{"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-luot-luot-sfu","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/vi\/blog\/webrtc-stun-turn-turns-sfu","title":{"rendered":"Gi\u1ea3i th\u00edch chi ti\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a STUN\/TURN\/TURNS\/SFU trong WebRTC"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">WebRTC\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\uff08Web Real-Time Communication\uff09\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u540c\u58eb\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u97f3\u58f0\u30fb\u6620\u50cf\u30fb\u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u6280\u8853\u3067\u3059\u3002\u8ffd\u52a0\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001JavaScript\u306eAPI\u3060\u3051\u3067P2P\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3057\u3066\u3001Google\u3092\u306f\u3058\u3081\u3068\u3057\u305f\u5404\u793e\u306b\u3088\u3063\u3066\u6a19\u6e96\u5316\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u4e3b\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u69cb\u6210\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>getUserMedia<\/strong>\uff1a\u30ab\u30e1\u30e9\u3084\u30de\u30a4\u30af\u306a\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u97f3\u58f0\u30fb\u6620\u50cf\u3092\u53d6\u5f97\u3059\u308bAPI\u3002<\/li><li><strong>RTCPeerConnection<\/strong>\uff1a\u30d4\u30a2\u540c\u58eb\u306e\u901a\u4fe1\u3092\u78ba\u7acb\u3057\u3001\u30e1\u30c7\u30a3\u30a2\u3084\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u30b3\u30a2API\u3002<\/li><li><strong>RTCDataChannel<\/strong>\uff1a\u30d5\u30a1\u30a4\u30eb\u9001\u4fe1\u3084\u30c1\u30e3\u30c3\u30c8\u306a\u3069\u306b\u5229\u7528\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30c1\u30e3\u30cd\u30eb\u3002<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306eAPI\u306b\u3088\u308a\u3001\u30d3\u30c7\u30aa\u901a\u8a71\u3001\u97f3\u58f0\u4f1a\u8b70\u3001\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u306a\u3069\u591a\u304f\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u5b9f\u969b\u306e\u901a\u4fe1\u3067\u306fNAT\u8d8a\u3048\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u554f\u984c\u304c\u3042\u308b\u305f\u3081\u3001STUN\/TURN\/TURNS\u3068\u3044\u3063\u305fNAT\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u6280\u8853\u306e\u7406\u89e3\u3068\u5c0e\u5165\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STUN\u30fbTURN\u30fbTURNS \u306e\u9055\u3044\u3068\u5f79\u5272<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\u3067\u5b89\u5b9a\u3057\u305f\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u63a5\u7d9a\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001NAT\u8d8a\u3048\uff08NAT traversal\uff09\u306e\u4ed5\u7d44\u307f\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a\u6280\u8853\u3067\u3042\u308bSTUN\u3001TURN\u3001\u304a\u3088\u3073TURNS\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u6280\u8853\u7684\u306a\u9055\u3044\u3084\u4f7f\u7528\u30b7\u30fc\u30f3\u3001\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">STUN\u306f\u4e3b\u306bNAT\u74b0\u5883\u4e0b\u3067\u81ea\u5206\u306e\u5916\u90e8\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001TURN\u306f\u76f4\u63a5\u63a5\u7d9a\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u4e2d\u7d99\u30b5\u30fc\u30d0\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u4e00\u65b9TURNS\u306f\u3001TURN\u901a\u4fe1\u3092TLS\u3067\u6697\u53f7\u5316\u3057HTTPS\u3068\u540c\u3058443\u756a\u30dd\u30fc\u30c8\u3067\u884c\u3046\u65b9\u5f0f\u3067\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u53b3\u3057\u3044\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u4e0b\u3067\u306e\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u305e\u308c\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067WebRTC\u901a\u4fe1\u306e\u6210\u529f\u7387\u3068\u54c1\u8cea\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">STUN (UDP) \u306e\u5f79\u5272\u3068\u7279\u5fb4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">STUN\uff08Session Traversal Utilities for NAT\uff09\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e<strong>\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8<\/strong>\u3092\u77e5\u308b\u305f\u3081\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002\u4f8b\u3048\u3070PC\u304cNAT\u914d\u4e0b\u306b\u3042\u308b\u5834\u5408\u3001\u81ea\u5206\u81ea\u8eab\u3067\u306f\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u77e5\u308a\u307e\u305b\u3093\u304c\u3001STUN\u30b5\u30fc\u30d0\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u300c\u5916\u90e8\u304b\u3089\u898b\u305f\u81ea\u5206\u306eIP:\u30dd\u30fc\u30c8\u300d\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u200b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">STUN\u30b5\u30fc\u30d0\u306f\u8a00\u308f\u3070\u93e1\u306e\u3088\u3046\u306a\u5f79\u5272\u3067\u3001\u53d7\u3051\u53d6\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9001\u4fe1\u5143\u60c5\u5831\u3092\u305d\u306e\u307e\u307e\u8fd4\u4fe1\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u81ea\u8eab\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u3068NAT\u306b\u3088\u3063\u3066\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30dd\u30fc\u30c8\u756a\u53f7\uff08Server Reflexive\u5019\u88dc\uff09\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">STUN\u306e\u901a\u4fe1\u306f\u901a\u5e38UDP\u3067\u884c\u308f\u308c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30dd\u30fc\u30c8\u306f3478\u756a\uff08UDP\/3478\uff09\u3067\u3059\u3002UDP\u3067\u306e\u8efd\u91cf\u306a\u5358\u767a\u901a\u4fe1\u3067\u6e08\u3080\u305f\u3081\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5c0f\u3055\u304f\u4f4e\u9045\u5ef6\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d0\u5074\u306e\u8ca0\u8377\u3082\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u200b\u3002\u3057\u305f\u304c\u3063\u3066UDP\u901a\u4fe1\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u74b0\u5883\u3067\u306f\u3001\u307e\u305aSTUN\u306b\u3088\u308bNAT\u8d8a\u3048\u304c\u8a66\u307f\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>STUN\u306e\u4f7f\u7528\u30b7\u30fc\u30f3<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u5b85\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30e2\u30d0\u30a4\u30eb\u56de\u7dda\u306a\u3069\u3001NAT\u8d8a\u3048\u306f\u5fc5\u8981\u3060\u304cUDP\u901a\u4fe1\u81ea\u4f53\u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\u74b0\u5883\u3067\u6709\u52b9\u3067\u3059\u3002STUN\u3067\u304a\u4e92\u3044\u306e\u5916\u90e8IP:\u30dd\u30fc\u30c8\u3092\u53d6\u5f97\u3067\u304d\u308c\u3070\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u540c\u58eb\u304c\u76f4\u63a5\uff08\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\uff09\u901a\u4fe1\u3092\u78ba\u7acb\u3067\u304d\u307e\u3059\u3002\u901a\u4fe1\u7d4c\u8def\u304c\u76f4\u63a5\u306b\u306a\u308b\u5206\u3001\u9045\u5ef6\u304c\u5c11\u306a\u304f\u54c1\u8cea\u3082\u9ad8\u304f\u7dad\u6301\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u30b5\u30fc\u30d0\u306fIP\u60c5\u5831\u306e\u3084\u308a\u53d6\u308a\u3092\u624b\u52a9\u3051\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u30b3\u30b9\u30c8\u3082\u975e\u5e38\u306b\u4f4e\u304f\u6291\u3048\u3089\u308c\u307e\u3059\u200b\u3002\u4f8b\u3048\u3070\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u3084\u30d3\u30c7\u30aa\u901a\u8a71\u3067\u3001\u53cc\u65b9\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u6bd4\u8f03\u7684\u30aa\u30fc\u30d7\u30f3\u306aNAT\u306b\u3044\u308b\u5834\u5408\u3001STUN\u3067\u5341\u5206\u306b\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u63a5\u7d9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">STUN\u306e\u9650\u754c\u3068\u30c7\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">STUN\u306f\u3042\u304f\u307e\u3067\u300c\u81ea\u5206\u306e\u5916\u90e8\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u300d\u305f\u3081\u306e\u624b\u6bb5\u3067\u3042\u308a\u3001NAT\u30bf\u30a4\u30d7\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5236\u7d04\u306b\u3088\u3063\u3066\u306f\u3053\u308c\u3060\u3051\u3067\u306f\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\u3002\u7279\u306b\u30b7\u30f3\u30e1\u30c8\u30ea\u30c3\u30afNAT\uff08\u5bfe\u79f0\u578bNAT\uff09\u3084\u53b3\u683c\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u74b0\u5883\u3067\u306f\u3001STUN\u3067\u5f97\u305f\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u76f8\u624b\u304b\u3089\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u5c4a\u304b\u305a\u901a\u4fe1\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u200b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306fUDP\u901a\u4fe1\u305d\u306e\u3082\u306e\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u3001\u305d\u306e\u5834\u5408STUN\u30ea\u30af\u30a8\u30b9\u30c8\u81ea\u4f53\u304c\u5c4a\u304d\u307e\u305b\u3093\u3002\u8981\u3059\u308b\u306b\u3001STUN\u306f\u300c\u76f4\u63a5\u901a\u4fe1\u304c\u53ef\u80fd\u304b\u3092\u5224\u65ad\u3059\u308b\u300d\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001\u76f4\u63a5\u901a\u4fe1\u304c\u7269\u7406\u7684\u306b\u4e0d\u53ef\u80fd\u306a\u74b0\u5883\u3067\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u200b\u3002\u305d\u306e\u305f\u3081STUN\u306fICE\uff08\u5f8c\u8ff0\uff09\u306b\u304a\u3044\u3066\u7b2c\u4e00\u6bb5\u968e\u306e\u5019\u88dc\u53d6\u5f97\u306b\u4f7f\u308f\u308c\u3001STUN\u3067\u5341\u5206\u3067\u306a\u3044\u5834\u5408\u306b\u306f\u5f8c\u8ff0\u3059\u308bTURN\u3078\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u200b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TURN (UDP) \u306e\u5f79\u5272\u3068\u7279\u5fb4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TURN\uff08Traversal Using Relays around NAT\uff09\u306f\u3001STUN\u3067\u76f4\u63a5\u901a\u4fe1\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u4e2d\u7d99\u30ea\u30ec\u30fc\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002TURN\u30b5\u30fc\u30d0\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u4e2d\u7d99\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u3001\u901a\u4fe1\u76f8\u624b\u3068\u306e\u9593\u306b\u5165\u3063\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fTURN\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u63a5\u7d9a\u3092\u884c\u3044\u3001Relay\u5019\u88dc\u3068\u547c\u3070\u308c\u308b\u4e2d\u7d99\u7528\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4ee5\u5f8c\u3001\u305d\u306eTURN\u30b5\u30fc\u30d0\u7d4c\u7531\u3067\u76f8\u624b\u3068\u306e\u30e1\u30c7\u30a3\u30a2\u3084\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TURN\u3082\u901a\u5e38\u306fUDP\u3067\u901a\u4fe1\u3059\u308b\u305f\u3081\u3001UDP\u3055\u3048\u901a\u308c\u3070\u76f4\u63a5\u901a\u4fe1\u3068\u8fd1\u3044\u5f62\u3067\u30e1\u30c7\u30a3\u30a2\u30d1\u30b1\u30c3\u30c8\u3092\u4e2d\u7d99\u3067\u304d\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306fSTUN\u3068\u540c\u30583478\u756a\u30dd\u30fc\u30c8\uff08UDP\uff09\u3067TURN\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002\u3082\u3057\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30dd\u30ea\u30b7\u30fc\u3067UDP\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u304c\u9650\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001UDP\/443\u306e\u3088\u3046\u306b\u8a31\u53ef\u3055\u308c\u305f\u30dd\u30fc\u30c8\u4e0a\u3067TURN\u3092\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002UDP\u3055\u3048\u4f7f\u3048\u308c\u3070\u3001TCP\u3088\u308a\u3082\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u306e\u9ad8\u3044\u4e2d\u7d99\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">TURN\u306e\u4f7f\u7528\u30b7\u30fc\u30f3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u624b\u3068\u306e\u76f4\u63a5\u63a5\u7d9a\u304c\u3069\u3046\u3057\u3066\u3082\u78ba\u7acb\u3067\u304d\u306a\u3044\u5834\u5408\u306bTURN\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4f8b\u3048\u3070<span class=\"swl-marker mark_blue\">\u4e00\u65b9\u307e\u305f\u306f\u53cc\u65b9\u304c\u4f01\u696d\u306e\u53b3\u683c\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u5185\u306b\u3044\u308b\u5834\u5408\u3084\u3001\u30b7\u30f3\u30e1\u30c8\u30ea\u30c3\u30afNAT\u540c\u58eb\u3067UDP\u30db\u30fc\u30eb\u30d1\u30f3\u30c1\u304c\u5931\u6557\u3059\u308b\u5834\u5408\u3067\u3059\u200b<\/span>\u3002\u3053\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u306fTURN\u30b5\u30fc\u30d0\u3092\u4ecb\u3057\u305f\u30ea\u30ec\u30fc\u306a\u3057\u306b\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u305f\u3081\u3001TURN\u306f\u3044\u308f\u3070\u6700\u5f8c\u306e\u7826\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\u3067\u306f\u5168\u3066\u306e\u30d4\u30a2\u304c\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3059\u304c\u3001\u305d\u308c\u304c\u53f6\u308f\u306a\u3044\u5834\u5408\u3067\u3082TURN\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u901a\u4fe1\u81ea\u4f53\u306f\u7d99\u7d9a\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u904b\u7528\u3067\u306f\u3001\u307e\u305aSTUN\u3067\u76f4\u63a5\u63a5\u7d9a\u3092\u8a66\u307f\u3001\u5931\u6557\u3057\u305f\u6642\u306e\u307fTURN\u30ea\u30ec\u30fc\u306b\u5207\u308a\u66ff\u3048\u308b\u306e\u304c\u4e00\u822c\u7684\u306a\u6226\u7565\u3067\u3059\u3002\u4f8b\u3048\u3070\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8d8a\u3057\u306e\u30d3\u30c7\u30aa\u4f1a\u8b70\u3067\u3001\u304a\u4e92\u3044\u304c\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u81ea\u52d5\u7684\u306bTURN\u30b5\u30fc\u30d0\u7d4c\u7531\u306e\u901a\u4fe1\u306b\u5207\u308a\u66ff\u308f\u308a\u3001\u30e6\u30fc\u30b6\u306f\u610f\u8b58\u305b\u305a\u3068\u3082\u4f1a\u8a71\u3092\u7d9a\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>TURN\u306e\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5927\u306e\u5229\u70b9\u306f\u78ba\u5b9f\u6027\u3067\u3059\u3002\u3069\u3093\u306aNAT\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u74b0\u5883\u3067\u3082\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089TURN\u30b5\u30fc\u30d0\u3078\u306e\u901a\u4fe1\u3055\u3048\u78ba\u7acb\u3067\u304d\u308c\u3070\u6700\u7d42\u7684\u306b\u30d4\u30a2\u9593\u901a\u4fe1\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u307e\u305fTURN\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u4e0aSTUN\u306e\u62e1\u5f35\u3067\u3082\u3042\u308b\u305f\u3081\u3001\u5358\u4e00\u306e\u30b5\u30fc\u30d0\u5b9f\u88c5\uff08\u5f8c\u8ff0\u306ecoturn\u306a\u3069\uff09\u3067STUN\u30ea\u30af\u30a8\u30b9\u30c8\u3068TURN\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4e21\u65b9\u3092\u51e6\u7406\u53ef\u80fd\u3067\u3059\u3002\u4e00\u5ea6\u63a5\u7d9a\u304c\u78ba\u7acb\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u4ee5\u964d\u306e\u30e1\u30c7\u30a3\u30a2\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u3057\u3066\u4e2d\u7d99\u3055\u308c\u308b\u305f\u3081\u3001\u5229\u7528\u8005\u304b\u3089\u898b\u308c\u3070\u591a\u5c11\u306e\u9045\u5ef6\u3092\u9664\u304d\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u901a\u4fe1\u304c\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>TURN\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \u6700\u5927\u306e\u6b20\u70b9\u306f\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u3068\u9045\u5ef6\u3067\u3059\u3002TURN\u3067\u306f\u97f3\u58f0\u3084\u6620\u50cf\u30c7\u30fc\u30bf\u3059\u3079\u3066\u304c\u30b5\u30fc\u30d0\u3092\u7d4c\u7531\u3059\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u5074\u3067\u591a\u5927\u306a\u5e2f\u57df\u3068\u51e6\u7406\u80fd\u529b\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u30701\u5bfe1\u306e\u30d3\u30c7\u30aa\u901a\u8a71\u3067\u7247\u65b9\u54111Mbps\u306e\u5e2f\u57df\u3092\u6d88\u8cbb\u3059\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\u30011000\u30e6\u30fc\u30b6\u304c\u540c\u6642\u5229\u7528\u3059\u308c\u3070\u5358\u7d14\u8a08\u7b97\u30671Gbps\u3082\u306e\u4e2d\u7d99\u5e2f\u57df\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081TURN\u30b5\u30fc\u30d0\u306e\u904b\u7528\u30b3\u30b9\u30c8\u306f\u9ad8\u304f\u3001\u5927\u898f\u6a21\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u591a\u6570\u306eTURN\u4e2d\u7d99\u30b5\u30fc\u30d0\u3092\u7528\u610f\u3057\u30b9\u30b1\u30fc\u30eb\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u901a\u4fe1\u7d4c\u8def\u304c\u9060\u56de\u308a\u306b\u306a\u308b\u3053\u3068\u3067\u9045\u5ef6\u304c\u5897\u52a0\u3057\u3001\u6620\u50cf\u30fb\u97f3\u58f0\u306e\u30bf\u30a4\u30e0\u30e9\u30b0\u3084\u54c1\u8cea\u4f4e\u4e0b\u3092\u62db\u304d\u307e\u3059\u200b\u3002\u3055\u3089\u306b\u3001STUN\u306b\u3088\u308b\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u901a\u4fe1\u306b\u6bd4\u3079\u3066TURN\u7d4c\u7531\u306f\u53b3\u5bc6\u306b\u306f\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u3067\u306f\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u6a5f\u5bc6\u6027\u306e\u89b3\u70b9\u3067\u3082\u82e5\u5e72\u52a3\u308a\u307e\u3059\uff08\u203b\u3068\u306f\u3044\u3048TURN\u30b5\u30fc\u30d0\u3067\u306f\u901a\u5e38\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044RTP\/\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u4e2d\u7d99\u3059\u308b\u3060\u3051\u3067\u5185\u5bb9\u3092\u89e3\u91c8\u3057\u307e\u305b\u3093\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dcf\u3058\u3066\u3001TURN\u306f\u5fc5\u8981\u306a\u5834\u5408\u306b\u9650\u308a\u4f7f\u3046\u3079\u304d\u624b\u6bb5\u3067\u3059\u3002\u5b9f\u969b\u3001\u591a\u304f\u306eWebRTC\u901a\u4fe1\u306fSTUN\u3067\u76f4\u63a5\u63a5\u7d9a\u3067\u304d\u3066\u304a\u308a\u3001Google\u306e\u7d71\u8a08\u3067\u306f\u5168\u4f53\u306e\u7d0486%\u306e\u901a\u8a71\u304c\u30ea\u30ec\u30fc\u4e0d\u8981\uff08\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\uff09\u3067\u6210\u7acb\u3057\u3066\u3044\u308b\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b8b\u308a\u306e\u7d0414%\u306e\u307f\u304cTURN\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b1\u30fc\u30b9\u3067\u3059\u304c\u3001\u305d\u306e14%\u306e\u305f\u3081\u306bTURN\u30a4\u30f3\u30d5\u30e9\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TURNS (TLS over TCP\/443) \u306e\u5f79\u5272\u3068\u7279\u5fb4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TURNS\u3068\u306f\u300cTURN over TLS\u300d\u306e\u7565\u79f0\u3067\u3001TURN\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306e\u4e2d\u7d99\u901a\u4fe1\u3092\u3055\u3089\u306bTLS\uff08Transport Layer Security\uff09\u3067\u6697\u53f7\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5e73\u305f\u304f\u8a00\u3048\u3070<span class=\"swl-marker mark_blue\">TLS\uff08HTTPS\uff09\u3067\u4fdd\u8b77\u3055\u308c\u305fTURN\u901a\u4fe1<\/span>\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408TCP\u306e443\u756a\u30dd\u30fc\u30c8\u4e0a\u3067\u30b5\u30fc\u30d3\u30b9\u3057\u307e\u3059\u3002<span class=\"swl-marker mark_blue\">\u30dd\u30fc\u30c8443\u306fHTTPS\u3068\u540c\u3058\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u3042\u308b\u305f\u3081\u4f01\u696d\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3082\u901a\u904e\u3055\u305b\u3066\u3082\u3089\u3044\u3084\u3059\u304f\u3001\u30d7\u30ed\u30ad\u30b7\u3084\u691c\u95b2\u3092\u56de\u907f\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u5916\u90e8\u3078\u306e\u901a\u4fe1\u306f80\u756a\u3068443\u756a\u3057\u304b\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u3067\u3082443\u756a\u3067TLS\u901a\u4fe1\u3092\u884c\u3046TURN\u30b5\u30fc\u30d0\u3067\u3042\u308c\u3070\u901a\u904e\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u52a0\u3048\u3066TLS\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u901a\u4fe1\u5185\u5bb9\u306f\u7b2c\u4e09\u8005\u304b\u3089\u508d\u53d7\u3055\u308c\u306b\u304f\u304f\u30bb\u30ad\u30e5\u30a2\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\u3067\u306f\u8a2d\u5b9a\u4e0a<code>\"urls\": \"turns:\u30bf\u30fc\u30f3\u30b5\u30fc\u30d0:443\"<\/code>\u306e\u3088\u3046\u306bURI\u30b9\u30ad\u30fc\u30e0\u306b<code>turns:<\/code>\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306eTLS\u6697\u53f7\u5316\u3055\u308c\u305fTURN\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">TURNS\u306e\u4f7f\u7528\u30b7\u30fc\u30f3<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u53b3\u3057\u3044\u5236\u9650\u4e0b\u3067\u306eWebRTC\u901a\u4fe1\u306b\u304a\u3044\u3066\u3001\u4ed6\u306e\u624b\u6bb5\u304c\u3059\u3079\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\u5834\u5408\u306bTURNS\u304c\u6d3b\u8e8d\u3057\u307e\u3059\u3002UDP\u306e\u3059\u3079\u3066\u3084TCP\u306e\u4e00\u822c\u30dd\u30fc\u30c8\u304c\u5c01\u9396\u3055\u308c\u3066\u3044\u308b\u74b0\u5883\u3067\u3082\u3001HTTPS\u901a\u4fe1\u3068\u540c\u69d8\u306e\u6271\u3044\u3067\u3042\u308c\u3070\u8a31\u53ef\u3059\u308b\u3068\u3044\u3046\u65b9\u91dd\u306f\u591a\u3044\u305f\u3081\u3001TLS 443\u30dd\u30fc\u30c8\u4e0a\u306eTURN\u306f\u4e8b\u5b9f\u4e0a\u6700\u5f8c\u306e\u624b\u6bb5\u3068\u3057\u3066\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u516c\u8846\u7121\u7ddaLAN\u7b49\u3067\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u304c\u9589\u3058\u3066\u3044\u308b\u72b6\u6cc1\u3084\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u3069\u3046\u3057\u3066\u3082TLS\u901a\u4fe1\u3057\u304b\u884c\u3048\u306a\u3044\u5834\u5408\u306b\u3082\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u8981\u3059\u308b\u306b\u300c<span class=\"swl-marker mark_blue\">\u307e\u305aUDP\u3001\u305d\u308c\u304c\u3060\u3081\u306a\u3089TCP\u3001\u305d\u308c\u3082\u3060\u3081\u306a\u3089TLS\u3067443\u3078<\/span>\u300d\u3068\u3044\u3046\u6bb5\u968e\u7684\u306a\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u6700\u7d42\u6bb5\u3068\u3057\u3066\u4f4d\u7f6e\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">TURNS\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8010\u6027\u306e\u9ad8\u3055\u304c\u6700\u5927\u306e\u5229\u70b9\u3067\u3059\u3002TLS\u306e\u6697\u53f7\u5316\u901a\u4fe1\u306f\u4e00\u822c\u7684\u306aHTTPS\u3068\u533a\u5225\u304c\u4ed8\u304d\u306b\u304f\u3044\u305f\u3081\u3001\u53b3\u683c\u306a\u30d5\u30a3\u30eb\u30bf\u3067\u3082\u901a\u904e\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u7279\u306bWeb\u4f1a\u8b70\u30b7\u30b9\u30c6\u30e0\u3092\u4f01\u696d\u5c0e\u5165\u3059\u308b\u5834\u5408\u3001\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5916\u90e8\u3078\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3057\u3066\u3082\u3089\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001TCP\/443\u3067\u306eTLS\u901a\u4fe1\u3067\u3042\u308c\u3070\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u4e0a\u53d7\u3051\u5165\u308c\u3089\u308c\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4e2d\u7d99\u30b5\u30fc\u30d0\u3078\u306e\u901a\u4fe1\u81ea\u4f53\u306e\u79d8\u533f\u6027\u3082\u78ba\u4fdd\u3067\u304d\u307e\u3059\uff08\u203b\u305f\u3060\u3057\u6620\u50cf\u7b49\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u305d\u306e\u3082\u306e\u306f\u591a\u304f\u306e\u5834\u5408WebRTC\u30ec\u30a4\u30e4\u3067\u65e2\u306b\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">TURNS\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5927\u306e\u6b20\u70b9\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u3067\u3059\u3002TURN\u81ea\u4f53\u306e\u9045\u5ef6\u30fb\u8ca0\u8377\u306b\u52a0\u3048\u3066\u3001TLS\u3068TCP\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u52a0\u7b97\u3055\u308c\u307e\u3059\u3002TCP\u306f\u4fe1\u983c\u6027\u8f38\u9001\u306e\u305f\u3081\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u6642\u306b\u518d\u9001\u6a5f\u69cb\u304c\u50cd\u304d\u307e\u3059\u304c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30e1\u30c7\u30a3\u30a2\u306b\u306f\u4e0d\u5411\u304d\u3067\u3001\u30ed\u30b9\u304c\u767a\u751f\u3059\u308b\u3068\u6620\u50cf\u30fb\u97f3\u58f0\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u518d\u751f\u3055\u308c\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305fTCP\u306f\u30d1\u30b1\u30c3\u30c8\u9806\u5e8f\u5236\u5fa1\u306e\u305f\u3081\u306b\u30d8\u30c3\u30c9\u30aa\u30d6\u30e9\u30a4\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u304c\u8d77\u3053\u308a\u3084\u3059\u304f\u3001<span class=\"swl-marker mark_blue\">UDP\u3068\u6bd4\u3079\u3066\u30b8\u30c3\u30bf\uff08\u3086\u3089\u304e\uff09\u3082\u5897\u5927\u3057\u307e\u3059<\/span>\u3002\u3055\u3089\u306bTLS\u6697\u53f7\u5316\u30fb\u5fa9\u53f7\u51e6\u7406\u306b\u3088\u308bCPU\u8ca0\u8377\u3082\u52a0\u308f\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5b9f\u6e2c\u306750ms\u4ee5\u4e0a\u306e\u8ffd\u52a0\u9045\u5ef6\u304c\u767a\u751f\u3057\u3001\u30e6\u30fc\u30b6\u306b\u3082\u4f53\u611f\u3067\u304d\u308b\u30e9\u30b0\u304c\u751f\u3058\u308b\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u30d3\u30c7\u30aa\u4f1a\u8b70\u3067\u306f\u3053\u306e\u9045\u5ef6\u5897\u52a0\u306b\u3088\u308a\u4f1a\u8a71\u306e\u30c6\u30f3\u30dd\u304c\u60aa\u304f\u306a\u3063\u305f\u308a\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u30ba\u30ec\u304c\u9855\u8457\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306bTURNS\u306f\u54c1\u8cea\u9762\u3067\u306f\u300c\u6700\u7d42\u624b\u6bb5\u300d\u3068\u8a00\u3048\u308b\u624b\u6cd5\u3067\u3059\u304c\u3001\u901a\u4fe1\u3092\u6210\u7acb\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u80cc\u306b\u8179\u306f\u4ee3\u3048\u3089\u308c\u306a\u3044\u72b6\u6cc1\u3067\u983c\u308a\u306b\u306a\u308b\u547d\u7db1\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u8fd1\u5e74\u3067\u306fUDP 443\u756a\u3067\u52d5\u4f5c\u3057TLS\u306e\u4ee3\u308f\u308a\u306bDTLS\/QUIC\u306a\u3069\u3092\u4f7f\u3063\u305f\u65b0\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\uff08TURN over QUIC\uff09\u3082\u691c\u8a0e\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6a19\u6e96\u5316\u9014\u4e0a\u3067\u3042\u308a\u4e00\u822c\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UDP STUN 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class=\"wp-block-list\"><li><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304cSTUN\u30b5\u30fc\u30d0\u3078\u5916\u90e8IP\u554f\u3044\u5408\u308f\u305b\uff08UDP\/3478\uff09\u3092\u9001\u4fe1:<\/strong><br>WebRTC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u306f<code>iceServers<\/code>\u3067\u6307\u5b9a\u3055\u308c\u305fSTUN\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3001UDP\u30dd\u30fc\u30c83478\u7d4c\u7531\u3067Binding Request\uff08\u5916\u90e8\u30a2\u30c9\u30ec\u30b9\u78ba\u8a8d\u306e\u8981\u6c42\uff09\u3092\u9001\u308a\u307e\u3059\u3002\u3053\u308c\u306fICE\u5019\u88dc\u53ce\u96c6\u306e\u6700\u521d\u306e\u6bb5\u968e\u3067\u884c\u308f\u308c\u3001\u6210\u529f\u3059\u308c\u3070\u30b5\u30fc\u30d0\u304b\u3089\u81ea\u8eab\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u304c\u8fd4\u3055\u308c\u3001Server Reflexive Candidate\uff08srflx\u5019\u88dc\uff09\u3068\u3057\u3066\u5019\u88dc\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u200b\u3002<\/li><li><strong>UDP\u30d1\u30b1\u30c3\u30c8\u304c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u906e\u65ad\u3055\u308c\u5fdc\u7b54\u306a\u3057:<\/strong><br>\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306b\u3088\u308aUDP\u901a\u4fe1\u304c\u5916\u90e8\u307e\u3067\u5c4a\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001STUN\u30b5\u30fc\u30d0\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u30b5\u30fc\u30d0\u306b\u5c4a\u304b\u306a\u3044\u304b\u3001\u3042\u308b\u3044\u306f\u8fd4\u7b54\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u307e\u3067\u623b\u3063\u3066\u304d\u307e\u305b\u3093\u3002\u7d50\u679c\u3068\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f<strong>STUN\u5fdc\u7b54\u3092\u53d7\u4fe1\u3067\u304d\u305a<\/strong>\u3001\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002ICE\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u4e00\u5b9a\u6642\u9593\u5fdc\u7b54\u3092\u5f85\u6a5f\u3057\u307e\u3059\u304c\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8fce\u3048\u307e\u3059\u3002\u30e6\u30fc\u30b6\u304b\u3089\u898b\u308c\u3070\u3001\u3053\u306e\u6642\u70b9\u3067\u306f\u307e\u3060\u63a5\u7d9a\u51e6\u7406\u4e2d\u3067\u3042\u308a\u7279\u306b\u30a8\u30e9\u30fc\u8868\u793a\u306f\u51fa\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f<strong>\u5019\u88dc\u53ce\u96c6\u306b\u5931\u6557<\/strong>\u3057\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/li><li><strong>Server Reflexive\u5019\u88dc\u304c\u5f97\u3089\u308c\u306a\u3044\u305f\u3081ICE\u306e\u76f4\u63a5\u63a5\u7d9a\u30c1\u30a7\u30c3\u30af\u304c\u5931\u6557:<\/strong><br>\u901a\u5e38\u3001STUN\u304c\u6210\u529f\u3057\u3066\u3044\u308c\u3070\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fHost\u5019\u88dc\uff08\u81ea\u5206\u306e\u30ed\u30fc\u30ab\u30ebIP\uff09\u306b\u52a0\u3048\u3066Server Reflexive\u5019\u88dc\uff08\u81ea\u5206\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\uff09\u3092\u6301\u3061\u3001\u9060\u7aef\u30d4\u30a2\u306e\u540c\u7a2e\u306e\u5019\u88dc\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u63a5\u7d9a\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u307e\u3059\u3002\u3057\u304b\u3057STUN\u5931\u6557\u306b\u3088\u308a\u30b0\u30ed\u30fc\u30d0\u30ebIP\u5019\u88dc\u304c\u7121\u3044\u5834\u5408\u3001<strong>\u76f4\u63a5\u30d4\u30a2\u9593\u63a5\u7d9a\u306e\u5019\u88dc\u304c\u6975\u7aef\u306b\u9650\u5b9a<\/strong>\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u4e21\u8005\u3068\u3082\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u3057\u304b\u6301\u305f\u306a\u3044\u72b6\u614b\u3067\u306f\u3001\u4e92\u3044\u306b\u63a5\u7d9a\u8a66\u884c\u3057\u3066\u3082\u5c4a\u304d\u307e\u305b\u3093\u3002\u7d50\u679c\u3001ICE\u306f\u300c\u76f4\u901a\u3067\u306f\u7121\u7406\u300d\u3068\u5224\u65ad\u3057\u307e\u3059\u3002\u3082\u3057ICE\u30b5\u30fc\u30d0\uff08TURN\uff09\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u3053\u306e\u6bb5\u968e\u3067ICE\u5168\u4f53\u304c\u5931\u6557\u6271\u3044\u3068\u306a\u308a\u3001WebRTC\u63a5\u7d9a\u306f\u6210\u7acb\u3057\u307e\u305b\u3093\uff08\u958b\u767a\u8005\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u306f<code>ICE failed<\/code>\u3084<code>ICE connection state: failed<\/code>\u7b49\u306e\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u3059\uff09\u3002<\/li><li><strong>TURN\u30ea\u30ec\u30fc\u5019\u88dc\u306e\u53d6\u5f97\u3092\u8a66\u884c\uff08TCP\/TLS\/443\u7d4c\u7531\uff09:<\/strong><br>STUN\u306b\u3088\u308b\u76f4\u63a5\u5019\u88dc\u53d6\u5f97\u304c\u5931\u6557\u3057\u3066\u3082\u3001<code>iceServers<\/code>\u306bTURN\u30b5\u30fc\u30d0\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070ICE\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f<strong>\u6b21\u306e\u624b\u6bb5<\/strong>\u306b\u79fb\u308a\u307e\u3059\u3002\u4eca\u56de\u306e\u60f3\u5b9a\u3067\u306fUDP\u304c\u901a\u3058\u306a\u3044\u305f\u3081\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fTURN\u30b5\u30fc\u30d0\u3078\u306e\u63a5\u7d9a\u3092TCP\u3042\u308b\u3044\u306fTLS\u3067\u8a66\u307f\u307e\u3059\uff08\u4f8b\u3048\u3070<code>turns:turn.example.com:443<\/code>\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u958b\u59cb\u3057\u307e\u3059\uff09\u3002\u5e78\u3044\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306fTCP 443\u306eHTTPS\u901a\u4fe1\u306f\u8a31\u53ef\u3057\u3066\u3044\u305f\u305f\u3081\u3001TLS\u306b\u3088\u308bTURN\u63a5\u7d9a\u306f\u6210\u529f\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fTURN\u30b5\u30fc\u30d0\u4e0a\u306b\u4e2d\u7d99\u7528\u306e\u30ea\u30ec\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u4fdd\u3057\u3001<strong>Relay Candidate<\/strong>\uff08relay\u5019\u88dc\uff09\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u300cTURN\u30b5\u30fc\u30d0\u7d4c\u7531\u3067\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u4eee\u60f3\u7684\u306a\u5019\u88dc\u5148\u300d\u3067\u3059\u3002\u4e00\u65b9\u3001\u901a\u4fe1\u76f8\u624b\u5074\uff08\u30ea\u30e2\u30fc\u30c8\u5074\uff09\u3082\u540c\u69d8\u306b\u30ea\u30ec\u30fc\u5019\u88dc\u3092\u53d6\u5f97\u3059\u308b\u304b\u3001\u305d\u3082\u305d\u3082\u554f\u984c\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3042\u308c\u3070\u76f4\u63a5\u5019\u88dc\u3084STUN\u5019\u88dc\u3092\u6301\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u3044\u305a\u308c\u306b\u305b\u3088\u3001\u5c11\u306a\u304f\u3068\u3082\u7247\u5074\u304c\u30ea\u30ec\u30fc\u5019\u88dc\u3092\u6301\u3066\u3070\u76f8\u624b\u306f\u305d\u306eTURN\u30b5\u30fc\u30d0\u306b\u5411\u3051\u3066\u63a5\u7d9a\u3092\u8a66\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li><li><strong>\u30ea\u30ec\u30fc\u7d4c\u7531\u306eICE\u63a5\u7d9a\u78ba\u7acb\uff08\u307e\u305f\u306f\u6700\u7d42\u7684\u306a\u5931\u6557\uff09:<\/strong><br>\u4e21\u30d4\u30a2\u304c\u5229\u7528\u53ef\u80fd\u306a\u5019\u88dc\uff08\u3053\u306e\u4f8b\u3067\u306f\u4e00\u65b9\u307e\u305f\u306f\u53cc\u65b9\u306erelay\u5019\u88dc\uff09\u3092\u5165\u624b\u3059\u308b\u3068\u3001ICE\u306f\u305d\u308c\u3089\u3092\u7528\u3044\u3066\u63a5\u7d9a\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u307e\u3059\u3002TURN\u30b5\u30fc\u30d0\u7d4c\u7531\u306e\u901a\u4fe1\u306f\u4e00\u65e6\u30b5\u30fc\u30d0\u3068\u306e\u9593\u3067\u78ba\u7acb\u3059\u308c\u3070\u4e2d\u7d99\u304c\u53ef\u80fd\u306a\u306e\u3067\u3001\u30d4\u30a2\u9593\u3067\u76f4\u63a5UDP\u304c\u901a\u3089\u306a\u304f\u3066\u3082\u30e1\u30c7\u30a3\u30a2\u30c1\u30e3\u30cd\u30eb\u304c\u958b\u901a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30e6\u30fc\u30b6\u540c\u58eb\u306e\u6620\u50cf\u30fb\u97f3\u58f0\u901a\u4fe1\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u63a5\u7d9a\u78ba\u7acb\u5f8c\u306fTLS\u4e0a\u306eTCP\u3068\u3044\u3046\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u4f1a\u8a71\u81ea\u4f53\u306f\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u3082\u3057\u3053\u3053\u3067\u3082\u5931\u6557\u3059\u308b\uff08\u4f8b\u3048\u3070\u4f01\u696d\u30d7\u30ed\u30ad\u30b7\u304c\u975eHTTP\u306eTLS\u901a\u4fe1\u3092\u691c\u77e5\u3057\u3066\u906e\u65ad\u3057\u305f\u3001TURN\u30b5\u30fc\u30d0\u306e\u8a8d\u8a3c\u306b\u5931\u6557\u3057\u305f\u7b49\uff09\u5834\u5408\u3001\u6b8b\u5ff5\u306a\u304c\u3089ICE\u7dcf\u5408\u5931\u6557\uff08ICE failed\uff09\u3068\u306a\u308a\u63a5\u7d9a\u306f\u65ad\u5ff5\u3055\u308c\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u306f\u3053\u306e\u72b6\u6cc1\u3092\u691c\u77e5\u3057\u3001\u30e6\u30fc\u30b6\u306b\u300c\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u306a\u3069\u3068\u901a\u77e5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u304c\u3001UDP\u304c\u4f7f\u3048\u306a\u3044\u53b3\u3057\u3044\u74b0\u5883\u4e0b\u306b\u304a\u3051\u308bICE\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u6d41\u308c\u3067\u3059\u3002\u8981\u7d04\u3059\u308c\u3070\u3001\u300c\u30db\u30b9\u30c8\u2192STUN\u2192TURN\u300d\u306e\u9806\u306b\u5019\u88dc\u3092\u8a66\u3057\u3001\u305d\u308c\u3067\u3082\u30c0\u30e1\u306a\u3089\u63a5\u7d9a\u5931\u6557\u3068\u306a\u308a\u307e\u3059\u3002\u958b\u767a\u8005\u306f\u3053\u306e\u6319\u52d5\u3092\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u6700\u4f4e\u3067\u3082TURN\/TURNS\u30b5\u30fc\u30d0\u3092ICE\u30b5\u30fc\u30d0\u30ea\u30b9\u30c8\u306b\u5165\u308c\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u6700\u60aa\u306e\u30b1\u30fc\u30b9\u3067\u3082\u901a\u4fe1\u304c\u6210\u7acb\u3059\u308b\u53ef\u80fd\u6027\u3092\u6b8b\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30b6\u304b\u3089\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u305f\u969b\u306b\u306f\u300cICE failed\u3068\u51fa\u308b\u300d\u3068\u3044\u3063\u305f\u60c5\u5831\u304b\u3089\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306e\u554f\u984c\uff08UDP\u906e\u65ad\u306a\u3069\uff09\u3092\u63a8\u6e2c\u3057\u3001TURN\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u6f0f\u308c\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">coturn\u3092\u4f7f\u3063\u305fSTUN\/TURN\/TURNS\u30b5\u30fc\u30d0\u306e\u69cb\u7bc9\u3068\u8a2d\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u524d\u3067STUN\/TURN\u30b5\u30fc\u30d0\u3092\u7acb\u3066\u308b\u5834\u5408\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u5b9f\u88c5\u3067\u3042\u308b <strong><a href=\"https:\/\/github.com\/coturn\/coturn\" data-type=\"URL\" data-id=\"https:\/\/github.com\/coturn\/coturn\">coturn<\/a><\/strong>\uff08\u30b3\u30bf\u30fc\u30f3\uff09\u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002coturn\u306fSTUN\u3068TURN\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u305f\u30b5\u30fc\u30d0\u5b9f\u88c5\u3067\u3001\u8a2d\u5b9a\u6b21\u7b2c\u3067TURNS (TLS)\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306fLinux\u30b5\u30fc\u30d0\u4e0a\u306bcoturn\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001STUN\/TURN\/TURNS\u3092\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806\u3068\u8a2d\u5b9a\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u4ee3\u8868\u7684\u306a\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\uff08<code>turnserver.conf<\/code>\uff09\u306e\u4f8b\u3082\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u57fa\u672c\u8a2d\u5b9a<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ubuntu\u3084Debian\u306e\u5834\u5408\u3001<code>apt<\/code>\u304b\u3089coturn\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><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 class=\"wp-block-paragraph\">\u4e0a\u8a18\u306b\u3088\u308acoturn\u30b5\u30fc\u30d0\u304c\u30c7\u30fc\u30e2\u30f3\u3068\u3057\u3066\u8d77\u52d5\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb <code>\/etc\/turnserver.conf<\/code> \u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u306e\u3067\u3001\u7d9a\u3044\u3066\u3053\u308c\u3092\u7de8\u96c6\u3057\u3066\u3044\u304d\u307e\u3059\uff08\u5ff5\u306e\u305f\u3081\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u53d6\u3063\u3066\u304b\u3089\u7de8\u96c6\u3057\u307e\u3057\u3087\u3046\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u57fa\u672c\u8a2d\u5b9a<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> <code>turnserver.conf<\/code>\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9805\u76ee\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li class=\"\"><strong>realm\uff08\u30ec\u30eb\u30e0\uff09\u3068server-name:<\/strong> TURN\u30b5\u30fc\u30d0\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3084\u8b58\u5225\u540d\u3067\u3059\u3002WebRTC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a8d\u8a3c\u6642\u306b\u5229\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306b\u306f\u4efb\u610f\u306e\u6587\u5b57\u5217\u3067\u69cb\u3044\u307e\u305b\u3093\u3002\u4f8b: <code>realm=example.com<\/code>\uff0c<code>server-name=example.com<\/code>\u3002<\/li><li class=\"\"><strong>listening-port:<\/strong> TURN\u304a\u3088\u3073STUN\u3067\u5f85\u3061\u53d7\u3051\u308bUDP\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f3478\u756a\u3067\u3059\u3002<code>listening-ip<\/code>\u3067\u7279\u5b9a\u306eNIC\u306b\u30d0\u30a4\u30f3\u30c9\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u901a\u5e38\u306f<code>0.0.0.0<\/code>\u3067\u5168\u3066\u53d7\u3051\u4ed8\u3051\u307e\u3059\u3002<\/li><li class=\"\"><strong>tls-listening-port:<\/strong> TLS\u7528\uff08TURNS\u7528\uff09\u306b\u5f85\u3061\u53d7\u3051\u308bTCP\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u3059\u3002\u4e00\u822c\u7684\u306b\u306f443\u756a\u30845349\u756a\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b: <code>tls-listening-port=443<\/code>\u3002<\/li><li class=\"\"><strong>external-ip:<\/strong> \u30b5\u30fc\u30d0\u81ea\u8eab\u304cNAT\u306e\u5185\u5074\u306b\u3044\u308b\u5834\u5408\u3001\u81ea\u8eab\u306e\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u6307\u5b9a\u3057\u307e\u3059\uff08\u3053\u308c\u306b\u3088\u308a\u5185\u90e8IP\u3068\u5916\u90e8IP\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u8a8d\u8b58\u3055\u305b\u307e\u3059\uff09\u3002\u76f4\u63a5\u30b0\u30ed\u30fc\u30d0\u30ebIP\u3092\u6301\u3064\u30b5\u30fc\u30d0\u306a\u3089\u4e0d\u8981\u3067\u3059\u3002<\/li><li class=\"\"><strong>\u8a8d\u8a3c\u65b9\u5f0f:<\/strong> WebRTC\u306eTURN\u5229\u7528\u306b\u306f\u9577\u671f\u8a8d\u8a3c\uff08Long-Term Credential\uff09\u304c\u4f7f\u308f\u308c\u308b\u305f\u3081\u3001<code>lt-cred-mech<\/code>\uff08Long Term Credential Mechanism\uff09\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u4e0a\u3067<code>user=username:password<\/code>\u306e\u5f62\u5f0f\u3067\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u304b\u3001<code>use-auth-secret<\/code>\u3092\u7528\u3044\u3066\u52d5\u7684\u306a\u8a8d\u8a3c\u3092\u884c\u3044\u307e\u3059\uff08\u5f8c\u8005\u306f\u30c8\u30fc\u30af\u30f3\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306b\u6709\u52b9\u3067\u3059\u304c\u3053\u3053\u3067\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u9759\u7684\u30e6\u30fc\u30b6\u8a8d\u8a3c\u3092\u4f8b\u793a\u3057\u307e\u3059\uff09\u3002<\/li><li class=\"\"><strong>\u30ed\u30b0\u8a2d\u5b9a:<\/strong> \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u306e\u305f\u3081<code>log-file<\/code>\u3067\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3001<code>verbose<\/code>\u3067\u8a73\u7d30\u30ed\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u5074\u3067\u306fSTUN\/TURN\u7528\u306b<strong>UDP\u30dd\u30fc\u30c83478<\/strong>\u3001\u304a\u3088\u3073TURN\/TLS\u7528\u306b<strong>TCP\u30dd\u30fc\u30c8443<\/strong>\uff08\u307e\u305f\u306f5349\uff09\u3092\u958b\u653e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u200b\u3002\u3055\u3089\u306bTURN\u4e2d\u7d99\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067UDP 10000-20000\u756a\u306e\u7bc4\u56f2\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u30dd\u30fc\u30c8\u7bc4\u56f2\u3082\u30b5\u30fc\u30d0\u3067\u958b\u653e\u3057\u307e\u3059\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066<code>min-port<\/code>\u3068<code>max-port<\/code>\u3067\u30ec\u30f3\u30b8\u5909\u66f4\u53ef\u80fd\u3067\u3059\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306b\u3001\u4e0a\u8a18\u306e\u57fa\u672c\u8a2d\u5b9a\u3092\u53cd\u6620\u3057\u305f<code>\/etc\/turnserver.conf<\/code>\u306e\u4e00\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><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 class=\"wp-block-paragraph\">\u4e0a\u8a18\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3<code>example.com<\/code>\u3067Let&#8217;s Encrypt\u306e\u8a3c\u660e\u66f8\u3092\u53d6\u5f97\u3057\u3066TLS\u8a2d\u5b9a\u306b\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<code>lt-cred-mech<\/code>\u3067\u9577\u671f\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3057\u3001<code>user<\/code>\u306b\u3088\u308a\u5358\u7d14\u306a\u30e6\u30fc\u30b6\u540d\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u904b\u7528\u3067\u306f<code>use-auth-secret<\/code>\u3068<code>static-auth-secret<\/code>\u3092\u4f7f\u3044\u3001\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3067\u4e00\u6642\u7684\u306a\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u3092\u767a\u884c\u3059\u308b\u65b9\u6cd5\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u5272\u611b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>TLS\u5229\u7528\u6642\u306e\u6ce8\u610f<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Coturn\u3092443\u756a\u30dd\u30fc\u30c8\u3067\u52d5\u4f5c\u3055\u305b\u308b\u5834\u5408\u3001Linux\u74b0\u5883\u3067\u306f\u30dd\u30fc\u30c8\u6a29\u9650\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u30021024\u756a\u672a\u6e80\u306e\u30dd\u30fc\u30c8\u306f\u7279\u6a29\u30dd\u30fc\u30c8\u3068\u547c\u3070\u308c\u901a\u5e38\u306froot\u6a29\u9650\u3067\u306a\u3044\u3068\u958b\u3051\u307e\u305b\u3093\u3002Ubuntu\u306ecoturn\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067<code>turnserver<\/code>\u30e6\u30fc\u30b6\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u307e\u307e\u3067\u306f443\u756a\u3092\u30d0\u30a4\u30f3\u30c9\u3067\u304d\u307e\u305b\u3093\u3002\u5bfe\u51e6\u65b9\u6cd5\u3068\u3057\u3066\u3001<code>\/etc\/default\/coturn<\/code>\u3067\u5b9f\u884c\u30e6\u30fc\u30b6\u3092root\u306b\u5909\u66f4\u3059\u308b\u304b\u3001<code>setcap<\/code>\u30b3\u30de\u30f3\u30c9\u3067<code>turnserver<\/code>\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306b<code>cap_net_bind_service<\/code>\u6a29\u9650\u3092\u4e0e\u3048\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u200b\u3002\u4f8b\u3048\u3070\u5f8c\u8005\u306e\u5834\u5408\u3001<code>sudo setcap cap_net_bind_service=+ep \/usr\/bin\/turnserver<\/code>\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u975eroot\u3067\u3082\u4f4e\u756a\u53f7\u30dd\u30fc\u30c8\u3092\u30d0\u30a4\u30f3\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u8a3c\u660e\u66f8\u30d5\u30a1\u30a4\u30eb\uff08cert\/pkey\uff09\u306f\u6b63\u3057\u3044\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u6a29\u9650\u3082coturn\u30e6\u30fc\u30b6\u304c\u8aad\u3081\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u5b9a\u5909\u66f4\u5f8c\u306f<code>sudo systemctl restart coturn<\/code>\u3067\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3001\u30ed\u30b0\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u52d5\u4f5c\u78ba\u8a8d<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Coturn\u30b5\u30fc\u30d0\u3092\u8d77\u52d5\u3057\u305f\u3089\u3001\u52d5\u4f5c\u78ba\u8a8d\u3068\u3057\u3066STUN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3063\u305f\u30c6\u30b9\u30c8\u3084\u3001\u5b9f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u306eWebRTC\u30a2\u30d7\u30ea\u304b\u3089ICE\u63a5\u7d9a\u3092\u8a66\u307f\u3066\u307f\u307e\u3059\u3002Linux\u306a\u3089<code>stunclient<\/code>\u30b3\u30de\u30f3\u30c9\uff08<code>apt-get install stun-client<\/code>\u3067\u5c0e\u5165\u53ef\u80fd\uff09\u3067<code>stunclient &lt;\u30b5\u30fc\u30d0IP&gt; 3478<\/code>\u306e\u3088\u3046\u306b\u5b9f\u884c\u3059\u308b\u3068\u3001\u81ea\u5206\u306e\u5916\u90e8IP\u304c\u53d6\u5f97\u3067\u304d\u308b\u304b\u8a66\u305b\u307e\u3059\u3002\u307e\u305f\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u958b\u767a\u8005\u30c4\u30fc\u30eb\u306e\u30ed\u30b0\u306bICE\u5019\u88dc\u304c\u5217\u6319\u3055\u308c\u308b\u306e\u3067\u3001<code>srflx<\/code>\uff08Server Reflexive\uff09\u5019\u88dc\u3084<code>relay<\/code>\u5019\u88dc\u304c\u5f97\u3089\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e07\u4e00\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li class=\"\">\u30b5\u30fc\u30d0\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\uff08iptables\u3084\u30af\u30e9\u30a6\u30c9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\uff09\u3067\u5fc5\u8981\u306a\u30dd\u30fc\u30c8\u304c\u958b\u653e\u3055\u308c\u3066\u3044\u308b\u304b\u3002<\/li><li class=\"\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306eICE\u30b5\u30fc\u30d0\u8a2d\u5b9a\uff08\u5f8c\u8ff0\uff09\u3067\u6b63\u3057\u3044URI\u3001\u30dd\u30fc\u30c8\u3001\u8a8d\u8a3c\u60c5\u5831\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3002<\/li><li class=\"\"><code>turnserver.conf<\/code>\u306e<code>realm<\/code>\u8a2d\u5b9a\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a8d\u8a3c\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\uff08\u30d6\u30e9\u30a6\u30b6\u7248WebRTC\u3067\u306f\u81ea\u52d5\u7684\u306brealm\u3092\u4ed8\u4e0e\u3059\u308b\u5b9f\u88c5\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u901a\u5e38\u554f\u984c\u306b\u306a\u308a\u307e\u305b\u3093\u304c\u3001\u30ab\u30b9\u30bf\u30e0\u5b9f\u88c5\u306e\u5834\u5408\u6ce8\u610f\uff09\u3002<\/li><li class=\"\">coturn\u306e\u30ed\u30b0 (<code>\/var\/log\/turnserver.log<\/code>) \u3092\u78ba\u8a8d\u3057\u3001\u8a8d\u8a3c\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u306a\u3044\u304b\uff08<code>WRONG USER<\/code>\u7b49\u306e\u30a8\u30e9\u30fc\u304c\u3042\u308b\u5834\u5408\u306fusername\/password\u306e\u4e0d\u4e00\u81f4\uff09\u3002<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u306e\u8a2d\u5b9a\u304c\u9069\u5207\u3067\u3042\u308c\u3070\u3001\u81ea\u524d\u306eSTUN\/TURN\/TURNS\u30b5\u30fc\u30d0\u304c\u7a3c\u50cd\u3057\u3001\u69d8\u3005\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u4e0b\u3067WebRTC\u63a5\u7d9a\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WebRTC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306eICE\u30b5\u30fc\u30d0\u8a2d\u5b9a\u4f8b\uff08JavaScript\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306bWebRTC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u306e\u5074\u3067\u3001\u5148\u307b\u3069\u69cb\u7bc9\u3057\u305fSTUN\/TURN\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001<strong>ICE\u30b5\u30fc\u30d0\uff08ICE Servers\uff09\u8a2d\u5b9a<\/strong>\u3092\u884c\u3044\u307e\u3059\u3002JavaScript\u306eWebRTC API\u3067\u306f\u3001<code>RTCPeerConnection<\/code>\u3092\u751f\u6210\u3059\u308b\u969b\u306bSTUN\/TURN\u30b5\u30fc\u30d0\u306e\u30ea\u30b9\u30c8\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u3001STUN\/TURN\/TURNS\u5168\u3066\u3092\u6307\u5b9a\u3057\u305f\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u793a\u3057\u3001\u305d\u306e\u610f\u5473\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u3001ICE\u30b5\u30fc\u30d0\u7528\u306e\u8a2d\u5b9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u81ea\u524d\u30b5\u30fc\u30d0\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092<code>turn.example.com<\/code>\uff08\u9069\u5b9c\u7f6e\u304d\u63db\u3048\uff09\u3068\u3057\u3001STUN\u306f\u8a8d\u8a3c\u4e0d\u8981\u306a\u306e\u3067URI\u3060\u3051\u3001TURN\/TURNS\u306f\u8a8d\u8a3c\u304c\u5fc5\u8981\u306a\u306e\u3067\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3082\u542b\u3081\u3066\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><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 class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e<code>iceServers<\/code>\u914d\u5217\u306b\u306f3\u3064\u306e\u30a8\u30f3\u30c8\u30ea\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li class=\"\"><strong>STUN:<\/strong> <code>stun:turn.example.com:3478<\/code><br>\u81ea\u524d\u306eSTUN\u30b5\u30fc\u30d0\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\uff08\u30dd\u30fc\u30c8\u7701\u7565\u6642\u306f3478\u304c\u4f7f\u308f\u308c\u307e\u3059\uff09\u3002STUN\u306fNAT\u8d8a\u3048\u5224\u5b9a\u3068\u5019\u88dc\u53d6\u5f97\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u307e\u305a\u3053\u306e\u30b5\u30fc\u30d0\u306bUDP\u3067\u554f\u3044\u5408\u308f\u305b\u3066Server Reflexive\u5019\u88dc\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/li><li class=\"\"><strong>TURN (UDP):<\/strong> <code>turn:turn.example.com:443?transport=udp<\/code><br>\u81ea\u524d\u306eTURN\u30b5\u30fc\u30d0\u3092<strong>UDP\u306e443\u756a\u30dd\u30fc\u30c8<\/strong>\u3067\u5229\u7528\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002\u8a8d\u8a3c\u60c5\u5831\u3068\u3057\u3066\u5148\u307b\u3069coturn\u306b\u8a2d\u5b9a\u3057\u305f\u30e6\u30fc\u30b6\u540d<code>webrtcuser<\/code>\u3068\u30d1\u30b9\u30ef\u30fc\u30c9<code>secretpass123<\/code>\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf<code>?transport=udp<\/code>\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001UDP\u3067TURN\u63a5\u7d9a\u3092\u8a66\u307f\u307e\u3059\uff08\u672a\u6307\u5b9a\u306e\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u307e\u305aUDP\u3092\u8a66\u884c\u3057\u3001\u5931\u6557\u3057\u305f\u3089TCP\u3082\u8a66\u3059\u5b9f\u88c5\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff09\u3002\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u3082\u3057\u901a\u5e38\u306eSTUN\u306b\u3088\u308b\u76f4\u901a\u304c\u5931\u6557\u3057\u3066\u3082\u3001UDP\u306e443\u756a\u30dd\u30fc\u30c8\u3067TURN\u30ea\u30ec\u30fc\u3092\u884c\u3046\u5019\u88dc\uff08relay\u5019\u88dc\uff09\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/li><li class=\"\"><strong>TURN (TLS\/TCP):<\/strong> <code>turns:turn.example.com:443<\/code><br><strong>TLS\u3092\u7528\u3044\u305fTURN<\/strong>\u3001\u3059\u306a\u308f\u3061TURNS\u30b5\u30fc\u30d0\u306e\u8a2d\u5b9a\u3067\u3059\u3002\u3053\u3061\u3089\u3082\u540c\u3058\u304f\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u306b\u5bfe\u3057TCP 443\u756a\u3067TLS\u63a5\u7d9a\u3092\u884c\u3044\u3001TURN\u30ea\u30ec\u30fc\u5019\u88dc\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u7d42\u624b\u6bb5\u306e\u4e2d\u7d99\u5019\u88dc\u3067\u3042\u308a\u3001UDP\u306b\u3088\u308b\u901a\u4fe1\u304c\u4e00\u5207\u3067\u304d\u306a\u3044\u5834\u5408\u3067\u3082\u3053\u306e\u5019\u88dc\u304c\u3042\u308c\u3070\u901a\u4fe1\u78ba\u7acb\u306e\u671b\u307f\u304c\u3042\u308a\u307e\u3059\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><code>RTCPeerConnection<\/code>\u3092\u751f\u6210\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u3067\u6307\u5b9a\u3057\u305fICE\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u9806\u6b21\u63a5\u7d9a\u3092\u8a66\u307f\u3001\u5019\u88dc\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002ICE\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u307e\u305aSTUN\u5019\u88dc\uff08srflx\uff09\u3092\u53d6\u5f97\u3057\u3001\u6b21\u306bTURN\u5019\u88dc\uff08relay\uff09\u3082\u4e26\u884c\u3057\u3066\u53d6\u5f97\u3057\u307e\u3059\u200b\u3002\u3042\u3068\u306fICE\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u3053\u308c\u3089\u306e\u5019\u88dc\u540c\u58eb\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u63a5\u7d9a\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u3001\u6700\u9069\u306a\u7d4c\u8def\u3092\u9078\u629e\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u958b\u767a\u8005\u306f\u7279\u306b\u3053\u308c\u4ee5\u4e0a\u306e\u624b\u7d9a\u304d\u3092\u610f\u8b58\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30dd\u30a4\u30f3\u30c8:<\/strong> \u4e0a\u8a18\u306e\u3088\u3046\u306b<strong>\u8907\u6570\u306e\u5019\u88dc\u3092\u7528\u610f\u3059\u308b\u3053\u3068<\/strong>\u304c\u91cd\u8981\u3067\u3059\u3002\u4f8b\u3048\u3070<code>stun:<\/code>\u3060\u3051\u3057\u304b\u6307\u5b9a\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3001UDP\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u74b0\u5883\u3067\u306f\u4e00\u5207\u5019\u88dc\u304c\u5f97\u3089\u308c\u305a\u63a5\u7d9a\u5931\u6557\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u540c\u69d8\u306bTURN (UDP)\u3060\u3051\u3067\u306fTCP\u3057\u304b\u901a\u3089\u306a\u3044\u74b0\u5883\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3067\u304d\u308c\u3070<code>turn:<\/code>\u3068<code>turns:<\/code>\u306e\u4e21\u65b9\u3092ICE\u30b5\u30fc\u30d0\u306b\u542b\u3081\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u3042\u3089\u3086\u308b\u74b0\u5883\u3067\u5c11\u306a\u304f\u3068\u3082\u4e00\u3064\u306f\u6709\u52b9\u306a\u5019\u88dc\u304c\u898b\u3064\u304b\u308b\u3088\u3046\u306b\u5197\u9577\u5316\u3057\u307e\u3059\uff08\u3082\u3061\u308d\u3093TURN\u30b5\u30fc\u30d0\u5074\u3067\u3082UDP\u3068TCP\/TLS\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff09\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\uff09\u306f\u81ea\u52d5\u7684\u306b\u5229\u7528\u53ef\u80fd\u306a\u30d1\u30b9\u3092\u9078\u629e\u3057\u307e\u3059\u306e\u3067\u3001\u30ea\u30b9\u30c8\u306e\u9806\u5e8f\u306f\u5927\u304d\u306a\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f37\u3044\u3066\u8a00\u3048\u3070\u3001<code>iceTransportPolicy<\/code>\u3092<code>relay<\/code>\u306b\u3057\u306a\u3044\u9650\u308a\u30d6\u30e9\u30a6\u30b6\u306f\u76f4\u63a5\u63a5\u7d9a\u3092\u512a\u5148\u3057\u307e\u3059\u306e\u3067\u3001STUN\u30a8\u30f3\u30c8\u30ea\u3092\u5165\u308c\u3066\u304a\u3051\u3070\u7121\u99c4\u306bTURN\u30b5\u30fc\u30d0\u3092\u4f7f\u308f\u305a\u306b\u6e08\u307f\u307e\u3059\u3002\u307e\u305f\u3001ICE\u30b5\u30fc\u30d0\u306e\u30ea\u30b9\u30c8\u306b\u7121\u95a2\u4fc2\u306a\u30b5\u30fc\u30d0\uff08\u5b58\u5728\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u7b49\uff09\u3092\u5165\u308c\u3066\u3044\u308b\u3068\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5f85\u3061\u3067\u9045\u5ef6\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u78ba\u5b9f\u306b\u5229\u7528\u53ef\u80fd\u306a\u3082\u306e\u3060\u3051\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u3001\u3053\u306e\u8a2d\u5b9a\u3092\u9069\u7528\u3057\u305fWebRTC\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3001\u63a5\u7d9a\u72b6\u6cc1\u3092\u691c\u8a3c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067<code>peerConnection.getStats()<\/code>\u3092\u4f7f\u3046\u304b\u3001\u3042\u308b\u3044\u306f<code>chrome:\/\/webrtc-internals<\/code>\uff08Chrome\u306e\u5834\u5408\uff09\u3067ICE Candidate\u3084\u63a5\u7d9a\u72b6\u614b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u671f\u5f85\u3069\u304a\u308a\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308c\u3070\u3001UDP\u304c\u4f7f\u3048\u308b\u74b0\u5883\u3067\u306fdirect(P2P)\u63a5\u7d9a\u306b\u3001\u96e3\u3057\u3044\u74b0\u5883\u3067\u306f\u81ea\u52d5\u7684\u306bTURN\/TLS\u7d4c\u7531\u306e\u63a5\u7d9a\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SFU\u3068TURN\u306e\u9055\u3044<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC\u306b\u304a\u3051\u308b\u4e2d\u7d99\u306b\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u300cTURN\u300d\u3068\u300cSFU\u300d\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u30fb\u69cb\u6210\u30fb\u7528\u9014\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u305d\u306e\u6280\u8853\u7684\u306a\u9055\u3044\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TURN\uff1a\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u306e\u4ee3\u66ff\u3068\u3057\u3066\u306e\u4e2d\u7d99<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TURN\uff08Traversal Using Relays around NAT\uff09\u306f\u3001WebRTC\u306eP2P\u901a\u4fe1\u304c\u3067\u304d\u306a\u3044\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u308b\u88dc\u52a9\u7684\u306a\u4e2d\u7d99\u30b5\u30fc\u30d0\u3067\u3059\u3002\u4e3b\u306bNAT\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067STUN\u304c\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u306b\u3001TURN\u30b5\u30fc\u30d0\u304c\u5404\u30d4\u30a2\u306e\u9593\u306b\u5165\u308a\u30d1\u30b1\u30c3\u30c8\u3092\u4e2d\u7d99\u3057\u307e\u3059\u3002\u5404\u30d4\u30a2\u306f\u305d\u308c\u305e\u308c\u306e\u901a\u4fe1\u76f8\u624b\u306b\u500b\u5225\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u3001\u69cb\u6210\u306f\u3042\u304f\u307e\u3067\u30e1\u30c3\u30b7\u30e5\u578b\u3067\u3042\u308a\u3001TURN\u306f\u300c\u4ee3\u6253\u300d\u306e\u3088\u3046\u306a\u4f4d\u7f6e\u3065\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u69cb\u6210<\/strong>\uff1a\u5404\u30e6\u30fc\u30b6\u30fc\u304c\u4ed6\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306b\u4e2d\u7d99\u7d4c\u7531\u3067\u9001\u4fe1\uff08\u5b9f\u8cea\u30e1\u30c3\u30b7\u30e5\uff09<\/li><li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>\uff1a\u4f4e\u3044\uff08\u4eba\u6570\u304c\u5897\u3048\u308b\u307b\u3069\u8ca0\u8377\u5897\uff09<\/li><li><strong>\u4e2d\u7d99\u5185\u5bb9<\/strong>\uff1a\u5358\u7d14\u306a\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u306e\u307f\u3001\u30e1\u30c7\u30a3\u30a2\u306e\u89e3\u6790\u3084\u6700\u9069\u5316\u306f\u884c\u308f\u306a\u3044<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">SFU\uff1a\u591a\u4eba\u6570\u901a\u8a71\u306e\u305f\u3081\u306e\u52b9\u7387\u7684\u306a\u4e2d\u7d99<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFU\uff08Selective Forwarding Unit\uff09\u306f\u3001\u591a\u4eba\u6570\u53c2\u52a0\u578b\u306eWeb\u4f1a\u8b70\u3067\u5229\u7528\u3055\u308c\u308b\u77e5\u80fd\u7684\u306a\u4e2d\u7d99\u30b5\u30fc\u30d0\u3067\u3059\u3002<span class=\"swl-marker mark_blue\">\u5404\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fSFU\u306b\u5bfe\u3057\u30661\u672c\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u9001\u4fe1\u3057\u3001SFU\u304c\u305d\u308c\u3092\u4ed6\u306e\u53c2\u52a0\u8005\u306b\u9078\u629e\u7684\u306b\u8ee2\u9001\u3057\u307e\u3059<\/span>\u3002\u8a71\u8005\u691c\u51fa\u3084\u753b\u8cea\u8abf\u6574\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u6700\u9069\u5316\u3068\u3044\u3063\u305f\u51e6\u7406\u3082\u884c\u3048\u308b\u305f\u3081\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u305f\u4e2d\u7d99\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u69cb\u6210<\/strong>\uff1a\u5404\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304cSFU\u30681\u672c\u63a5\u7d9a\u3059\u308b\u30b9\u30bf\u30fc\u578b<\/li><li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>\uff1a\u9ad8\u3044\uff08\u4eba\u6570\u304c\u5897\u3048\u3066\u3082\u9001\u4fe1\u306f1\u672c\uff09<\/li><li><strong>\u4e2d\u7d99\u5185\u5bb9<\/strong>\uff1a\u8ee2\u9001\u5148\u306e\u5236\u5fa1\u3084\u30e1\u30c7\u30a3\u30a2\u306e\u6700\u9069\u5316\u306a\u3069\u304c\u53ef\u80fd<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">TURN\u3068SFU\u306e\u6bd4\u8f03\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u7279\u5fb4<\/th><th>TURN<\/th><th>SFU<\/th><\/tr><tr><td>\u7528\u9014<\/td><td>NAT\u8d8a\u3048\u3067\u304d\u306a\u3044\u3068\u304d\u306e\u4ee3\u66ff\u624b\u6bb5<\/td><td>\u591a\u4eba\u6570\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u901a\u4fe1<\/td><\/tr><tr><td>\u901a\u4fe1\u69cb\u6210<\/td><td>\u30e1\u30c3\u30b7\u30e5\uff08\u5404\u76f8\u624b\u3054\u3068\u306b\u9001\u4fe1\uff09<\/td><td>\u30b9\u30bf\u30fc\u578b\uff081\u672c\u306e\u9001\u4fe1\uff09<\/td><\/tr><tr><td>\u4e2d\u7d99\u6a5f\u80fd<\/td><td>\u5358\u306a\u308b\u30ea\u30ec\u30fc\uff08\u900f\u660e\uff09<\/td><td>\u9078\u629e\u8ee2\u9001\u30fb\u6700\u9069\u5316\u3042\u308a<\/td><\/tr><tr><td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/td><td>\u4f4e\u3044<\/td><td>\u9ad8\u3044<\/td><\/tr><tr><td>\u30e1\u30c7\u30a3\u30a2\u5236\u5fa1<\/td><td>\u306a\u3057<\/td><td>\u3042\u308a\uff08\u4f8b\uff1a\u8a71\u8005\u691c\u51fa\u3001\u89e3\u50cf\u5ea6\u8abf\u6574\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TURN\u306f\u3042\u304f\u307e\u3067\u300cP2P\u901a\u4fe1\u304c\u4e0d\u53ef\u80fd\u306a\u6642\u306b\u4f7f\u3046\u6700\u7d42\u624b\u6bb5\u300d\u3067\u3042\u308a\u3001\u69cb\u6210\u7684\u306b\u306fP2P\u30e1\u30c3\u30b7\u30e5\u3092\u88dc\u5b8c\u3059\u308b\u4e2d\u7d99\u3067\u3059\u3002\u4e00\u65b9\u3001<span class=\"swl-marker mark_blue\">SFU\u306f\u591a\u4eba\u6570\u901a\u8a71\u306b\u304a\u3044\u3066\u521d\u3081\u304b\u3089\u52b9\u7387\u7684\u306a\u8a2d\u8a08\u3092\u60f3\u5b9a\u3057\u3066\u4f7f\u308f\u308c\u308b\u4e2d\u7d99\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3059<\/span>\u3002\u4e21\u8005\u306f\u5f79\u5272\u304c\u6839\u672c\u7684\u306b\u7570\u306a\u308b\u305f\u3081\u3001\u6df7\u540c\u305b\u305a\u306b\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001WebRTC\u306e\u4e2d\u7d1a\u301c\u4e0a\u7d1a\u8005\u306b\u5411\u3051\u3066STUN\u30fbTURN\u30fbTURNS\u306e\u6280\u8853\u7684\u306a\u9055\u3044\u3068\u4f7f\u3044\u6240\u3001\u3055\u3089\u306bcoturn\u306b\u3088\u308b\u30b5\u30fc\u30d0\u69cb\u7bc9\u65b9\u6cd5\u3068\u30b3\u30fc\u30c9\u4f8b\u3001\u305d\u3057\u3066\u53b3\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3067\u306eICE\u6319\u52d5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>STUN<\/strong>\u306f\u8efd\u91cf\u306a\u304c\u3089NAT\u74b0\u5883\u3067\u306e\u76f4\u63a5\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u3001<strong>TURN<\/strong>\u306f\u56f0\u96e3\u306a\u72b6\u6cc1\u3067\u3082\u901a\u4fe1\u3092\u6210\u7acb\u3055\u305b\u308b\u983c\u307f\u306e\u7db1\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u3057\u3066<strong>TURNS<\/strong>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4f01\u696d\u5185\u306a\u3069\u7279\u6b8a\u306a\u74b0\u5883\u3067\u3082WebRTC\u3092\u6d3b\u7528\u3067\u304d\u308b\u9053\u304c\u958b\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">WebRTC\u306f\u30d6\u30e9\u30a6\u30b6API\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6280\u8853\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u305f\u8907\u96d1\u306a\u9818\u57df\u3067\u3059\u304c\u3001STUN\/TURN\u3068ICE\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308b\u4e0a\u3067\u907f\u3051\u3066\u901a\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p 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