &#39;secretpass123&#39; }\n  ]\n};\nconst pc = new RTCPeerConnection(iceConfig);<\/code><\/pre><\/div>\n\n\n\n<p>\u4ee5\u4e0a<code>\u51b0\u670d\u52a1\u5668<\/code>\u8be5\u6570\u7ec4\u6709\u4e09\u4e2a\u6761\u76ee\u3002<\/p>\n\n\n\n<ol><li class=\"\"><strong>\u7729\u6655\uff1a<\/strong> <code>stun\uff1aturn.example.com\uff1a3478<\/code><br>\u6307\u5b9a\u60a8\u81ea\u5df1\u7684 STUN \u670d\u52a1\u5668\u5730\u5740\uff08\u5982\u679c\u7701\u7565\u7aef\u53e3\uff0c\u5219\u4f7f\u7528 3478\uff09\u3002STUN \u7528\u4e8e\u5224\u65ad NAT \u7a7f\u900f\u5e76\u83b7\u53d6\u5019\u9009\u5730\u5740\u3002\u6d4f\u89c8\u5668\u9996\u5148\u901a\u8fc7 UDP \u67e5\u8be2\u6b64\u670d\u52a1\u5668\u4ee5\u83b7\u53d6\u670d\u52a1\u5668\u53cd\u5c04\u5019\u9009\u5730\u5740\u3002<\/li><li class=\"\"><strong>TURN\uff08UDP\uff09\uff1a<\/strong> <code>turn:turn.example.com:443?transport=udp<\/code><br>\u521b\u5efa\u60a8\u81ea\u5df1\u7684 TURN \u670d\u52a1\u5668<strong>UDP \u7aef\u53e3 443<\/strong>\u8fd9\u662f\u8981\u4f7f\u7528\u7684\u8bbe\u7f6e\u3002\u4e4b\u524d\u5728coturn\u4e2d\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u4f5c\u4e3a\u8ba4\u8bc1\u4fe1\u606f<code>webrtcuser<\/code>\u548c\u5bc6\u7801<code>secretpass123<\/code>\u67e5\u8be2\u53c2\u6570\u5df2\u6307\u5b9a\u3002<code>\uff1f\u4f20\u8f93=udp<\/code>\uff08\u5982\u679c\u672a\u6307\u5b9a\uff0c\u6d4f\u89c8\u5668\u5c06\u9996\u5148\u5c1d\u8bd5 UDP\uff0c\u5982\u679c\u5931\u8d25\uff0c\u5219\u518d\u5c1d\u8bd5 TCP\u3002\uff09\u901a\u8fc7\u6b64\u8bbe\u7f6e\uff0c\u5373\u4f7f\u4f7f\u7528\u666e\u901a STUN \u7684\u76f4\u63a5\u8fde\u63a5\u5931\u8d25\uff0c\u60a8\u4e5f\u53ef\u4ee5\u83b7\u5f97\u5728 UDP \u7aef\u53e3 443 \u4e0a\u8fdb\u884c TURN \u4e2d\u7ee7\u7684\u5019\u9009\u3002<\/li><li class=\"\"><strong>TURN\uff08TLS\/TCP\uff09\uff1a<\/strong> <code>\u8f6c\u5f2f\uff1aturn.example.com\uff1a443<\/code><br><strong>\u4f7f\u7528 TLS \u7684 TURN<\/strong>\u8fd9\u662f TURNS \u670d\u52a1\u5668\u7684\u8bbe\u7f6e\u3002\u7528\u6237\u540d\u548c\u5bc6\u7801\u4e5f\u5728\u6b64\u5904\u6307\u5b9a\u3002\u6d4f\u89c8\u5668\u5c06\u5728 TCP \u7aef\u53e3 443 \u4e0a\u4e0e\u6b64\u6761\u76ee\u5efa\u7acb TLS \u8fde\u63a5\uff0c\u4ee5\u83b7\u53d6 TURN \u4e2d\u7ee7\u5019\u9009\u3002\u8fd9\u662f\u6700\u540e\u7684\u4e2d\u7ee7\u5019\u9009\uff0c\u5373\u4f7f\u5b8c\u5168\u65e0\u6cd5\u901a\u8fc7 UDP \u901a\u4fe1\uff0c\u4e5f\u6709\u53ef\u80fd\u5efa\u7acb\u901a\u4fe1\u3002<\/li><\/ol>\n\n\n\n<p><code>RTCPeerConnection<\/code>\u5f53 ICE \u4ee3\u7406\u751f\u6210 ICE \u670d\u52a1\u5668\u65f6\uff0c\u5b83\u4f1a\u6309\u987a\u5e8f\u5c1d\u8bd5\u8fde\u63a5\u5230\u6307\u5b9a\u7684 ICE \u670d\u52a1\u5668\u5e76\u6536\u96c6\u5019\u9009\u670d\u52a1\u5668\u3002ICE \u4ee3\u7406\u9996\u5148\u83b7\u53d6 STUN \u5019\u9009\u670d\u52a1\u5668\uff08srflx\uff09\uff0c\u7136\u540e\u5e76\u884c\u83b7\u53d6 TURN \u5019\u9009\u670d\u52a1\u5668\uff08relay\uff09\u3002\u7136\u540e\uff0cICE \u7b97\u6cd5\u4f1a\u5408\u5e76\u8fd9\u4e9b\u5019\u9009\u670d\u52a1\u5668\uff0c\u6267\u884c\u8fde\u63a5\u68c0\u67e5\u5e76\u9009\u62e9\u6700\u4f73\u8def\u7531\u3002\u5f00\u53d1\u4eba\u5458\u65e0\u9700\u4e86\u89e3\u4efb\u4f55\u5176\u4ed6\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p><strong>\u89c2\u70b9\uff1a<\/strong> \u5982\u4e0a\u6240\u8ff0<strong>\u51c6\u5907\u591a\u540d\u5019\u9009\u4eba<\/strong>\u5f88\u91cd\u8981\u3002\u4f8b\u5982\uff0c<code>\u7729\u6655\uff1a<\/code>\u5982\u679c\u4ec5\u6307\u5b9a TURN (UDP)\uff0c\u5219\u5728 UDP \u88ab\u963b\u6b62\u7684\u73af\u5883\u4e2d\u5c06\u627e\u4e0d\u5230\u4efb\u4f55\u5019\u9009\uff0c\u8fde\u63a5\u5c06\u5931\u8d25\u3002\u540c\u6837\uff0c\u5982\u679c\u4ec5\u6307\u5b9a TURN (UDP)\uff0c\u5219\u5728\u4ec5\u5141\u8bb8 TCP \u7684\u73af\u5883\u4e2d\u8fde\u63a5\u4e5f\u5c06\u5931\u8d25\u3002\u56e0\u6b64\uff0c\u5982\u679c\u53ef\u80fd\uff0c<code>\u8f6c\u52a8\uff1a<\/code>\u548c<code>\u8f6c\u5f2f\uff1a<\/code>\u901a\u8fc7\u5728 ICE \u670d\u52a1\u5668\u4e2d\u540c\u65f6\u5305\u542b\u8fd9\u4e24\u79cd\u534f\u8bae\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5197\u4f59\uff0c\u4ee5\u4fbf\u5728\u4efb\u4f55\u73af\u5883\u4e2d\u90fd\u80fd\u627e\u5230\u81f3\u5c11\u4e00\u4e2a\u6709\u6548\u7684\u5019\u9009\u8def\u5f84\uff08\u5f53\u7136\uff0cTURN \u670d\u52a1\u5668\u5fc5\u987b\u540c\u65f6\u652f\u6301 UDP \u548c TCP\/TLS\uff09\u3002\u5ba2\u6237\u7aef\uff08\u6d4f\u89c8\u5668\uff09\u4f1a\u81ea\u52a8\u9009\u62e9\u4e00\u6761\u53ef\u7528\u7684\u8def\u5f84\uff0c\u56e0\u6b64\u5217\u8868\u7684\u987a\u5e8f\u5e76\u4e0d\u662f\u4ec0\u4e48\u5927\u95ee\u9898\u3002\u5982\u679c\u975e\u8981\u6211\u8bf4\uff0c<code>\u51b0\u8fd0\u8f93\u653f\u7b56<\/code>\u8868\u793a\u6e34\u671b\u3001\u559c\u6b22\u3001\u618e\u6068\u7b49\u7684\u5bf9\u8c61\u3002<code>\u4e2d\u7ee7<\/code>\u9664\u975e\u60a8\u6307\u5b9a\u6b64\u9879\uff0c\u5426\u5219\u6d4f\u89c8\u5668\u5c06\u4f18\u5148\u8003\u8651\u76f4\u63a5\u8fde\u63a5\uff0c\u56e0\u6b64\u5982\u679c\u60a8\u8f93\u5165 STUN \u6761\u76ee\uff0c\u5219\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u5730\u4f7f\u7528 TURN \u670d\u52a1\u5668\u3002\u6b64\u5916\uff0c\u5982\u679c\u5728 ICE \u670d\u52a1\u5668\u5217\u8868\u4e2d\u8f93\u5165\u4e86\u4e0d\u76f8\u5173\u7684\u670d\u52a1\u5668\uff08\u4f8b\u5982\u4e0d\u5b58\u5728\u7684\u5730\u5740\uff09\uff0c\u5219\u53ef\u80fd\u4f1a\u56e0\u7b49\u5f85\u8d85\u65f6\u800c\u5bfc\u81f4\u5ef6\u8fdf\uff0c\u56e0\u6b64\u6700\u597d\u53ea\u8f93\u5165\u90a3\u4e9b\u786e\u5b9e\u53ef\u7528\u7684\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u8ba9\u6211\u4eec\u8fd0\u884c\u5e94\u7528\u6b64\u8bbe\u7f6e\u7684 WebRTC \u5e94\u7528\u7a0b\u5e8f\u5e76\u9a8c\u8bc1\u8fde\u63a5\u72b6\u6001\u3002<code>peerConnection.getStats()<\/code>\u6216\u8005<code>chrome:\/\/webrtc-internals<\/code>\u60a8\u53ef\u4ee5\u4f7f\u7528 Chrome \u67e5\u770b ICE \u5019\u9009\u7248\u672c\u548c\u8fde\u63a5\u72b6\u6001\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u5728 UDP \u53ef\u7528\u7684\u73af\u5883\u4e2d\uff0c\u5b83\u5e94\u8be5\u4f1a\u81ea\u52a8\u56de\u9000\u5230\u76f4\u63a5 (P2P) \u8fde\u63a5\uff1b\u5728 UDP \u4e0d\u53ef\u7528\u7684\u73af\u5883\u4e2d\uff0c\u5b83\u5e94\u8be5\u4f1a\u81ea\u52a8\u56de\u9000\u5230\u901a\u8fc7 TURN\/TLS \u7684\u8fde\u63a5\u3002<\/p>\n\n\n\n<h2>SFU \u548c TURN \u4e4b\u95f4\u7684\u533a\u522b<\/h2>\n\n\n\n<p>WebRTC \u4e2d\u7ee7\u5927\u81f4\u53ef\u4ee5\u5206\u4e3a\u201cTURN\u201d\u548c\u201cSFU\u201d\uff0c\u4f46\u5b83\u4eec\u7684\u89d2\u8272\u3001\u914d\u7f6e\u548c\u7528\u9014\u6709\u663e\u8457\u5dee\u5f02\u3002\u8fd9\u91cc\u6211\u4eec\u603b\u7ed3\u4e00\u4e0b\u6280\u672f\u4e0a\u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n<h3>TURN\uff1a\u4e2d\u7ee7\u4f5c\u4e3a\u70b9\u5bf9\u70b9\u7684\u66ff\u4ee3\u65b9\u6848<\/h3>\n\n\n\n<p>TURN\uff08\u4f7f\u7528\u4e2d\u7ee7\u7ed5\u8fc7 NAT\uff09\u662f\u4e00\u79cd\u8f85\u52a9\u4e2d\u7ee7\u670d\u52a1\u5668\uff0c\u7528\u4e8e\u65e0\u6cd5\u8fdb\u884c WebRTC P2P \u901a\u4fe1\u7684\u73af\u5883\u3002\u5f53 STUN \u56e0 NAT \u6216\u9632\u706b\u5899\u800c\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0cTURN \u670d\u52a1\u5668\u4f1a\u5728\u5bf9\u7b49\u4f53\u4e4b\u95f4\u8fd0\u884c\u5e76\u4e2d\u7ee7\u6570\u636e\u5305\u3002\u7531\u4e8e\u6bcf\u4e2a\u5bf9\u7b49\u4f53\u90fd\u5411\u6bcf\u4e2a\u901a\u4fe1\u4f19\u4f34\u5206\u522b\u53d1\u9001\u6d41\uff0c\u56e0\u6b64\u914d\u7f6e\u4e3a\u7f51\u72b6\u7ed3\u6784\uff0c\u800c TURN \u5219\u88ab\u5b9a\u4f4d\u4e3a\u201c\u66ff\u8865\u201d\u3002<\/p>\n\n\n\n<ul><li><strong>\u4f5c\u54c1<\/strong>\uff1a\u6bcf\u4e2a\u7528\u6237\u901a\u8fc7\u4e2d\u7ee7\uff08\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u7f51\u683c\uff09\u5411\u5176\u4ed6\u6bcf\u4e2a\u7528\u6237\u8fdb\u884c\u4f20\u8f93<\/li><li><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u4f4e\uff08\u4eba\u6570\u8d8a\u591a\uff0c\u8d1f\u8377\u8d8a\u9ad8\uff09<\/li><li><strong>\u64ad\u51fa\u5185\u5bb9<\/strong>\uff1a\u4ec5\u8fdb\u884c\u7b80\u5355\u7684\u6570\u636e\u5305\u4f20\u8f93\uff0c\u4e0d\u8fdb\u884c\u5a92\u4f53\u5206\u6790\u6216\u4f18\u5316<\/li><\/ul>\n\n\n\n<h3>SFU\uff1a\u9ad8\u6548\u4e2d\u7ee7\uff0c\u652f\u6301\u591a\u65b9\u901a\u8bdd<\/h3>\n\n\n\n<p>SFU\uff08\u9009\u62e9\u6027\u8f6c\u53d1\u5355\u5143\uff09\u662f\u7528\u4e8e\u591a\u53c2\u4e0e\u8005\u7f51\u7edc\u4f1a\u8bae\u7684\u667a\u80fd\u4e2d\u7ee7\u670d\u52a1\u5668\u3002<span class=\"swl-marker mark_blue\">\u6bcf\u4e2a\u5ba2\u6237\u7aef\u5411 SFU \u53d1\u9001\u4e00\u4e2a\u6d41\uff0cSFU \u6709\u9009\u62e9\u5730\u5c06\u5176\u8f6c\u53d1\u7ed9\u5176\u4ed6\u53c2\u4e0e\u8005\u3002<\/span>\u5b83\u8fd8\u6267\u884c\u626c\u58f0\u5668\u68c0\u6d4b\u3001\u56fe\u50cf\u8d28\u91cf\u8c03\u6574\u548c\u5ef6\u8fdf\u4f18\u5316\u7b49\u8fc7\u7a0b\uff0c\u5b9e\u73b0\u53ef\u6269\u5c55\u7684\u9ad8\u6027\u80fd\u5e7f\u64ad\u3002<\/p>\n\n\n\n<ul><li><strong>\u4f5c\u54c1<\/strong>\uff1a\u661f\u578b\uff0c\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u4e00\u4e2a SFU<\/li><li><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u6602\u8d35\uff08\u5373\u4f7f\u4eba\u6570\u589e\u52a0\u4e5f\u53ea\u80fd\u53d1\u9001\u4e00\u6b21\uff09<\/li><li><strong>\u64ad\u51fa\u5185\u5bb9<\/strong>\uff1a\u53ef\u4ee5\u63a7\u5236\u4f20\u8f93\u76ee\u7684\u5730\u548c\u5a92\u4f53\u4f18\u5316<\/li><\/ul>\n\n\n\n<h3>TURN \u4e0e SFU \u5bf9\u6bd4\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u7279\u5f81<\/th><th>\u8f6c\u52a8<\/th><th>\u897f\u8499\u5f17\u96f7\u6cfd\u5927\u5b66<\/th><\/tr><tr><td>\u76ee\u7684<\/td><td>\u65e0\u6cd5\u8fdb\u884c NAT \u7a7f\u8d8a\u65f6\u7684\u66ff\u4ee3\u65b9\u6848<\/td><td>\u591a\u4eba\u5b9e\u65f6\u6c9f\u901a<\/td><\/tr><tr><td>\u901a\u4fe1\u914d\u7f6e<\/td><td>\u7f51\u72b6\uff08\u76f8\u4e92\u4f20\u8f93\uff09<\/td><td>\u661f\u578b\uff08\u4e00\u6b21\u4f20\u8f93\uff09<\/td><\/tr><tr><td>\u4e2d\u7ee7\u529f\u80fd<\/td><td>\u7b80\u5355\u4e2d\u7ee7\uff08\u900f\u660e\uff09<\/td><td>\u53ef\u9009\u8f6c\u53d1\u548c\u4f18\u5316<\/td><\/tr><tr><td>\u53ef\u6269\u5c55\u6027<\/td><td>\u4f4e\u7684<\/td><td>\u6602\u8d35\u7684<\/td><\/tr><tr><td>\u5a92\u4f53\u63a7\u5236<\/td><td>\u6ca1\u6709\u4efb\u4f55<\/td><td>\u662f\uff08\u4f8b\u5982\u626c\u58f0\u5668\u68c0\u6d4b\u3001\u5206\u8fa8\u7387\u8c03\u6574\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>TURN \u53ea\u662f\u5728\u65e0\u6cd5\u8fdb\u884c P2P \u901a\u4fe1\u65f6\u7684\u6700\u540e\u624b\u6bb5\uff0c\u662f\u8865\u5145 P2P \u7f51\u683c\u7684\u4e2d\u7ee7\u3002<span class=\"swl-marker mark_blue\">SFU \u662f\u4e00\u79cd\u4e2d\u7ee7\u67b6\u6784\uff0c\u4ece\u4e00\u5f00\u59cb\u5c31\u88ab\u8bbe\u8ba1\u4e3a\u9ad8\u6548\u8fdb\u884c\u591a\u65b9\u901a\u8bdd\u3002<\/span>\u7531\u4e8e\u4e24\u8005\u7684\u4f5c\u7528\u6839\u672c\u4e0d\u540c\uff0c\u56e0\u6b64\u5728\u8bbe\u8ba1\u65f6\u4e0d\u8981\u6df7\u6dc6\u5b83\u4eec\u3002<\/p>\n\n\n\n<h2>\u6458\u8981<\/h2>\n\n\n\n<p>\u672c\u6587\u4e3a\u4e2d\u7ea7\u5230\u9ad8\u7ea7 WebRTC \u7528\u6237\u8be6\u7ec6\u8bb2\u89e3\u4e86 STUN\u3001TURN \u548c TURNS \u4e4b\u95f4\u7684\u6280\u672f\u533a\u522b\uff0c\u4ee5\u53ca\u4f55\u65f6\u4f7f\u7528\u5b83\u4eec\u3001\u5982\u4f55\u4f7f\u7528 coturn \u6784\u5efa\u670d\u52a1\u5668\u548c\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u53ca ICE \u5728\u6076\u52a3\u7f51\u7edc\u73af\u5883\u4e2d\u7684\u8868\u73b0\u3002<\/p>\n\n\n\n<p><strong>\u7729\u6655<\/strong>\u5b83\u91cd\u91cf\u8f7b\uff0c\u5e76\u652f\u6301\u5728 NAT \u73af\u5883\u4e2d\u76f4\u63a5\u901a\u4fe1\u3002<strong>\u8f6c\u52a8<\/strong>\u5728\u56f0\u96be\u60c5\u51b5\u4e0b\u63d0\u4f9b\u6c9f\u901a\u7684\u751f\u547d\u7ebf\uff1b<strong>\u8f6c\u5f2f<\/strong>\u901a\u8fc7\u7ed3\u5408\u8fd9\u4e9b\uff0c\u5373\u4f7f\u5728\u516c\u53f8\u5185\u90e8\u7b49\u7279\u6b8a\u73af\u5883\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528 WebRTC\u3002<\/p>\n\n\n\n<p>\u6bcf\u79cd\u65b9\u5f0f\u90fd\u6709\u5404\u81ea\u7684\u4f18\u7f3a\u70b9\uff0c\u56e0\u6b64\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5e94\u5c3d\u53ef\u80fd\u76f4\u63a5\u4f7f\u7528 STUN \u8fde\u63a5\uff0c\u4ec5\u5728\u7edd\u5bf9\u5fc5\u8981\u65f6\u4f7f\u7528 TURN \u4e2d\u7ee7\u3002\u5728\u5b9e\u9645\u7684 WebRTC \u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u901a\u8fc7\u5728 ICE \u670d\u52a1\u5668\u8bbe\u7f6e\u4e2d\u51c6\u5907\u672c\u6587\u4ecb\u7ecd\u7684\u591a\u6761\u8def\u7531\uff0c\u5e76\u5728\u670d\u52a1\u5668\u7aef\u6b63\u786e\u914d\u7f6e\u548c\u64cd\u4f5c coturn\uff0c\u5373\u53ef\u5728\u5404\u79cd\u7f51\u7edc\u73af\u5883\u4e2d\u63d0\u4f9b\u7a33\u5b9a\u7684\u5b9e\u65f6\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>WebRTC \u662f\u4e00\u4e2a\u7ed3\u5408\u4e86\u6d4f\u89c8\u5668 API \u548c\u7f51\u7edc\u6280\u672f\u7684\u590d\u6742\u9886\u57df\uff0c\u4f46\u4e86\u89e3 STUN\/TURN \u548c ICE \u7684\u5de5\u4f5c\u539f\u7406\u5bf9\u4e8e\u521b\u5efa\u53ef\u9760\u7684\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5e0c\u671b\u60a8\u80fd\u8fd0\u7528\u672c\u6587\u4e2d\u7684\u4fe1\u606f\uff0c\u5c1d\u8bd5\u514b\u670d\u60a8\u4ea7\u54c1\u4e2d\u7684 NAT \u7a7f\u8d8a\u96be\u9898\u3002\u8fd9\u6837\uff0c\u60a8\u7684\u7528\u6237\u5c31\u80fd\u5728\u4e0d\u77e5\u4e0d\u89c9\u4e2d\uff0c\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u540e\u53f0\u8fde\u63a5\u5904\u7406\uff0c\u4eab\u53d7\u987a\u7545\u7684\u901a\u4fe1\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>WebRTC\u3068\u306f WebRTC\uff08Web Real-Time Communication\uff09\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u540c\u58eb\u3067\u30ea\u30a2 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":11871,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[25,9,33],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/11859"}],"collection":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/comments?post=11859"}],"version-history":[{"count":8,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/11859\/revisions"}],"predecessor-version":[{"id":11868,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/11859\/revisions\/11868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/media\/11871"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/media?parent=11859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/categories?post=11859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/tags?post=11859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}