{"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_tw\/\u90e8\u843d\u683c\/webrtc-stun-\u8f49-sfu","title":{"rendered":"WebRTC\u4e2dSTUN\/TURN\/TURNS\/SFU\u7684\u5fb9\u5e95\u89e3\u8aaa\u8207\u5be6\u8e10"},"content":{"rendered":"<h2>\u4ec0\u9ebc\u662f WebRTC\uff1f<\/h2>\n\n\n\n<p>WebRTC\uff08Web \u5373\u6642\u901a\u8a0a\uff09\u662f\u4e00\u9805\u958b\u653e\u5f0f\u6280\u8853\uff0c\u53ef\u5728\u700f\u89bd\u5668\u4e4b\u9593\u5be6\u73fe\u5373\u6642\u8a9e\u97f3\u3001\u8996\u8a0a\u548c\u8cc7\u6599\u901a\u8a0a\u3002\u5b83\u662f\u4e00\u7a2e\u50c5\u4f7f\u7528 JavaScript API \u5373\u53ef\u5be6\u73fe P2P \u901a\u8a0a\u7684\u6a5f\u5236\uff0c\u7121\u9700\u984d\u5916\u7684\u63d2\u4ef6\u6216\u8edf\u9ad4\uff0c\u76ee\u524d\u6b63\u7531 Google \u7b49\u591a\u5bb6\u516c\u53f8\u9032\u884c\u6a19\u6e96\u5316\u3002<\/p>\n\n\n\n<p>WebRTC\u7531\u4e09\u500b\u4e3b\u8981\u5143\u4ef6\u7d44\u6210\uff1a<\/p>\n\n\n\n<ul><li><strong>\u53d6\u5f97\u7528\u6236\u5a92\u9ad4<\/strong>\uff1a\u5f9e\u651d\u5f71\u6a5f\u3001\u9ea5\u514b\u98a8\u7b49\u88dd\u7f6e\u53d6\u5f97\u97f3\u8a0a\u548c\u8996\u8a0a\u7684API\u3002<\/li><li><strong>RTCPeerConnection<\/strong>\uff1a\u7528\u65bc\u5efa\u7acb\u5c0d\u7b49\u9ad4\u4e4b\u9593\u7684\u901a\u8a0a\u4ee5\u53ca\u4ea4\u63db\u5a92\u9ad4\u548c\u8cc7\u6599\u7684\u6838\u5fc3 API\u3002<\/li><li><strong>RTC\u8cc7\u6599\u901a\u9053<\/strong>\uff1a\u8cc7\u6599\u901a\u9053\uff0c\u53ef\u7528\u65bc\u50b3\u9001\u6587\u4ef6\u3001\u804a\u5929\u7b49\u3002<\/li><\/ul>\n\n\n\n<p>\u9019\u4e9bAPI\u4f7f\u5f97\u8a31\u591a\u5373\u6642\u61c9\u7528\u7684\u958b\u767c\u6210\u70ba\u53ef\u80fd\uff0c\u4f8b\u5982\u8996\u8a0a\u901a\u8a71\u3001\u97f3\u8a0a\u6703\u8b70\u3001\u6a94\u6848\u5171\u4eab\u7b49\u3002\u7136\u800c\u5728\u5be6\u969b\u901a\u8a0a\u4e2d\uff0c\u5b58\u5728\u8457NAT\u7a7f\u8d8a\u548c\u9632\u706b\u7246\u7684\u554f\u984c\uff0c\u56e0\u6b64\u7406\u89e3\u548c\u5be6\u73feSTUN\/TURN\/TURNS\u7b49NAT\u7a7f\u8d8a\u6280\u8853\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n<h2>STUN\u3001TURN\u3001TURNS\u7684\u5340\u5225\u8207\u4f5c\u7528<\/h2>\n\n\n\n<p>\u8981\u5be6\u73fe\u7a69\u5b9a\u7684WebRTC\u9ede\u5c0d\u9ede\u9023\u63a5\uff0cNAT\u7a7f\u8d8a\u6a5f\u5236\u4e0d\u53ef\u6216\u7f3a\u3002\u672c\u6587\u5c07\u8a73\u7d30\u89e3\u8aaa\u4ee3\u8868\u6280\u8853STUN\u3001TURN\u3001TURNS\u7684\u6280\u8853\u5340\u5225\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u512a\u7f3a\u9ede\u3002<\/p>\n\n\n\n<p>STUN \u662f\u4e00\u7a2e\u4e3b\u8981\u7528\u65bc\u5728 NAT \u74b0\u5883\u4e2d\u5c0b\u627e\u5916\u90e8\u4f4d\u5740\u7684\u5354\u8b70\uff0c\u800c TURN \u662f\u4e00\u7a2e\u5728\u7121\u6cd5\u76f4\u63a5\u9023\u63a5\u6642\u5145\u7576\u4e2d\u7e7c\u4f3a\u670d\u5668\u7684\u5354\u5b9a\u3002\u53e6\u4e00\u65b9\u9762\uff0cTURNS \u4f7f\u7528 TLS \u52a0\u5bc6 TURN \u901a\u4fe1\uff0c\u4e26\u4f7f\u7528\u8207 HTTPS \u76f8\u540c\u7684\u9023\u63a5\u57e0\u865f\u78bc 443\uff0c\u5f9e\u800c\u53ef\u4ee5\u5728\u4f01\u696d\u7db2\u8def\u7b49\u56b4\u683c\u7684\u9632\u706b\u7246\u5f8c\u9032\u884c\u901a\u8a0a\u3002<\/p>\n\n\n\n<p>\u900f\u904e\u4e86\u89e3\u6bcf\u7a2e\u7279\u6027\u4e26\u9069\u7576\u4f7f\u7528\u5b83\u5011\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8 WebRTC \u901a\u8a0a\u7684\u6210\u529f\u7387\u548c\u54c1\u8cea\u3002<\/p>\n\n\n\n<h3>STUN\uff08UDP\uff09\u7684\u4f5c\u7528\u8207\u7279\u9ede<\/h3>\n\n\n\n<p>STUN\uff08NAT \u6703\u8a71\u904d\u6b77\u5be6\u7528\u7a0b\u5f0f\uff09\u662f\u4e00\u7a2e\u5141\u8a31\u5ba2\u6236\u7aef<strong>\u5916\u90e8 IP \u4f4d\u5740\u548c\u9023\u63a5\u57e0<\/strong>\u9019\u662f\u4e00\u500b\u7372\u53d6 PC IP \u4f4d\u5740\u7684\u7c21\u55ae\u5354\u5b9a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u53f0 PC \u4f4d\u65bc NAT \u5f8c\u9762\uff0c\u5b83\u4e0d\u77e5\u9053\u81ea\u5df1\u7684\u5168\u57df IP \u4f4d\u5740\uff0c\u4f46\u53ef\u4ee5\u900f\u904e\u67e5\u8a62 STUN \u4f3a\u670d\u5668\u4f86\u53d6\u5f97\u300c\u81ea\u5df1\u7684 IP \u4f4d\u5740\uff1a\u5f9e\u5916\u90e8\u770b\u5230\u7684\u9023\u63a5\u57e0\u300d\u3002<\/p>\n\n\n\n<p>STUN\u4f3a\u670d\u5668\u5c31\u50cf\u4e00\u9762\u93e1\u5b50\uff0c\u5c07\u6536\u5230\u7684\u8acb\u6c42\u7684\u4f86\u6e90\u8cc7\u8a0a\u539f\u5c01\u4e0d\u52d5\u5730\u56de\u50b3\u3002\u9019\u6a23\uff0c\u5ba2\u6236\u7aef\u5c31\u53ef\u4ee5\u77e5\u9053\u81ea\u5df1\u7684\u5168\u57dfIP\u4f4d\u5740\uff0c\u4ee5\u53caNAT\uff08Server Reflexive candidates\uff09\u6240\u6307\u6d3e\u7684\u9023\u63a5\u57e0\u865f\u78bc\u3002<\/p>\n\n\n\n<p>STUN \u901a\u8a0a\u901a\u5e38\u4f7f\u7528 UDP \u9032\u884c\uff0c\u9810\u8a2d\u9023\u63a5\u57e0\u70ba 3478\uff08UDP\/3478\uff09\u3002\u7531\u65bc STUN \u901a\u8a0a\u9700\u8981\u4f7f\u7528 UDP \u9032\u884c\u8f15\u91cf\u7d1a\u3001\u55ae\u6b21\u901a\u4fe1\uff0c\u56e0\u6b64\u958b\u92b7\u4f4e\u3001\u5ef6\u9072\u4f4e\uff0c\u5e7e\u4e4e\u4e0d\u6703\u7d66\u4f3a\u670d\u5668\u7aef\u5e36\u4f86\u4efb\u4f55\u8ca0\u64d4\u3002\u56e0\u6b64\uff0c\u5728\u5141\u8a31\u4f7f\u7528 UDP \u901a\u8a0a\u7684\u74b0\u5883\u4e2d\uff0c\u6703\u5148\u5617\u8a66\u4f7f\u7528 STUN \u9032\u884c NAT \u7a7f\u8d8a\u3002<\/p>\n\n\n\n<h4><strong>STUN\u4f7f\u7528\u5834\u666f<\/strong><\/h4>\n\n\n\n<p>\u5b83\u5728\u9700\u8981 NAT \u7a7f\u8d8a\u4f46 UDP \u901a\u8a0a\u672c\u8eab\u4e0d\u53d7\u963b\u65b7\u7684\u74b0\u5883\u4e2d\u975e\u5e38\u6709\u6548\uff0c\u4f8b\u5982\u5bb6\u5ead\u7db2\u8def\u548c\u884c\u52d5\u7dda\u8def\u3002\u5982\u679c STUN \u80fd\u5920\u53d6\u5f97\u5f7c\u6b64\u7684\u5916\u90e8 IP:\u7aef\u53e3\uff0c\u5247\u7528\u6236\u7aef\u53ef\u4ee5\u5efa\u7acb\u76f4\u63a5\uff08\u9ede\u5c0d\u9ede\uff09\u901a\u8a0a\u3002\u7531\u65bc\u901a\u8a0a\u8def\u5f91\u662f\u76f4\u63a5\u7684\uff0c\u56e0\u6b64\u5ef6\u9072\u66f4\u5c11\uff0c\u4e26\u4e14\u80fd\u5920\u4fdd\u6301\u8f03\u9ad8\u7684\u54c1\u8cea\u3002\u6b64\u5916\uff0c\u7531\u65bc\u4f3a\u670d\u5668\u50c5\u8ca0\u8cac IP \u8cc7\u8a0a\u7684\u4ea4\u63db\uff0c\u56e0\u6b64\u6210\u672c\u975e\u5e38\u4f4e\u3002\u4f8b\u5982\uff0c\u5728\u7dda\u4e0a\u904a\u6232\u6216\u8996\u8a0a\u901a\u8a71\u4e2d\uff0c\u5982\u679c\u96d9\u65b9\u88dd\u7f6e\u90fd\u8655\u65bc\u76f8\u5c0d\u958b\u653e\u7684 NAT \u4e2d\uff0c\u5247 STUN \u8db3\u4ee5\u5be6\u73fe\u9ede\u5c0d\u9ede\u9023\u7dda\u3002<\/p>\n\n\n\n<h4>STUN \u7684\u9650\u5236\u548c\u7f3a\u9ede<\/h4>\n\n\n\n<p>STUN \u53ea\u662f\u4e00\u7a2e\u300c\u5c0b\u627e\u81ea\u5df1\u7684\u5916\u90e8\u4f4d\u5740\u300d\u7684\u624b\u6bb5\uff0c\u6839\u64da NAT \u985e\u578b\u548c\u9632\u706b\u7246\u7684\u9650\u5236\uff0c\u55ae\u7368\u4f7f\u7528 STUN \u53ef\u80fd\u7121\u6cd5\u9023\u7dda\u3002\u5c24\u5176\u662f\u5728\u5c0d\u7a31\u578b NAT \u6216\u56b4\u683c\u7684\u9632\u706b\u7246\u74b0\u5883\u4e2d\uff0c\u4f86\u81ea\u5c0d\u65b9\u7684\u8cc7\u6599\u5305\u53ef\u80fd\u7121\u6cd5\u5230\u9054\u900f\u904e STUN \u53d6\u5f97\u7684\u4f4d\u5740\uff0c\u5c0e\u81f4\u7121\u6cd5\u901a\u8a0a\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0cUDP \u901a\u8a0a\u672c\u8eab\u53ef\u80fd\u5728\u4f01\u696d\u7db2\u8def\u4e2d\u88ab\u5c01\u9396\uff0c\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cSTUN \u8acb\u6c42\u7121\u6cd5\u5230\u9054\u88dd\u7f6e\u3002\u7c21\u800c\u8a00\u4e4b\uff0cSTUN \u662f\u4e00\u7a2e\u7528\u65bc\u78ba\u5b9a\u662f\u5426\u53ef\u4ee5\u9032\u884c\u76f4\u63a5\u901a\u8a0a\u7684\u6a5f\u5236\uff0c\u5728\u7269\u7406\u4e0a\u7121\u6cd5\u9032\u884c\u76f4\u63a5\u901a\u8a0a\u7684\u74b0\u5883\u4e2d\u4e0d\u8d77\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u5728 ICE\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u4e2d\u4f7f\u7528 STUN \u4f86\u7372\u53d6\u7b2c\u4e00\u968e\u6bb5\u7684\u5019\u9078\u9023\u63a5\uff0c\u4e26\u4e14\u5982\u679c STUN \u4e0d\u8db3\u4ee5\u6eff\u8db3\u9700\u6c42\uff0c\u5247\u6703\u56de\u9000\u5230 TURN\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u3002<\/p>\n\n\n\n<h3>TURN\uff08UDP\uff09\u7684\u4f5c\u7528\u8207\u7279\u9ede<\/h3>\n\n\n\n<p>TURN\uff08\u4f7f\u7528\u4e2d\u7e7c\u7e5e\u904e NAT\uff09\u662f\u4e00\u7a2e\u5728\u7121\u6cd5\u900f\u904e STUN \u76f4\u63a5\u901a\u8a0a\u6642\u5145\u7576\u4e2d\u7e7c\u7684\u5354\u5b9a\u3002 TURN \u4f3a\u670d\u5668\u53ef\u4f5c\u70ba\u901a\u8a0a\u5925\u4f34\u548c\u5c0d\u65b9\u4e4b\u9593\u53ef\u5168\u57df\u5b58\u53d6\u7684\u4e2d\u7e7c\u9ede\uff0c\u8ca0\u8cac\u8f49\u9001\u5c01\u5305\u3002\u7528\u6236\u7aef\u9023\u63a5\u5230 TURN \u4f3a\u670d\u5668\uff0c\u4e26\u53d6\u5f97\u4e00\u500b\u4e2d\u7e7c IP \u4f4d\u5740\u548c\u9023\u63a5\u57e0\uff08\u7a31\u70ba\u4e2d\u7e7c\u5019\u9078\uff09\u3002\u4e4b\u5f8c\uff0c\u900f\u904e\u8a72 TURN \u4f3a\u670d\u5668\u8207\u5c0d\u65b9\u9032\u884c\u5a92\u9ad4\u548c\u8cc7\u6599\u4ea4\u63db\u3002<\/p>\n\n\n\n<p>TURN \u901a\u5e38\u4e5f\u4f7f\u7528 UDP \u9032\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u53ea\u8981\u4f7f\u7528 UDP\uff0c\u5b83\u5c31\u80fd\u4ee5\u985e\u4f3c\u65bc\u76f4\u63a5\u901a\u4fe1\u7684\u65b9\u5f0f\u4e2d\u7e7c\u5a92\u9ad4\u8cc7\u6599\u5305\u3002\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0cTURN \u5354\u5b9a\u5728\u9023\u63a5\u57e0 3478\uff08UDP\uff09\u4e0a\u88ab\u63a5\u53d7\uff0c\u8207 STUN \u76f8\u540c\u3002\u5373\u4f7f UDP \u9023\u63a5\u57e0\u865f\u78bc\u53d7\u5230\u9632\u706b\u7246\u7b56\u7565\u7684\u9650\u5236\uff0cTURN \u4e5f\u53ef\u4ee5\u5728\u5141\u8a31\u7684\u9023\u63a5\u57e0\uff08\u4f8b\u5982 UDP\/443\uff09\u4e0a\u904b\u4f5c\u3002\u53ea\u8981\u4f7f\u7528 UDP\uff0c\u5c31\u80fd\u5be6\u73fe\u6bd4 TCP \u66f4\u9ad8\u5373\u6642\u6027\u7684\u4e2d\u7e7c\u3002<\/p>\n\n\n\n<h4>TURN \u4f7f\u7528\u5834\u666f<\/h4>\n\n\n\n<p>\u7576\u7121\u6cd5\u5efa\u7acb\u76f4\u63a5\u9023\u7dda\u6642\uff0cTURN \u81f3\u95dc\u91cd\u8981\u3002\u4f8b\u5982\uff0c<span class=\"swl-marker mark_blue\">\u7576\u4e00\u65b9\u6216\u96d9\u65b9\u90fd\u8655\u65bc\u56b4\u683c\u7684\u516c\u53f8\u9632\u706b\u7246\u4e4b\u5f8c\uff0c\u6216\u8005\u96d9\u65b9\u90fd\u5177\u6709\u5c0d\u7a31 NAT \u4e26\u4e14 UDP \u6253\u6d1e\u5931\u6557\u6642\uff0c\u5c31\u6703\u767c\u751f\u9019\u7a2e\u60c5\u6cc1\u3002<\/span>\u5728\u9019\u6a23\u7684\u74b0\u5883\u4e2d\uff0c\u5982\u679c\u4e0d\u900f\u904e TURN \u4f3a\u670d\u5668\u4e2d\u7e7c\uff0c\u5c31\u7121\u6cd5\u9032\u884c\u901a\u4fe1\uff0c\u56e0\u6b64 TURN \u662f\u4e00\u7a2e\u6700\u5f8c\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>WebRTC \u7684\u76ee\u6a19\u662f\u8b93\u6240\u6709\u5c0d\u7b49\u9ad4\u90fd\u80fd\u76f4\u63a5\u901a\u4fe1\uff0c\u4f46\u5373\u4f7f\u7121\u6cd5\u5be6\u73fe\uff0c\u901a\u4fe1\u672c\u8eab\u4e5f\u53ef\u4ee5\u900f\u904e\u56de\u9000\u5230 TURN \u7e7c\u7e8c\u9032\u884c\u3002\u5be6\u969b\u64cd\u4f5c\u4e2d\uff0c\u4e00\u822c\u7b56\u7565\u662f\u5148\u5617\u8a66\u4f7f\u7528 STUN \u76f4\u63a5\u9023\u63a5\uff0c\u53ea\u6709\u5728\u5931\u6557\u6642\u624d\u5207\u63db\u5230 TURN \u4e2d\u7e7c\u3002\u4f8b\u5982\uff0c\u5728\u5167\u90e8\u7db2\u8def\u4e0a\u7684\u8996\u8a0a\u6703\u8b70\u4e2d\uff0c\u5982\u679c\u96d9\u65b9\u7121\u6cd5\u76f4\u63a5\u901a\u4fe1\uff0c\u901a\u4fe1\u5c07\u81ea\u52d5\u5207\u63db\u5230\u900f\u904e TURN \u4f3a\u670d\u5668\u9032\u884c\u901a\u4fe1\uff0c\u8b93\u7528\u6236\u5728\u4e0d\u77e5\u4e0d\u89ba\u4e2d\u7e7c\u7e8c\u5c0d\u8a71\u3002<\/p>\n\n\n\n<h4><strong>TURN \u7684\u512a\u52e2<\/strong><\/h4>\n\n\n\n<p>\u6700\u5927\u7684\u512a\u52e2\u5728\u65bc\u53ef\u9760\u6027\u3002\u7121\u8ad6\u60a8\u8eab\u8655\u4f55\u7a2e NAT \u6216\u9632\u706b\u7246\u74b0\u5883\uff0c\u53ea\u8981\u80fd\u5920\u5efa\u7acb\u5f9e\u5ba2\u6236\u7aef\u5230 TURN \u4f3a\u670d\u5668\u7684\u901a\u4fe1\uff0c\u6700\u7d42\u5c31\u80fd\u5be6\u73fe\u9ede\u5c0d\u9ede\u901a\u8a0a\u3002\u6b64\u5916\uff0c\u7531\u65bc TURN \u5728\u5354\u5b9a\u4e0a\u662f\u5c0d STUN \u7684\u64f4\u5c55\uff0c\u56e0\u6b64\u55ae\u4e00\u4f3a\u670d\u5668\u5be6\u4f5c\uff08\u4f8b\u5982\u4e0b\u6587\u4ecb\u7d39\u7684 coturn\uff09\u53ef\u4ee5\u540c\u6642\u8655\u7406 STUN \u548c TURN \u8acb\u6c42\u3002\u4e00\u65e6\u5efa\u7acb\u9023\u63a5\uff0c\u5f8c\u7e8c\u5a92\u9ad4\u5c07\u4ee5\u4e32\u6d41\u7684\u5f62\u5f0f\u9032\u884c\u4e2d\u7e7c\uff0c\u56e0\u6b64\u5f9e\u7528\u6236\u7684\u89d2\u5ea6\u4f86\u770b\uff0c\u901a\u8a0a\u662f\u7121\u7e2b\u7684\uff0c\u9664\u4e86\u4e00\u4e9b\u5ef6\u9072\u3002<\/p>\n\n\n\n<h4><strong>TURN \u7684\u7f3a\u9ede<\/strong><\/h4>\n\n\n\n<p> \u5b83\u6700\u5927\u7684\u7f3a\u9ede\u662f\u8cc7\u6e90\u6d88\u8017\u548c\u5ef6\u9072\u3002\u4f7f\u7528 TURN\uff0c\u6240\u6709\u97f3\u8a0a\u548c\u8996\u8a0a\u8cc7\u6599\u90fd\u5fc5\u9808\u7d93\u904e\u4f3a\u670d\u5668\uff0c\u9019\u9700\u8981\u4f3a\u670d\u5668\u7aef\u9f90\u5927\u7684\u983b\u5bec\u548c\u8655\u7406\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u4e00\u5c0d\u4e00\u8996\u8a0a\u901a\u8a71\u7684\u55ae\u5411\u983b\u5bec\u70ba 1Mbps\uff0c\u90a3\u9ebc\u7c21\u55ae\u8a08\u7b97\u4e00\u4e0b\uff0c\u5982\u679c 1,000 \u500b\u7528\u6236\u540c\u6642\u4f7f\u7528\uff0c\u5247\u9700\u8981 1Gbps \u7684\u4e2d\u7e7c\u983b\u5bec\u3002\u9019\u4f7f\u5f97 TURN \u4f3a\u670d\u5668\u7684\u904b\u4f5c\u6210\u672c\u5f88\u9ad8\uff0c\u800c\u5927\u898f\u6a21\u670d\u52d9\u5247\u9700\u8981\u6e96\u5099\u548c\u64f4\u5c55\u591a\u500b TURN \u4e2d\u7e7c\u4f3a\u670d\u5668\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u901a\u8a0a\u8def\u5f91\u8d8a\u9577\uff0c\u5ef6\u9072\u8d8a\u5927\uff0c\u5c0e\u81f4\u6642\u9593\u6eef\u5f8c\uff0c\u8996\u8a0a\u548c\u97f3\u8a0a\u54c1\u8cea\u4e0b\u964d\u3002\u6b64\u5916\uff0c\u8207\u4f7f\u7528 STUN \u7684\u9ede\u5c0d\u9ede\u901a\u8a0a\u76f8\u6bd4\uff0c\u900f\u904e TURN \u9032\u884c\u7684\u901a\u8a0a\u4e26\u975e\u56b4\u683c\u610f\u7fa9\u4e0a\u7684\u9ede\u5c0d\u9ede\u901a\u4fe1\uff0c\u56e0\u6b64\u5728\u4fdd\u5bc6\u6027\u65b9\u9762\u7565\u905c\u4e00\u7c4c\uff08\u5118\u7ba1 TURN \u4f3a\u670d\u5668\u901a\u5e38\u50c5\u4e2d\u7e7c\u672a\u52a0\u5bc6\u7684 RTP\/\u8cc7\u6599\u5831\uff0c\u800c\u4e0d\u6703\u89e3\u91cb\u5176\u5167\u5bb9\uff09\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u4f86\u8aaa\uff0cTURN \u61c9\u50c5\u5728\u5fc5\u8981\u6642\u4f7f\u7528\u3002\u4e8b\u5be6\u4e0a\uff0c\u5927\u591a\u6578 WebRTC \u901a\u8a0a\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 STUN \u9023\u63a5\uff0cGoogle \u7d71\u8a08\u6578\u64da\u986f\u793a\uff0c\u7e3d\u5171\u7d04\u6709 861 \u500b TP3T \u547c\u53eb\u7121\u9700\u4e2d\u7e7c\uff08\u9ede\u5c0d\u9ede\uff09\u5373\u53ef\u5efa\u7acb\u3002\u53ea\u6709\u5176\u9918 141 \u500b TP3T \u9700\u8981 TURN\uff0c\u4f46\u5c0d\u65bc\u9019 141 \u500b TP3T \u4f86\u8aaa\uff0c\u64c1\u6709 TURN \u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n<h3>TURNS\uff08TLS over TCP\/443\uff09\u7684\u529f\u80fd\u8207\u7279\u9ede<\/h3>\n\n\n\n<p>TURNS \u662f\u300cTURN over TLS\u300d\u7684\u7e2e\u5beb\uff0c\u662f\u4e00\u7a2e\u4f7f\u7528 TURN \u5354\u5b9a\u548c TLS\uff08\u50b3\u8f38\u5c64\u5b89\u5168\u6027\uff09\u5c0d\u4e2d\u7e7c\u901a\u8a0a\u9032\u884c\u52a0\u5bc6\u7684\u5354\u5b9a\u3002<span class=\"swl-marker mark_blue\">TURN \u901a\u8a0a\u53d7 TLS (HTTPS) \u4fdd\u8b77<\/span>\u4e26\u4e14\u7d93\u5e38\u5728 TCP \u9023\u63a5\u57e0 443 \u4e0a\u63d0\u4f9b\u670d\u52d9\u3002<span class=\"swl-marker mark_blue\">\u9023\u63a5\u57e0 443 \u8207 HTTPS \u7684\u9023\u63a5\u57e0\u865f\u78bc\u76f8\u540c\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f15\u9b06\u7a7f\u904e\u4f01\u696d\u9632\u706b\u7246\uff0c\u4e26\u4e14\u6613\u65bc\u7e5e\u904e\u4ee3\u7406\u548c\u5be9\u67e5\u3002<\/span>\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u516c\u53f8\u5167\u90e8\u7db2\u8def\u53ef\u80fd\u53ea\u5141\u8a31\u5728\u9023\u63a5\u57e0 80 \u548c 443 \u4e0a\u9032\u884c\u5916\u90e8\u901a\u4fe1\uff0c\u4f46\u5373\u4f7f\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u5982\u679c TURN \u4f3a\u670d\u5668\u5728\u9023\u63a5\u57e0 443 \u4e0a\u4f7f\u7528 TLS \u901a\u4fe1\uff0c\u5247\u901a\u8a0a\u5f88\u6709\u53ef\u80fd\u901a\u904e\u3002\u6b64\u5916\uff0c\u7531\u65bc\u901a\u8a0a\u4f7f\u7528 TLS \u52a0\u5bc6\uff0c\u56e0\u6b64\u5b83\u5011\u662f\u5b89\u5168\u7684\uff0c\u7b2c\u4e09\u65b9\u96e3\u4ee5\u6514\u622a\u3002<\/p>\n\n\n\n<p>\u5728 WebRTC \u4e2d\uff0c\u8a2d\u5b9a<code>\u201curls\u201d\uff1a\u201cturns\uff1aturnsserver\uff1a443\u201d<\/code>\u5728 URI \u65b9\u6848\u4e2d\uff1a<code>\u8f49\u5f4e\uff1a<\/code>\u60a8\u53ef\u4ee5\u900f\u904e\u6307\u5b9a\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u7528\u6b64 TLS \u52a0\u5bc6\u7684 TURN \u4f3a\u670d\u5668<\/p>\n\n\n\n<h4>\u4f7f\u7528TURNS\u7684\u5834\u666f<\/h4>\n\n\n\n<p>TURNS \u5c0d\u65bc\u5728\u56b4\u683c\u9650\u5236\u7684\u74b0\u5883\u4e2d\uff08\u4f8b\u5982\u6240\u6709\u5176\u4ed6\u901a\u8a0a\u65b9\u5f0f\u90fd\u88ab\u963b\u6b62\u7684\u516c\u53f8\u7db2\u8def\uff09\u9032\u884c WebRTC \u901a\u8a0a\u975e\u5e38\u6709\u7528\u3002\u5373\u4f7f\u5728\u6240\u6709 UDP \u548c\u5e38\u898f TCP \u9023\u63a5\u57e0\u90fd\u88ab\u963b\u6b62\u7684\u74b0\u5883\u4e2d\uff0c\u4e5f\u6709\u8a31\u591a\u7b56\u7565\u5141\u8a31\u4ee5\u8207 HTTPS \u901a\u8a0a\u76f8\u540c\u7684\u65b9\u5f0f\u9032\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u5728 TLS \u9023\u63a5\u57e0 443 \u4e0a\u4f7f\u7528 TURN \u5be6\u969b\u4e0a\u662f\u6700\u5f8c\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>\u5b83\u4e5f\u7528\u65bc\u516c\u5171\u7121\u7dda\u5340\u57df\u7db2\u8def\u67d0\u4e9b\u9023\u63a5\u57e0\u95dc\u9589\u7684\u60c5\u6cc1\uff0c\u6216\u5ba2\u6236\u7aef\u53ea\u80fd\u9032\u884c TLS \u901a\u8a0a\u7684\u60c5\u6cc1\u3002<span class=\"swl-marker mark_blue\">\u9996\u5148\u662f UDP\uff0c\u5982\u679c\u4e0d\u8d77\u4f5c\u7528\u5247\u4f7f\u7528 TCP\uff0c\u5982\u679c\u4e0d\u8d77\u4f5c\u7528\u5247\u4f7f\u7528 TLS \u5230 443<\/span>\u300c\u5b83\u88ab\u5b9a\u4f4d\u70ba\u9010\u6b65\u56de\u843d\u7684\u6700\u5f8c\u968e\u6bb5\u3002<\/p>\n\n\n\n<h4>TURNS \u7684\u512a\u52e2<\/h4>\n\n\n\n<p>\u5176\u6700\u5927\u7684\u512a\u52e2\u5728\u65bc\u5176\u5f37\u5927\u7684\u9632\u706b\u7246\u9632\u79a6\u80fd\u529b\u3002 TLS \u52a0\u5bc6\u901a\u8a0a\u96e3\u4ee5\u8207\u5e38\u898f HTTPS \u5340\u5206\uff0c\u56e0\u6b64\u66f4\u5bb9\u6613\u901a\u904e\u56b4\u683c\u7684\u904e\u6ffe\u5668\u3002\u5c24\u5176\u662f\u7576\u516c\u53f8\u5f15\u5165\u7db2\u8def\u6703\u8b70\u7cfb\u7d71\u6642\uff0c\u9700\u8981\u5141\u8a31\u5f9e\u5167\u90e8\u7db2\u8def\u9032\u884c\u5916\u90e8\u9023\u63a5\uff0c\u4f46\u57fa\u65bc TCP\/443 \u7684 TLS \u901a\u8a0a\u66f4\u5bb9\u6613\u5728\u5b89\u5168\u7b56\u7565\u4e0b\u88ab\u63a5\u53d7\u3002\u6b64\u5916\uff0c\u7531\u65bc\u7d93\u904e\u52a0\u5bc6\uff0c\u56e0\u6b64\u53ef\u4ee5\u78ba\u4fdd\u8207\u4e2d\u7e7c\u4f3a\u670d\u5668\u672c\u8eab\u7684\u901a\u8a0a\u7684\u6a5f\u5bc6\u6027\uff08*\u4f46\u662f\uff0c\u5167\u5bb9\u672c\u8eab\uff0c\u4f8b\u5982\u8996\u983b\uff0c\u901a\u5e38\u5df2\u5728 WebRTC \u5c64\u52a0\u5bc6\uff09\u3002<\/p>\n\n\n\n<h4>TURNS \u7684\u7f3a\u9ede<\/h4>\n\n\n\n<p>\u6700\u5927\u7684\u7f3a\u9ede\u662f\u6027\u80fd\u640d\u5931\u3002\u9664\u4e86 TURN \u672c\u8eab\u7684\u5ef6\u9072\u548c\u8ca0\u8f09\u5916\uff0c\u9084\u6709 TLS \u548c TCP \u7684\u958b\u92b7\u3002 TCP \u662f\u4e00\u7a2e\u53ef\u9760\u7684\u50b3\u8f38\u65b9\u5f0f\uff0c\u4e26\u4e14\u5728\u767c\u751f\u8cc7\u6599\u5305\u907a\u5931\u6642\u5177\u6709\u91cd\u50b3\u6a5f\u5236\uff0c\u4f46\u5b83\u4e26\u4e0d\u9069\u5408\u5373\u6642\u5a92\u9ad4\uff0c\u5982\u679c\u767c\u751f\u907a\u5931\uff0c\u8996\u8a0a\u548c\u97f3\u8a0a\u53ef\u80fd\u7121\u6cd5\u6d41\u66a2\u64ad\u653e\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u7531\u65bc\u8cc7\u6599\u5305\u6392\u5e8f\uff0cTCP \u5bb9\u6613\u51fa\u73fe\u968a\u982d\u963b\u585e\uff0c<span class=\"swl-marker mark_blue\">\u8207 UDP \u76f8\u6bd4\uff0c\u6296\u52d5\uff08\u6ce2\u52d5\uff09\u4e5f\u6709\u6240\u589e\u52a0\u3002<\/span>\u6b64\u5916\uff0cTLS \u52a0\u5bc6\u548c\u89e3\u5bc6\u8655\u7406\u6703\u70ba CPU \u5e36\u4f86\u984d\u5916\u7684\u8ca0\u8f09\u3002\u64da\u5831\u9053\uff0c\u9019\u6703\u5c0e\u81f4 50 \u6beb\u79d2\u6216\u66f4\u9577\u7684\u984d\u5916\u5ef6\u9072\uff0c\u7528\u6236\u53ef\u80fd\u6703\u611f\u89ba\u5230\u5361\u9813\u3002\u5c24\u5176\u662f\u5728\u8996\u8a0a\u6703\u8b70\u4e2d\uff0c\u9019\u7a2e\u5ef6\u9072\u7684\u589e\u52a0\u6703\u6e1b\u6162\u5c0d\u8a71\u7bc0\u594f\uff0c\u4e26\u5c0e\u81f4\u660e\u986f\u7684\u6642\u9593\u5dee\u7570\u3002<\/p>\n\n\n\n<p>\u9019\u6a23\uff0cTURNS \u5728\u54c1\u8cea\u65b9\u9762\u53ef\u4ee5\u88ab\u8996\u70ba\u4e00\u7a2e\u201c\u6700\u5f8c\u624b\u6bb5\u201d\uff0c\u4f46\u5728\u9664\u4e86\u5efa\u7acb\u901a\u8a0a\u4e4b\u5916\u5225\u7121\u9078\u64c7\u7684\u60c5\u6cc1\u4e0b\uff0c\u5b83\u4e5f\u662f\u4e00\u689d\u53ef\u9760\u7684\u751f\u547d\u7dda\u3002<\/p>\n\n\n\n<p>\u8fd1\u5e74\u4f86\uff0c\u4eba\u5011\u8003\u616e\u63a1\u7528\u4e00\u7a2e\u5728 UDP \u9023\u63a5\u57e0 443 \u4e0a\u904b\u884c\u4e26\u4f7f\u7528 DTLS\/QUIC \u4ee3\u66ff TLS \u7684\u65b0\u65b9\u6cd5\uff08TURN over QUIC\uff09\uff0c\u4f46\u5b83\u4ecd\u8655\u65bc\u6a19\u6e96\u5316\u904e\u7a0b\u4e2d\uff0c\u4e26\u4e0d\u5e38\u7528\u3002<\/p>\n\n\n\n<h2>UDP STUN \u4e0d\u53ef\u7528\u6642\u7684\u901a\u8a0a\u6d41\u7a0b<\/h2>\n\n\n\n<p>\u6211\u5011\u5c07\u9010\u6b65\u89e3\u91cb\u7576 UDP \u4e0a\u7684 STUN \u4e0d\u53ef\u7528\u6642\uff0cWebRTC ICE \u7684\u8655\u7406\u904e\u7a0b\u3002\u5047\u8a2d UDP \u5b8c\u5168\u963b\u585e\uff0c\u4f8b\u5982\u5728\u4f01\u696d\u7db2\u8def\u4e2d\uff0c\u4e26\u89c0\u5bdf ICE \u5354\u5546\u5982\u4f55\u56de\u9000\u3002<\/p>\n\n\n\n<ol><li><strong>\u5ba2\u6236\u7aef\u5411 STUN \u4f3a\u670d\u5668\u767c\u9001\u5916\u90e8 IP \u67e5\u8a62\uff08UDP\/3478\uff09\uff1a<\/strong><br>WebRTC \u7528\u6236\u7aef\uff08\u700f\u89bd\u5668\uff09<code>\u51b0\u670d\u52d9\u5668<\/code>\u900f\u904e UDP \u9023\u63a5\u57e0 3478 \u5411 \u4e2d\u6307\u5b9a\u7684 STUN \u4f3a\u670d\u5668\u50b3\u9001\u7d81\u5b9a\u8acb\u6c42\uff08\u9a57\u8b49\u5916\u90e8\u4f4d\u5740\u7684\u8acb\u6c42\uff09\u3002\u9019\u662f\u6536\u96c6 ICE \u5019\u9078\u7684\u7b2c\u4e00\u6b65\uff0c\u5982\u679c\u6210\u529f\uff0c\u4f3a\u670d\u5668\u5c07\u50b3\u56de\u81ea\u5df1\u7684\u5168\u57df IP \u4f4d\u5740\u548c\u9023\u63a5\u57e0\u865f\uff0c\u4e26\u4f5c\u70ba\u4f3a\u670d\u5668\u53cd\u5c04\u5019\u9078\uff08srflx \u5019\u9078\uff09\u65b0\u589e\u81f3\u5019\u9078\u6e05\u55ae\u3002<\/li><li><strong>UDP\u5c01\u5305\u88ab\u9632\u706b\u7246\u963b\u6b62\uff0c\u4e14\u672a\u6536\u5230\u4efb\u4f55\u56de\u61c9\uff1a<\/strong><br>\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u7db2\u8def\u9632\u706b\u7246\u8a2d\u5b9a\u6703\u963b\u6b62 UDP \u901a\u8a0a\u5230\u9054\u5916\u90e8\u3002\u56e0\u6b64\uff0c\u50b3\u9001\u5230 STUN \u4f3a\u670d\u5668\u7684\u8acb\u6c42\u7121\u6cd5\u5230\u9054\u4f3a\u670d\u5668\uff0c\u6216\u56de\u8986\u7121\u6cd5\u5230\u9054\u5ba2\u6236\u7aef\u3002\u7d50\u679c\uff0c\u5ba2\u6236\u7aef<strong>\u672a\u6536\u5230 STUN \u56de\u61c9<\/strong>\uff0c\u7121\u6cd5\u77e5\u9053\u5916\u90e8 IP \u4f4d\u5740\u3002 ICE \u4ee3\u7406\u7a0b\u5f0f\u7b49\u5f85\u56de\u61c9\u4e00\u6bb5\u6642\u9593\uff0c\u4f46\u96a8\u5f8c\u903e\u6642\u3002\u5f9e\u4f7f\u7528\u8005\u7684\u89d2\u5ea6\u4f86\u770b\uff0c\u9023\u7dda\u4ecd\u5728\u8655\u7406\u4e2d\uff0c\u6c92\u6709\u986f\u793a\u4efb\u4f55\u932f\u8aa4\u8a0a\u606f\uff0c\u4f46\u5be6\u969b\u4e0a<strong>\u672a\u80fd\u6536\u96c6\u5019\u9078\u4eba<\/strong>\u9019\u7a2e\u60c5\u6cc1\u76ee\u524d\u6b63\u5728\u767c\u751f\u3002<\/li><li><strong>ICE \u76f4\u63a5\u9023\u7dda\u6aa2\u67e5\u5931\u6557\uff0c\u56e0\u70ba\u6c92\u6709\u53ef\u7528\u7684 Server Reflexive \u5019\u9078\uff1a<\/strong><br>\u901a\u5e38\u60c5\u6cc1\u4e0b\uff0c\u5982\u679c STUN \u9023\u7dda\u6210\u529f\uff0c\u7528\u6236\u7aef\u9664\u4e86\u4e3b\u6a5f\u5019\u9078\uff08\u60a8\u7684\u672c\u6a5f IP\uff09\u4e4b\u5916\uff0c\u9084\u6703\u6709\u4e00\u500b\u4f3a\u670d\u5668\u81ea\u53cd\u5019\u9078\uff08\u60a8\u7684\u5168\u57df IP\uff09\uff0c\u4e26\u5c07\u5176\u8207\u9060\u7aef\u5c0d\u7b49\u9ad4\u7684\u985e\u4f3c\u5019\u9078\u76f8\u7d50\u5408\uff0c\u4ee5\u6aa2\u67e5\u9023\u7dda\u662f\u5426\u6b63\u5e38\u3002\u4f46\u662f\uff0c\u5982\u679c\u7531\u65bc STUN \u9023\u7dda\u5931\u6557\u5c0e\u81f4\u6c92\u6709\u5168\u57df IP \u5019\u9078\uff0c\u5247<strong>\u76f4\u63a5\u540c\u5115\u806f\u7e6b\u7684\u5019\u9078\u4eba\u6975\u70ba\u6709\u9650<\/strong>\u4f8b\u5982\uff0c\u5982\u679c\u96d9\u65b9\u90fd\u53ea\u6709\u79c1\u4eba IP \u4f4d\u5740\uff0c\u5373\u4f7f\u5617\u8a66\u9023\u7dda\u4e5f\u7121\u6cd5\u4e92\u76f8\u5b58\u53d6\u3002\u56e0\u6b64\uff0cICE \u6703\u5224\u65b7\u7121\u6cd5\u76f4\u63a5\u901a\u8a0a\u3002\u5982\u679c ICE \u4f3a\u670d\u5668\uff08TURN\uff09\u672a\u914d\u7f6e\uff0c\u5247\u6574\u500b ICE \u6703\u5728\u6b64\u968e\u6bb5\u88ab\u8996\u70ba\u5931\u6557\uff0cWebRTC \u9023\u7dda\u5c07\u7121\u6cd5\u5efa\u7acb\uff08\u958b\u767c\u8005\u63a7\u5236\u53f0\u5c07\u986f\u793a<code>ICE \u5931\u6557<\/code>\u548c......\u548c<code>ICE\u9023\u7dda\u72c0\u614b\uff1a\u5931\u6557<\/code>\u7b49\uff09\u3002<\/li><li><strong>\u5617\u8a66\u53d6\u5f97 TURN \u4e2d\u7e7c\u5019\u9078\uff08\u900f\u904e TCP\/TLS\/443\uff09\uff1a<\/strong><br>\u5373\u4f7f STUN \u76f4\u63a5\u53d6\u5f97\u5019\u9078\u5931\u6557\uff0c<code>\u51b0\u670d\u52d9\u5668<\/code>\u5982\u679c\u5728<strong>\u5f8c\u7e8c\u6b65\u9a5f<\/strong>\u5728\u6b64\u7bc4\u4f8b\u4e2d\uff0c\u7531\u65bc UDP \u4e0d\u53ef\u7528\uff0c\u56e0\u6b64\u5ba2\u6236\u7aef\u5c07\u5617\u8a66\u4f7f\u7528 TCP \u6216 TLS \u9023\u7dda\u5230 TURN \u4f3a\u670d\u5668\uff08\u4f8b\u5982\uff0c<code>\u8f49\u5f4e\uff1aturn.example.com\uff1a443<\/code>\uff08\u5982\u679c\u5df2\u914d\u7f6e\uff0cTLS \u63e1\u624b\u5c07\u958b\u59cb\u3002\uff09\u5e78\u904b\u7684\u662f\uff0c\u9632\u706b\u7246\u5141\u8a31\u5728 TCP 443 \u9023\u63a5\u57e0\u4e0a\u9032\u884c HTTPS \u901a\u4fe1\uff0c\u56e0\u6b64\u900f\u904e TLS \u5efa\u7acb\u7684 TURN \u9023\u63a5\u6210\u529f\u3002\u7528\u6236\u7aef\u5728 TURN \u4f3a\u670d\u5668\u4e0a\u53d6\u5f97\u4e00\u500b\u4e2d\u7e7c\u4f4d\u5740\uff0c<strong>\u63a5\u529b\u5019\u9078\u4eba<\/strong>\u53e6\u4e00\u7aef\u5c07\u7372\u5f97\u4e2d\u7e7c\u5019\u9078\uff0c\u9019\u4e9b\u5019\u9078\u662f\u300c\u900f\u904e TURN \u4f3a\u670d\u5668\u9032\u884c\u901a\u8a0a\u7684\u865b\u64ec\u5019\u9078\u300d\u3002\u540c\u6642\uff0c\u53e6\u4e00\u7aef\uff08\u9060\u7aef\uff09\u4e5f\u5c07\u7372\u5f97\u4e2d\u7e7c\u5019\u9078\uff0c\u6216\u8005\u5982\u679c\u7db2\u8def\u6c92\u6709\u554f\u984c\uff0c\u5247\u6703\u6709\u76f4\u63a5\u5019\u9078\u6216 STUN \u5019\u9078\u3002\u7121\u8ad6\u5982\u4f55\uff0c\u53ea\u8981\u81f3\u5c11\u4e00\u7aef\u6709\u4e2d\u7e7c\u5019\u9078\uff0c\u53e6\u4e00\u7aef\u5c31\u53ef\u4ee5\u5617\u8a66\u9023\u63a5\u5230\u8a72 TURN \u4f3a\u670d\u5668\u3002<\/li><li><strong>\u900f\u904e\u4e2d\u7e7c\u5efa\u7acb ICE \u9023\u7dda\uff08\u6216\u6700\u7d42\u5931\u6557\uff09\uff1a<\/strong><br>\u4e00\u65e6\u96d9\u65b9\u90fd\u6709\u53ef\u7528\u7684\u5019\u9078\u4eba\uff08\u672c\u4f8b\u4e2d\u662f\u4e00\u500b\u6216\u5169\u500b\u4e2d\u7e7c\u5019\u9078\u4eba\uff09\uff0cICE \u5c31\u6703\u4f7f\u7528\u5b83\u5011\u4f86\u6aa2\u67e5\u9023\u63a5\u3002\u4e00\u65e6\u900f\u904e TURN \u4f3a\u670d\u5668\u8207\u4f3a\u670d\u5668\u5efa\u7acb\u901a\u4fe1\uff0c\u5c31\u53ef\u4ee5\u9032\u884c\u4e2d\u7e7c\uff0c\u56e0\u6b64\u5373\u4f7f UDP \u4e0d\u5728\u96d9\u65b9\u4e4b\u9593\u76f4\u63a5\u50b3\u8f38\uff0c\u5a92\u9ad4\u901a\u9053\u4e5f\u6703\u6253\u958b\u3002\u9019\u5141\u8a31\u7528\u6236\u4e4b\u9593\u958b\u59cb\u8996\u8a0a\u548c\u97f3\u8a0a\u901a\u8a0a\u3002\u9023\u7dda\u5efa\u7acb\u5f8c\uff0c\u96d6\u7136\u6703\u6709\u4e00\u4e9b TCP over TLS \u5f62\u5f0f\u7684\u958b\u92b7\uff0c\u4f46\u5c0d\u8a71\u672c\u8eab\u662f\u53ef\u4ee5\u9032\u884c\u7684\u3002\u76f8\u53cd\uff0c\u5982\u679c\u9019\u88e1\u4e5f\u767c\u751f\u6545\u969c\uff08\u4f8b\u5982\uff0c\u516c\u53f8\u4ee3\u7406\u6aa2\u6e2c\u5230\u4e26\u963b\u6b62\u4e86\u975e HTTP TLS \u901a\u4fe1\uff0c\u6216\u8005 TURN \u4f3a\u670d\u5668\u7684\u8eab\u4efd\u9a57\u8b49\u5931\u6557\uff09\uff0cICE \u5c31\u6703\u5931\u6557\uff0c\u9023\u63a5\u5c07\u88ab\u653e\u68c4\u3002\u61c9\u7528\u7a0b\u5f0f\u9700\u8981\u5075\u6e2c\u5230\u9019\u7a2e\u60c5\u6cc1\uff0c\u4e26\u901a\u77e5\u7528\u6236\u300c\u7121\u6cd5\u9023\u7dda\u300d\u7b49\u8cc7\u8a0a\u3002<\/li><\/ol>\n\n\n\n<p>\u9019\u662f\u5728\u7121\u6cd5\u4f7f\u7528 UDP \u7684\u60e1\u52a3\u74b0\u5883\u4e0b ICE \u5354\u5546\u7684\u6d41\u7a0b\u3002\u7c21\u800c\u8a00\u4e4b\uff0c\u5019\u9078\u4f3a\u670d\u5668\u5c07\u6309\u7167\u300c\u4e3b\u6a5f \u2192 STUN \u2192 TURN\u300d\u7684\u9806\u5e8f\u9032\u884c\u5617\u8a66\uff0c\u5982\u679c\u5931\u6557\uff0c\u9023\u7dda\u5c07\u6703\u5931\u6557\u3002\u958b\u767c\u4eba\u54e1\u52d9\u5fc5\u4e86\u89e3\u6b64\u884c\u70ba\uff0c\u4e26\u81f3\u5c11\u5728 ICE \u4f3a\u670d\u5668\u6e05\u55ae\u4e2d\u5305\u542b\u4e00\u500b TURN\/TURNS \u4f3a\u670d\u5668\uff0c\u4ee5\u4fbf\u5373\u4f7f\u5728\u6700\u58de\u7684\u60c5\u6cc1\u4e0b\u4e5f\u80fd\u5efa\u7acb\u901a\u8a0a\u3002\u6b64\u5916\uff0c\u5728\u6536\u5230\u4f7f\u7528\u8005\u67e5\u8a62\u6642\uff0c\u9700\u8981\u9032\u884c\u6545\u969c\u6392\u9664\uff0c\u4f8b\u5982\u6839\u64da\u300cICE \u5931\u6557\u300d\u7b49\u8cc7\u8a0a\u63a8\u65b7\u7db2\u8def\u74b0\u5883\u554f\u984c\uff08\u4f8b\u5982 UDP \u963b\u585e\uff09\uff0c\u4e26\u6aa2\u67e5\u662f\u5426\u7f3a\u5c11 TURN \u4f3a\u670d\u5668\u8a2d\u5b9a\u3002<\/p>\n\n\n\n<h2>\u4f7f\u7528 coturn \u5efa\u7f6e\u548c\u8a2d\u5b9a STUN\/TURN\/TURNS \u4f3a\u670d\u5668<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8\u60f3\u8a2d\u5b9a\u81ea\u5df1\u7684 STUN\/TURN \u4f3a\u670d\u5668\uff0c\u8acb\u4f7f\u7528\u958b\u6e90\u5be6\u4f5c\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\u898b\u3002 coturn \u662f\u4e00\u500b\u652f\u63f4 STUN \u548c TURN \u7684\u4f3a\u670d\u5668\u5be6\u73fe\uff0c\u6839\u64da\u8a2d\u5b9a\u9084\u53ef\u4ee5\u652f\u63f4 TURNS\uff08TLS\uff09\u3002\u672c\u6587\u4ecb\u7d39\u5982\u4f55\u5728 Linux \u4f3a\u670d\u5668\u4e0a\u5b89\u88dd coturn \u4e26\u5efa\u7acb\u4e00\u500b\u63d0\u4f9b STUN\/TURN\/TURNS \u670d\u52d9\u7684\u4f3a\u670d\u5668\uff0c\u4ee5\u53ca\u8a2d\u5b9a\u91cd\u9ede\u3002\u6b64\u5916\uff0c\u4e5f\u4ecb\u7d39\u4e86\u5178\u578b\u7684\u8a2d\u5b9a\u6a94 (<code>turnserver.conf<\/code>) \u4e5f\u6703\u986f\u793a\u3002<\/p>\n\n\n\n<h3>\u5b89\u88dd\u548c\u57fa\u672c\u914d\u7f6e<\/h3>\n\n\n\n<h4><strong>\u5b89\u88dd<\/strong><\/h4>\n\n\n\n<p>\u5c0d\u65bc Ubuntu \u548c Debian\uff0c<code>\u6613\u65bc<\/code>\u60a8\u53ef\u4ee5\u5f9e\u6b64\u8655\u5b89\u88dd coturn \u5957\u4ef6\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\u5b83\u4e26\u5c07\u5176\u8a2d\u5b9a\u70ba\u81ea\u52d5\u555f\u52d5\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>\u9019\u5c07\u555f\u52d5 coturn \u4f3a\u670d\u5668\u4f5c\u70ba\u5b88\u8b77\u9032\u7a0b\u3002\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0c\u5b83\u5c07\u904b\u884c\u914d\u7f6e\u6587\u4ef6 <code>\/etc\/turnserver.conf<\/code> \u9019\u5c07\u52a0\u8f09\u6587\u4ef6\uff0c\u7136\u5f8c\u60a8\u53ef\u4ee5\u7de8\u8f2f\u5b83\uff08\u70ba\u4e86\u5b89\u5168\u8d77\u898b\uff0c\u8acb\u5728\u7de8\u8f2f\u4e4b\u524d\u9032\u884c\u5099\u4efd\uff09\u3002<\/p>\n\n\n\n<h4><strong>\u57fa\u672c\u8a2d\u5b9a<\/strong><\/h4>\n\n\n\n<p> <code>turnserver.conf<\/code>\u73fe\u5728\uff0c\u8a2d\u5b9a\u4ee5\u4e0b\u9805\u76ee\uff1a<\/p>\n\n\n\n<ul><li class=\"\"><strong>\u9818\u57df\u548c\u4f3a\u670d\u5668\u540d\u7a31\uff1a<\/strong> \u9019\u662f TURN \u4f3a\u670d\u5668\u7684\u7db2\u57df\u540d\u7a31\u6216\u8b58\u5225\u540d\u3002\u5b83\u53ef\u80fd\u7528\u65bc\u5c0d WebRTC \u7528\u6236\u7aef\u9032\u884c\u8eab\u4efd\u9a57\u8b49\uff0c\u4f46\u57fa\u672c\u4e0a\u53ef\u4ee5\u662f\u4efb\u610f\u5b57\u4e32\u3002\u4f8b\u5982\uff1a <code>\u9818\u57df=example.com<\/code>\uff0c<code>\u4f3a\u670d\u5668\u540d\u7a31=example.com<\/code>\u3002<\/li><li class=\"\"><strong>\u76e3\u807d\u57e0\uff1a<\/strong> \u7528\u65bc\u5075\u807d TURN \u548c STUN \u7684 UDP \u9023\u63a5\u57e0\u865f\u78bc\u3002\u9810\u8a2d\u503c\u70ba 3478\u3002<code>\u76e3\u807dIP<\/code>\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u7d81\u5b9a\u5230\u7279\u5b9a\u7684 NIC<code>0.0.0.0<\/code>\u6211\u5011\u5168\u90e8\u63a5\u53d7\u3002<\/li><li class=\"\"><strong>tls\u76e3\u807d\u57e0\uff1a<\/strong> \u9019\u662f\u7528\u65bc\u76e3\u807d TLS (TURNS) \u7684 TCP \u9023\u63a5\u57e0\u865f\u78bc\u3002\u901a\u5e38\u6307\u5b9a 443 \u6216 5349\u3002\u4f8b\u5982\uff1a <code>tls\u76e3\u807d\u57e0=443<\/code>\u3002<\/li><li class=\"\"><strong>\u5916\u90e8IP\u4f4d\u5740\uff1a<\/strong> \u5982\u679c\u4f3a\u670d\u5668\u672c\u8eab\u4f4d\u65bc NAT \u4e4b\u5f8c\uff0c\u8acb\u6307\u5b9a\u5176\u81ea\u8eab\u7684\u5168\u57df IP\uff08\u9019\u5141\u8a31\u4f3a\u670d\u5668\u8b58\u5225\u5167\u90e8 IP \u548c\u5916\u90e8 IP \u4e4b\u9593\u7684\u5c0d\u61c9\uff09\u3002\u5982\u679c\u4f3a\u670d\u5668\u64c1\u6709\u76f4\u63a5\u7684\u5168\u57df IP\uff0c\u5247\u7121\u9700\u57f7\u884c\u6b64\u64cd\u4f5c\u3002<\/li><li class=\"\"><strong>\u8eab\u4efd\u9a57\u8b49\u65b9\u6cd5\uff1a<\/strong> WebRTC \u4f7f\u7528\u9577\u671f\u6191\u8b49\u9032\u884c TURN\uff0c\u56e0\u6b64<code>lt-cred-mech<\/code>\uff08\u9577\u671f\u6191\u8b49\u6a5f\u5236\uff09\u5df2\u555f\u7528\u3002<code>\u7528\u6236=\u7528\u6236\u540d:\u5bc6\u78bc<\/code>\u6216\u4ee5\u4ee5\u4e0b\u683c\u5f0f\u8a2d\u5b9a\u4f7f\u7528\u8005\u540d\u7a31\u548c\u5bc6\u78bc<code>\u4f7f\u7528\u6388\u6b0a\u79d8\u5bc6<\/code>\uff08\u5f8c\u8005\u662f\u57fa\u65bctoken\u7684\u8a8d\u8b49\uff0c\u5c0d\u65bc\u63d0\u5347\u5b89\u5168\u6027\u6bd4\u8f03\u6709\u6548\uff0c\u4e0d\u904e\u9019\u88e1\u6211\u5011\u4ee5\u7c21\u55ae\u7684\u975c\u614b\u4f7f\u7528\u8005\u8a8d\u8b49\u70ba\u4f8b\uff09<\/li><li class=\"\"><strong>\u65e5\u8a8c\u8a2d\u5b9a\uff1a<\/strong> \u7528\u65bc\u6545\u969c\u6392\u9664<code>\u8a18\u9304\u6a94<\/code>\u6307\u5b9a\u65e5\u8a8c\u6a94\u6848\u8def\u5f91<code>\u5197\u9577\u7684<\/code>\u60a8\u53ef\u80fd\u60f3\u8981\u555f\u7528\u8a73\u7d30\u65e5\u8a8c\u8a18\u9304\u3002<\/li><\/ul>\n\n\n\n<h4><strong>\u9632\u706b\u7246\u8a2d\u5b9a<\/strong><\/h4>\n\n\n\n<p>\u5728\u4f3a\u670d\u5668\u7aef\uff0c\u7528\u65bc STUN\/TURN<strong>UDP \u9023\u63a5\u57e0 3478<\/strong>\u4ee5\u53ca TURN\/TLS<strong>TCP \u9023\u63a5\u57e0 443<\/strong>\uff08\u6216 5349\uff09\u5fc5\u9808\u6253\u958b\u3002\u6b64\u5916\uff0cTURN \u4e2d\u7e7c\u9810\u8a2d\u4f7f\u7528 UDP \u9023\u63a5\u57e0\u7bc4\u570d 10000-20000\uff0c\u56e0\u6b64\u4e5f\u8acb\u5728\u4f3a\u670d\u5668\u4e0a\u958b\u555f\u6b64\u9023\u63a5\u57e0\u7bc4\u570d\uff08\u5982\u6709\u5fc5\u8981\uff0c<code>\u6700\u5c0f\u9023\u63a5\u57e0<\/code>\u548c<code>\u6700\u5927\u9023\u63a5\u57e0<\/code>\uff08\u7bc4\u570d\u53ef\u4ee5\u900f\u904e<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u53cd\u6620\u4e0a\u8ff0\u57fa\u672c\u8a2d\u5b9a\u7684\u7bc4\u4f8b\u3002<code>\/etc\/turnserver.conf<\/code>\u4ee5\u4e0b\u662f\u4e00\u500b\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\u5011\u7372\u5f97 Let&#039;s Encrypt \u6191\u8b49\u4e26\u5c07\u5176\u7528\u65bc TLS \u8a2d\u5b9a\u3002<code>lt-cred-mech<\/code>\u555f\u7528\u9577\u671f\u8eab\u4efd\u9a57\u8b49<code>\u4f7f\u7528\u8005<\/code>\u9019\u5c07\u8a2d\u5b9a\u7c21\u55ae\u7684\u7528\u6236\u540d\/\u5bc6\u78bc\u9a57\u8b49\u3002<code>\u4f7f\u7528\u6388\u6b0a\u79d8\u5bc6<\/code>\u548c<code>\u975c\u614b\u8a8d\u8b49\u79d8\u5bc6<\/code>\u5efa\u8b70\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u57fa\u65bc\u4ee4\u724c\u7684\u65b9\u6cd5\u4f86\u9812\u767c\u81e8\u6642\u6191\u8b49\uff0c\u4f46\u6211\u5011\u5728\u9019\u88e1\u4e0d\u8a0e\u8ad6\u9019\u500b\u3002<\/p>\n\n\n\n<h4><strong>\u4f7f\u7528 TLS \u6642\u7684\u6ce8\u610f\u4e8b\u9805<\/strong><\/h4>\n\n\n\n<p>\u5728 443 \u9023\u63a5\u57e0\u4e0a\u57f7\u884c coturn \u6642\uff0c\u9700\u8981\u6ce8\u610f Linux \u74b0\u5883\u4e2d\u7684\u9023\u63a5\u57e0\u6b0a\u9650\u3002 1024 \u4ee5\u4e0b\u7684\u7aef\u53e3\u7a31\u70ba\u7279\u6b0a\u7aef\u53e3\uff0c\u901a\u5e38\u9700\u8981 root \u6b0a\u9650\u624d\u80fd\u6253\u958b\u3002 Ubuntu coturn \u8edf\u9ad4\u5305\u9810\u8a2d\u70ba<code>\u8f49\u5f4e\u4f3a\u670d\u5668<\/code>\u56e0\u70ba\u5b83\u662f\u7531\u4f7f\u7528\u8005\u57f7\u884c\u7684\uff0c\u6240\u4ee5\u5b83\u4e0d\u80fd\u6309\u539f\u6a23\u7d81\u5b9a\u5230\u9023\u63a5\u57e0 443\u3002<code>\/etc\/\u9810\u8a2d\/coturn<\/code>\u5c07\u904b\u884c\u7528\u6236\u66f4\u6539\u70ba root\uff0c\u6216\u8005<code>\u8a2d\u5b9a\u4e0a\u9650<\/code>\u4f7f\u7528\u547d\u4ee4<code>\u8f49\u5f4e\u4f3a\u670d\u5668<\/code>\u5230\u53ef\u57f7\u884c\u6a94<code>cap_net_bind_service<\/code>\u6709\u4e00\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u6388\u4e88\u6b0a\u9650\u3002\u4f8b\u5982\uff0c\u5728\u5f8c\u4e00\u7a2e\u60c5\u6cc1\u4e0b\uff0c<code>sudo setcap cap_net_bind_service=+ep \/usr\/bin\/turnserver<\/code>\u900f\u904e\u57f7\u884c\u6b64\u547d\u4ee4\uff0c\u5373\u4f7f\u975e root \u4f7f\u7528\u8005\u4e5f\u80fd\u7d81\u5b9a\u4f4e\u7de8\u865f\u9023\u63a5\u57e0\u3002\u6b64\u5916\uff0c\u8acb\u6307\u5b9a\u6191\u8b49\u6a94\u6848 (cert\/pkey) \u7684\u6b63\u78ba\u8def\u5f91\uff0c\u4e26\u8a2d\u5b9a\u6a94\u6848\u6b0a\u9650\uff0c\u4ee5\u4fbf coturn \u4f7f\u7528\u8005\u53ef\u4ee5\u8b80\u53d6\u8a72\u6a94\u6848\u3002\u66f4\u6539\u8a2d\u5b9a\u5f8c\uff0c<code>sudo systemctl \u91cd\u555f coturn<\/code>\u91cd\u65b0\u555f\u52d5\u670d\u52d9\u4e26\u6aa2\u67e5\u65e5\u8a8c\u662f\u5426\u6709\u4efb\u4f55\u932f\u8aa4\u3002<\/p>\n\n\n\n<h4><strong>\u64cd\u4f5c\u6aa2\u67e5<\/strong><\/h4>\n\n\n\n<p>\u555f\u52d5 coturn \u4f3a\u670d\u5668\u5f8c\uff0c\u6211\u5011\u5c07\u4f7f\u7528 STUN \u7528\u6236\u7aef\u5c0d\u5176\u9032\u884c\u6e2c\u8a66\u4ee5\u6aa2\u67e5\u5176\u904b\u884c\u60c5\u6cc1\uff0c\u4e26\u5617\u8a66\u5f9e\u700f\u89bd\u5668\u4e2d\u7684 WebRTC \u61c9\u7528\u7a0b\u5f0f\u9023\u63a5\u5230 ICE\u3002<code>\u64ca\u6688\u5ba2\u6236\u7aef<\/code>\u547d\u4ee4\uff08<code>apt-get \u5b89\u88dd stun-client<\/code>\uff08\u53ef\u5b89\u88dd\u65bc<code>stunclient &lt;\u4f3a\u670d\u5668 IP&gt; 3478<\/code>\u60a8\u53ef\u4ee5\u5617\u8a66\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u53d6\u5f97\u5916\u90e8 IP\u3002\u6b64\u5916\uff0c\u5728\u60a8\u7684\u700f\u89bd\u5668\u4e2d\uff0cICE \u5019\u9078\u5730\u5740\u5c07\u5217\u5728\u958b\u767c\u8005\u5de5\u5177\u65e5\u8a8c\u4e2d\uff0c\u56e0\u6b64<code>srflx<\/code>\uff08\u4f3a\u670d\u5668\u53cd\u8eab\uff09\u5019\u9078\u4eba\u548c<code>\u4e2d\u7e7c<\/code>\u6aa2\u67e5\u662f\u5426\u627e\u5230\u5019\u9078\u3002\u5982\u679c\u6c92\u6709\uff0c\u8acb\u5617\u8a66\u4ee5\u4e0b\u65b9\u6cd5\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n\n\n\n<ul><li class=\"\">\u4f3a\u670d\u5668\u7684\u9632\u706b\u7246\u8a2d\u5b9a\uff08iptables \u6216\u96f2\u7aef\u5b89\u5168\u7fa4\u7d44\uff09\u4e2d\u662f\u5426\u958b\u555f\u4e86\u5fc5\u8981\u7684\u9023\u63a5\u57e0\uff1f<\/li><li class=\"\">\u7528\u6236\u7aef ICE \u4f3a\u670d\u5668\u8a2d\u5b9a\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u4e2d\u662f\u5426\u8a2d\u5b9a\u4e86\u6b63\u78ba\u7684 URI\u3001\u9023\u63a5\u57e0\u548c\u9a57\u8b49\u8cc7\u8a0a\uff1f<\/li><li class=\"\"><code>turnserver.conf<\/code>\u7684<code>\u9818\u57df<\/code>\u78ba\u4fdd\u8a2d\u5b9a\u8207\u5ba2\u6236\u7aef\u8eab\u4efd\u9a57\u8b49\u4e00\u81f4\u3002 \uff08\u9019\u5728\u700f\u89bd\u5668\u7248\u672c\u7684 WebRTC \u4e2d\u901a\u5e38\u4e0d\u662f\u554f\u984c\uff0c\u56e0\u70ba\u9818\u57df\u662f\u81ea\u52d5\u5206\u914d\u7684\u3002\u4f46\u5982\u679c\u60a8\u6709\u81ea\u8a02\u5be6\u73fe\uff0c\u5247\u9700\u8981\u5c0f\u5fc3\u3002\uff09<\/li><li class=\"\">\u5faa\u74b0\u65e5\u8a8c (<code>\/var\/log\/turnserver.log<\/code>) \u4e26\u6aa2\u67e5\u662f\u5426\u6709\u8eab\u4efd\u9a57\u8b49\u932f\u8aa4 (<code>\u932f\u8aa4\u7528\u6236<\/code>\u5982\u679c\u51fa\u73fe\u5982\u4e0a\u932f\u8aa4\uff0c\u5247\u8868\u793a\u4f7f\u7528\u8005\u540d\u7a31\/\u5bc6\u78bc\u4e0d\u7b26\u3002<\/li><\/ul>\n\n\n\n<p>\u900f\u904e\u4e0a\u8ff0\u8a2d\u7f6e\uff0c\u60a8\u5c07\u64c1\u6709\u81ea\u5df1\u7684 STUN\/TURN\/TURNS \u4f3a\u670d\u5668\u904b\u884c\uff0c\u4e26\u80fd\u5920\u5728\u5404\u7a2e\u7db2\u8def\u74b0\u5883\u4e2d\u652f\u63f4 WebRTC \u9023\u7dda\u3002<\/p>\n\n\n\n<h2>WebRTC \u7528\u6236\u7aef ICE \u4f3a\u670d\u5668\u8a2d\u5b9a\u7bc4\u4f8b\uff08JavaScript\uff09<\/h2>\n\n\n\n<p>\u8981\u5be6\u969b\u4f7f\u7528\u6211\u5011\u525b\u525b\u5728 WebRTC \u61c9\u7528\u7a0b\u5f0f\uff08\u700f\u89bd\u5668\uff09\u4e0a\u5efa\u7f6e\u7684 STUN\/TURN \u4f3a\u670d\u5668\uff0c<strong>ICE\u4f3a\u670d\u5668\u8a2d\u5b9a<\/strong>\u5728 JavaScript \u7684 WebRTC API \u4e2d\uff0c<code>RTCPeerConnection<\/code>\u60a8\u53ef\u4ee5\u5728\u7522\u751f\u6642\u6307\u5b9a STUN\/TURN \u4f3a\u670d\u5668\u6e05\u55ae\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5c55\u793a\u4e00\u500b\u6307\u5b9a\u6240\u6709 STUN\/TURN\/TURNS \u4f3a\u670d\u5668\u7684\u5177\u9ad4\u7a0b\u5f0f\u78bc\u7bc4\u4f8b\uff0c\u4e26\u89e3\u91cb\u5176\u610f\u7fa9\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u70ba ICE \u4f3a\u670d\u5668\u5efa\u7acb\u4e00\u500b\u914d\u7f6e\u7269\u4ef6\u3002\u8f38\u5165\u4f3a\u670d\u5668\u7684\u7db2\u57df\u540d\u7a31\u3002<code>turn.example.com<\/code>\uff08\u6839\u64da\u60c5\u6cc1\u66ff\u63db\uff09\u3002 STUN \u4e0d\u9700\u8981\u8eab\u4efd\u9a57\u8b49\uff0c\u56e0\u6b64\u53ea\u9700\u6307\u5b9a URI\u3002 TURN\/TURNS \u9700\u8981\u8eab\u4efd\u9a57\u8b49\uff0c\u56e0\u6b64\u4e5f\u9700\u8981\u6307\u5b9a\u4f7f\u7528\u8005\u540d\u7a31\u548c\u5bc6\u78bc\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\u52d9\u5668<\/code>\u8a72\u6578\u7d44\u6709\u4e09\u500b\u689d\u76ee\u3002<\/p>\n\n\n\n<ol><li class=\"\"><strong>\u7729\u6688\uff1a<\/strong> <code>stun\uff1aturn.example.com\uff1a3478<\/code><br>\u6307\u5b9a\u60a8\u81ea\u5df1\u7684 STUN \u4f3a\u670d\u5668\u4f4d\u5740\uff08\u5982\u679c\u7701\u7565\u7aef\u53e3\uff0c\u5247\u4f7f\u7528 3478\uff09\u3002 STUN \u7528\u65bc\u5224\u65b7 NAT \u7a7f\u900f\u4e26\u53d6\u5f97\u5019\u9078\u4f4d\u5740\u3002\u700f\u89bd\u5668\u9996\u5148\u900f\u904e UDP \u67e5\u8a62\u6b64\u4f3a\u670d\u5668\u4ee5\u53d6\u5f97\u4f3a\u670d\u5668\u53cd\u5c04\u5019\u9078\u4f4d\u5740\u3002<\/li><li class=\"\"><strong>TURN\uff08UDP\uff09\uff1a<\/strong> <code>turn:turn.example.com:443?transport=udp<\/code><br>\u5efa\u7acb\u60a8\u81ea\u5df1\u7684 TURN \u4f3a\u670d\u5668<strong>UDP \u9023\u63a5\u57e0 443<\/strong>\u9019\u662f\u8981\u4f7f\u7528\u7684\u8a2d\u5b9a\u3002\u5148\u524d\u5728coturn\u4e2d\u8a2d\u5b9a\u7684\u4f7f\u7528\u8005\u540d\u7a31\u4f5c\u70ba\u8a8d\u8b49\u8a0a\u606f<code>webrtcuser<\/code>\u548c\u5bc6\u78bc<code>secretpass123<\/code>\u67e5\u8a62\u53c3\u6578\u5df2\u6307\u5b9a\u3002<code>\uff1f\u50b3\u8f38=udp<\/code>\uff08\u5982\u679c\u672a\u6307\u5b9a\uff0c\u700f\u89bd\u5668\u5c07\u9996\u5148\u5617\u8a66 UDP\uff0c\u5982\u679c\u5931\u6557\uff0c\u5247\u518d\u5617\u8a66 TCP\u3002\uff09\u900f\u904e\u6b64\u8a2d\u7f6e\uff0c\u5373\u4f7f\u4f7f\u7528\u666e\u901a STUN \u7684\u76f4\u63a5\u9023\u63a5\u5931\u6557\uff0c\u60a8\u4e5f\u53ef\u4ee5\u7372\u5f97\u5728 UDP \u9023\u63a5\u57e0 443 \u4e0a\u9032\u884c TURN \u4e2d\u7e7c\u7684\u5019\u9078\u3002<\/li><li class=\"\"><strong>TURN\uff08TLS\/TCP\uff09\uff1a<\/strong> <code>\u8f49\u5f4e\uff1aturn.example.com\uff1a443<\/code><br><strong>\u4f7f\u7528 TLS \u7684 TURN<\/strong>\u9019\u662f TURNS \u4f3a\u670d\u5668\u7684\u8a2d\u5b9a\u3002\u4f7f\u7528\u8005\u540d\u7a31\u548c\u5bc6\u78bc\u4e5f\u5728\u6b64\u6307\u5b9a\u3002\u700f\u89bd\u5668\u5c07\u5728 TCP \u9023\u63a5\u57e0 443 \u4e0a\u8207\u6b64\u689d\u76ee\u5efa\u7acb TLS \u9023\u63a5\uff0c\u4ee5\u53d6\u5f97 TURN \u4e2d\u7e7c\u5019\u9078\u3002\u9019\u662f\u6700\u5f8c\u7684\u4e2d\u7e7c\u5019\u9078\uff0c\u5373\u4f7f\u5b8c\u5168\u7121\u6cd5\u900f\u904e UDP \u901a\u4fe1\uff0c\u4e5f\u6709\u53ef\u80fd\u5efa\u7acb\u901a\u4fe1\u3002<\/li><\/ol>\n\n\n\n<p><code>RTCPeerConnection<\/code>\u7576 ICE \u4ee3\u7406\u7a0b\u5f0f\u7522\u751f ICE \u4f3a\u670d\u5668\u6642\uff0c\u5b83\u6703\u6309\u9806\u5e8f\u5617\u8a66\u9023\u63a5\u5230\u6307\u5b9a\u7684 ICE \u4f3a\u670d\u5668\u4e26\u6536\u96c6\u5019\u9078\u4f3a\u670d\u5668\u3002 ICE \u4ee3\u7406\u7a0b\u5f0f\u9996\u5148\u53d6\u5f97 STUN \u5019\u9078\u4f3a\u670d\u5668\uff08srflx\uff09\uff0c\u7136\u5f8c\u4e26\u884c\u53d6\u5f97 TURN \u5019\u9078\u4f3a\u670d\u5668\uff08relay\uff09\u3002\u7136\u5f8c\uff0cICE \u6f14\u7b97\u6cd5\u6703\u5408\u4f75\u9019\u4e9b\u5019\u9078\u4f3a\u670d\u5668\uff0c\u57f7\u884c\u9023\u7dda\u6aa2\u67e5\u4e26\u9078\u64c7\u6700\u4f73\u8def\u7531\u3002\u958b\u767c\u4eba\u54e1\u7121\u9700\u4e86\u89e3\u4efb\u4f55\u5176\u4ed6\u6d41\u7a0b\u3002<\/p>\n\n\n\n<p><strong>\u89c0\u9ede\uff1a<\/strong> \u5982\u4e0a\u6240\u8ff0<strong>\u6e96\u5099\u591a\u540d\u5019\u9078\u4eba<\/strong>\u5f88\u91cd\u8981\u3002\u4f8b\u5982\uff0c<code>\u7729\u6688\uff1a<\/code>\u5982\u679c\u50c5\u6307\u5b9a TURN (UDP)\uff0c\u5247\u5728 UDP \u88ab\u5c01\u9396\u7684\u74b0\u5883\u4e2d\u5c07\u627e\u4e0d\u5230\u4efb\u4f55\u5019\u9078\uff0c\u9023\u7dda\u5c07\u5931\u6557\u3002\u540c\u6a23\uff0c\u5982\u679c\u50c5\u6307\u5b9a TURN (UDP)\uff0c\u5247\u5728\u50c5\u5141\u8a31 TCP \u7684\u74b0\u5883\u4e2d\u9023\u7dda\u4e5f\u6703\u5931\u6557\u3002\u56e0\u6b64\uff0c\u5982\u679c\u53ef\u80fd\uff0c<code>\u8f49\u52d5\uff1a<\/code>\u548c<code>\u8f49\u5f4e\uff1a<\/code>\u900f\u904e\u5728 ICE \u4f3a\u670d\u5668\u4e2d\u540c\u6642\u5305\u542b\u9019\u5169\u7a2e\u5354\u8b70\uff0c\u53ef\u4ee5\u5be6\u73fe\u5197\u9918\uff0c\u4ee5\u4fbf\u5728\u4efb\u4f55\u74b0\u5883\u4e2d\u90fd\u80fd\u627e\u5230\u81f3\u5c11\u4e00\u500b\u6709\u6548\u7684\u5019\u9078\u8def\u5f91\uff08\u7576\u7136\uff0cTURN \u4f3a\u670d\u5668\u5fc5\u9808\u540c\u6642\u652f\u63f4 UDP \u548c TCP\/TLS\uff09\u3002\u5ba2\u6236\u7aef\uff08\u700f\u89bd\u5668\uff09\u6703\u81ea\u52d5\u9078\u64c7\u4e00\u689d\u53ef\u7528\u7684\u8def\u5f91\uff0c\u56e0\u6b64\u6e05\u55ae\u7684\u9806\u5e8f\u4e26\u4e0d\u662f\u4ec0\u9ebc\u5927\u554f\u984c\u3002\u5982\u679c\u975e\u8981\u6211\u8aaa\uff0c<code>\u51b0\u904b\u8f38\u653f\u7b56<\/code>\u7684<code>\u4e2d\u7e7c<\/code>\u9664\u975e\u60a8\u6307\u5b9a\u6b64\u9805\uff0c\u5426\u5247\u700f\u89bd\u5668\u5c07\u512a\u5148\u8003\u616e\u76f4\u63a5\u9023\u63a5\uff0c\u56e0\u6b64\u5982\u679c\u60a8\u8f38\u5165 STUN \u689d\u76ee\uff0c\u5247\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u5730\u4f7f\u7528 TURN \u4f3a\u670d\u5668\u3002\u6b64\u5916\uff0c\u5982\u679c\u5728 ICE \u4f3a\u670d\u5668\u6e05\u55ae\u4e2d\u8f38\u5165\u4e86\u4e0d\u76f8\u95dc\u7684\u4f3a\u670d\u5668\uff08\u4f8b\u5982\u4e0d\u5b58\u5728\u7684\u4f4d\u5740\uff09\uff0c\u5247\u53ef\u80fd\u6703\u56e0\u7b49\u5f85\u903e\u6642\u800c\u5c0e\u81f4\u5ef6\u9072\uff0c\u56e0\u6b64\u6700\u597d\u53ea\u8f38\u5165\u90a3\u4e9b\u78ba\u5be6\u53ef\u7528\u7684\u4f3a\u670d\u5668\u3002<\/p>\n\n\n\n<p>\u6700\u5f8c\uff0c\u8b93\u6211\u5011\u4f7f\u7528\u6b64\u8a2d\u5b9a\u904b\u884c WebRTC \u61c9\u7528\u7a0b\u5f0f\u4e26\u9a57\u8b49\u9023\u7dda\u72c0\u614b\u3002<code>peerConnection.getStats()<\/code>\u6216\u8005<code>chrome:\/\/webrtc-internals<\/code>\u60a8\u53ef\u4ee5\u4f7f\u7528 Chrome \u67e5\u770b ICE \u5019\u9078\u7248\u672c\u548c\u9023\u7dda\u72c0\u614b\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u5728 UDP \u53ef\u7528\u7684\u74b0\u5883\u4e2d\uff0c\u5b83\u61c9\u8a72\u6703\u81ea\u52d5\u56de\u9000\u5230\u76f4\u63a5 (P2P) \u9023\u7dda\uff1b\u5728 UDP \u4e0d\u53ef\u7528\u7684\u74b0\u5883\u4e2d\uff0c\u5b83\u61c9\u8a72\u6703\u81ea\u52d5\u56de\u9000\u5230\u900f\u904e TURN\/TLS \u7684\u9023\u7dda\u3002<\/p>\n\n\n\n<h2>SFU \u548c TURN \u4e4b\u9593\u7684\u5340\u5225<\/h2>\n\n\n\n<p>WebRTC \u4e2d\u7e7c\u5927\u81f4\u53ef\u4ee5\u5206\u70ba\u201cTURN\u201d\u548c\u201cSFU\u201d\uff0c\u4f46\u5b83\u5011\u7684\u89d2\u8272\u3001\u914d\u7f6e\u548c\u7528\u9014\u6709\u986f\u8457\u5dee\u7570\u3002\u9019\u88e1\u6211\u5011\u7e3d\u7d50\u4e86\u5b83\u5011\u4e4b\u9593\u7684\u6280\u8853\u5dee\u7570\u3002<\/p>\n\n\n\n<h3>TURN\uff1a\u4e2d\u7e7c\u4f5c\u70ba\u9ede\u5c0d\u9ede\u7684\u66ff\u4ee3\u65b9\u6848<\/h3>\n\n\n\n<p>TURN\uff08\u4f7f\u7528\u4e2d\u7e7c\u7e5e\u904e NAT\uff09\u662f\u4e00\u7a2e\u8f14\u52a9\u4e2d\u7e7c\u4f3a\u670d\u5668\uff0c\u7528\u65bc\u7121\u6cd5\u9032\u884c WebRTC P2P \u901a\u8a0a\u7684\u74b0\u5883\u3002\u7576 STUN \u56e0 NAT \u6216\u9632\u706b\u7246\u800c\u7121\u6cd5\u6b63\u5e38\u904b\u4f5c\u6642\uff0cTURN \u4f3a\u670d\u5668\u6703\u5728\u5c0d\u7b49\u9ad4\u4e4b\u9593\u904b\u4f5c\u4e26\u4e2d\u7e7c\u8cc7\u6599\u5305\u3002\u7531\u65bc\u6bcf\u500b\u5c0d\u7b49\u9ad4\u90fd\u5411\u6bcf\u500b\u901a\u8a0a\u5925\u4f34\u5206\u5225\u767c\u9001\u6d41\uff0c\u56e0\u6b64\u914d\u7f6e\u70ba\u7db2\u72c0\u7d50\u69cb\uff0c\u800c TURN \u5247\u88ab\u5b9a\u4f4d\u70ba\u300c\u66ff\u88dc\u300d\u3002<\/p>\n\n\n\n<ul><li><strong>\u4f5c\u54c1<\/strong>\uff1a\u6bcf\u500b\u4f7f\u7528\u8005\u900f\u904e\u4e2d\u7e7c\uff08\u5be6\u969b\u4e0a\u662f\u4e00\u500b\u7db2\u683c\uff09\u5411\u5176\u4ed6\u6bcf\u500b\u4f7f\u7528\u8005\u9032\u884c\u50b3\u8f38<\/li><li><strong>\u53ef\u64f4\u5c55\u6027<\/strong>\uff1a\u4f4e\uff08\u4eba\u6578\u8d8a\u591a\uff0c\u8ca0\u8377\u8d8a\u9ad8\uff09<\/li><li><strong>\u64ad\u51fa\u5167\u5bb9<\/strong>\uff1a\u50c5\u9032\u884c\u7c21\u55ae\u7684\u8cc7\u6599\u5305\u50b3\u8f38\uff0c\u4e0d\u9032\u884c\u5a92\u9ad4\u5206\u6790\u6216\u6700\u4f73\u5316<\/li><\/ul>\n\n\n\n<h3>SFU\uff1a\u9ad8\u6548\u4e2d\u7e7c\uff0c\u652f\u63f4\u591a\u65b9\u901a\u8a71<\/h3>\n\n\n\n<p>SFU\uff08\u9078\u64c7\u6027\u8f49\u767c\u55ae\u5143\uff09\u662f\u7528\u65bc\u591a\u53c3\u8207\u8005\u7db2\u8def\u6703\u8b70\u7684\u667a\u6167\u4e2d\u7e7c\u4f3a\u670d\u5668\u3002<span class=\"swl-marker mark_blue\">\u6bcf\u500b\u5ba2\u6236\u7aef\u5411 SFU \u767c\u9001\u4e00\u500b\u6d41\uff0cSFU \u9078\u64c7\u6027\u5730\u5c07\u5176\u8f49\u767c\u7d66\u5176\u4ed6\u53c3\u8207\u8005\u3002<\/span>\u5b83\u9084\u57f7\u884c\u63da\u8072\u5668\u5075\u6e2c\u3001\u5f71\u50cf\u54c1\u8cea\u8abf\u6574\u548c\u5ef6\u9072\u512a\u5316\uff0c\u5be6\u73fe\u53ef\u64f4\u5c55\u7684\u9ad8\u6027\u80fd\u5ee3\u64ad\u3002<\/p>\n\n\n\n<ul><li><strong>\u4f5c\u54c1<\/strong>\uff1a\u661f\u578b\uff0c\u6bcf\u500b\u5ba2\u6236\u7aef\u9023\u63a5\u5230\u4e00\u500b SFU<\/li><li><strong>\u53ef\u64f4\u5c55\u6027<\/strong>\uff1a\u6602\u8cb4\uff08\u5373\u4f7f\u4eba\u6578\u589e\u52a0\u4e5f\u53ea\u80fd\u767c\u9001\u4e00\u6b21\uff09<\/li><li><strong>\u64ad\u51fa\u5167\u5bb9<\/strong>\uff1a\u53ef\u4ee5\u63a7\u5236\u50b3\u8f38\u76ee\u7684\u5730\u548c\u5a92\u9ad4\u512a\u5316<\/li><\/ul>\n\n\n\n<h3>TURN \u8207 SFU \u5c0d\u6bd4\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u7279\u5fb5<\/th><th>\u8f49\u52d5<\/th><th>\u897f\u9580\u83f2\u6c99\u5927\u5b78<\/th><\/tr><tr><td>\u76ee\u7684<\/td><td>\u7121\u6cd5\u9032\u884c NAT \u7a7f\u8d8a\u6642\u7684\u66ff\u4ee3\u65b9\u6848<\/td><td>\u591a\u4eba\u5373\u6642\u6e9d\u901a<\/td><\/tr><tr><td>\u901a\u8a0a\u914d\u7f6e<\/td><td>\u7db2\u72c0\uff08\u76f8\u4e92\u50b3\u8f38\uff09<\/td><td>\u661f\u578b\uff08\u4e00\u6b21\u50b3\u8f38\uff09<\/td><\/tr><tr><td>\u4e2d\u7e7c\u529f\u80fd<\/td><td>\u7c21\u55ae\u4e2d\u7e7c\uff08\u900f\u660e\uff09<\/td><td>\u53ef\u9078\u8f49\u9001\u548c\u512a\u5316<\/td><\/tr><tr><td>\u53ef\u64f4\u5c55\u6027<\/td><td>\u4f4e\u7684<\/td><td>\u6602\u8cb4\u7684<\/td><\/tr><tr><td>\u5a92\u9ad4\u63a7\u5236<\/td><td>\u6c92\u6709\u4efb\u4f55<\/td><td>\u662f\uff08\u4f8b\u5982\u63da\u8072\u5668\u5075\u6e2c\u3001\u89e3\u6790\u5ea6\u8abf\u6574\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>TURN \u53ea\u662f\u5728\u7121\u6cd5\u9032\u884c P2P \u901a\u8a0a\u6642\u7684\u6700\u5f8c\u624b\u6bb5\uff0c\u662f\u88dc\u5145 P2P \u7db2\u683c\u7684\u4e2d\u7e7c\u3002<span class=\"swl-marker mark_blue\">SFU \u662f\u4e00\u7a2e\u4e2d\u7e7c\u67b6\u69cb\uff0c\u5f9e\u4e00\u958b\u59cb\u5c31\u88ab\u8a2d\u8a08\u70ba\u6709\u6548\u7387\u5730\u9032\u884c\u591a\u65b9\u901a\u8a71\u3002<\/span>\u7531\u65bc\u5169\u8005\u7684\u4f5c\u7528\u6839\u672c\u4e0d\u540c\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6642\u4e0d\u8981\u6df7\u6dc6\u5b83\u5011\u3002<\/p>\n\n\n\n<h2>\u6458\u8981<\/h2>\n\n\n\n<p>\u672c\u6587\u70ba\u4e2d\u968e\u5230\u9ad8\u968e WebRTC \u4f7f\u7528\u8005\u8a73\u7d30\u8b1b\u89e3\u4e86 STUN\u3001TURN \u548c TURNS \u4e4b\u9593\u7684\u6280\u8853\u5340\u5225\uff0c\u4ee5\u53ca\u4f55\u6642\u4f7f\u7528\u5b83\u5011\u3001\u5982\u4f55\u4f7f\u7528 coturn \u5efa\u7acb\u4f3a\u670d\u5668\u548c\u4e00\u4e9b\u7a0b\u5f0f\u78bc\u7bc4\u4f8b\uff0c\u4ee5\u53ca ICE \u5728\u60e1\u52a3\u7db2\u8def\u74b0\u5883\u4e2d\u7684\u8868\u73fe\u3002<\/p>\n\n\n\n<p><strong>\u7729\u6688<\/strong>\u5b83\u91cd\u91cf\u8f15\uff0c\u4e26\u652f\u63f4\u5728 NAT \u74b0\u5883\u4e2d\u76f4\u63a5\u901a\u8a0a\u3002<strong>\u8f49\u52d5<\/strong>\u5728\u56f0\u96e3\u60c5\u6cc1\u4e0b\u63d0\u4f9b\u6e9d\u901a\u7684\u751f\u547d\u7dda\uff1b<strong>\u8f49\u5f4e<\/strong>\u900f\u904e\u7d50\u5408\u9019\u4e9b\uff0c\u5373\u4f7f\u5728\u516c\u53f8\u5167\u90e8\u7b49\u7279\u6b8a\u74b0\u5883\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528 WebRTC\u3002<\/p>\n\n\n\n<p>\u6bcf\u7a2e\u65b9\u5f0f\u90fd\u6709\u5404\u81ea\u7684\u512a\u7f3a\u9ede\uff0c\u56e0\u6b64\u7406\u60f3\u60c5\u6cc1\u4e0b\uff0c\u61c9\u76e1\u53ef\u80fd\u76f4\u63a5\u4f7f\u7528 STUN \u9023\u63a5\uff0c\u50c5\u5728\u7d55\u5c0d\u5fc5\u8981\u6642\u4f7f\u7528 TURN \u4e2d\u7e7c\u3002\u5728\u5be6\u969b\u7684 WebRTC \u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u900f\u904e\u5728 ICE \u4f3a\u670d\u5668\u8a2d\u5b9a\u4e2d\u6e96\u5099\u672c\u6587\u4ecb\u7d39\u7684\u591a\u689d\u8def\u7531\uff0c\u4e26\u5728\u4f3a\u670d\u5668\u7aef\u6b63\u78ba\u914d\u7f6e\u548c\u64cd\u4f5c coturn\uff0c\u5373\u53ef\u5728\u5404\u7a2e\u7db2\u8def\u74b0\u5883\u4e2d\u63d0\u4f9b\u7a69\u5b9a\u7684\u5373\u6642\u901a\u8a0a\u3002<\/p>\n\n\n\n<p>WebRTC \u662f\u4e00\u500b\u7d50\u5408\u4e86\u700f\u89bd\u5668 API \u548c\u7db2\u8def\u6280\u8853\u7684\u8907\u96dc\u9818\u57df\uff0c\u4f46\u4e86\u89e3 STUN\/TURN \u548c ICE \u7684\u5de5\u4f5c\u539f\u7406\u5c0d\u65bc\u5275\u5efa\u53ef\u9760\u7684\u61c9\u7528\u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u6211\u5011\u5e0c\u671b\u60a8\u80fd\u904b\u7528\u672c\u6587\u7684\u4fe1\u606f\uff0c\u5617\u8a66\u514b\u670d\u60a8\u7522\u54c1\u4e2d\u7684 NAT \u7a7f\u8d8a\u96e3\u984c\u3002\u9019\u6a23\uff0c\u60a8\u7684\u7528\u6236\u5c31\u80fd\u5728\u4e0d\u77e5\u4e0d\u89ba\u4e2d\uff0c\u900f\u904e\u7cbe\u5fc3\u8a2d\u8a08\u7684\u5f8c\u53f0\u9023\u63a5\u8655\u7406\uff0c\u4eab\u53d7\u9806\u66a2\u7684\u6e9d\u901a\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_tw\/wp-json\/wp\/v2\/posts\/11859"}],"collection":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/comments?post=11859"}],"version-history":[{"count":8,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts\/11859\/revisions"}],"predecessor-version":[{"id":11868,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/posts\/11859\/revisions\/11868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/media\/11871"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/media?parent=11859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/categories?post=11859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh_tw\/wp-json\/wp\/v2\/tags?post=11859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}