{"id":477033,"date":"2023-08-09T09:06:26","date_gmt":"2023-08-09T09:06:26","guid":{"rendered":""},"modified":"2023-09-05T11:13:54","modified_gmt":"2023-09-05T11:13:54","slug":"echo-check","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/echo-check\/","title":{"rendered":"\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af"},"content":{"rendered":"<p>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306b\u95a2\u3059\u308b\u7c21\u5358\u306a\u60c5\u5831<\/p>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3067\u901a\u5e38\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb \u30c6\u30b9\u30c8\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8 \u30d7\u30ed\u30c8\u30b3\u30eb (ICMP) \u3092\u4f7f\u7528\u3057\u3066\u3001\u6307\u5b9a\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30db\u30b9\u30c8\u306b\u30a8\u30b3\u30fc\u8981\u6c42\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30a8\u30b3\u30fc\u5fdc\u7b54\u3092\u5f85\u3061\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ce\u30fc\u30c9\u306e\u9069\u5207\u306a\u6a5f\u80fd\u3068\u63a5\u7d9a\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u4e00\u822c\u306b\u300cping \u30c6\u30b9\u30c8\u300d\u3068\u547c\u3070\u308c\u308b\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a3a\u65ad\u306e\u4e0d\u53ef\u6b20\u306a\u90e8\u5206\u3092\u5f62\u6210\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6574\u5408\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u8d77\u6e90\u3068\u305d\u306e\u521d\u671f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u6982\u5ff5\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb \u30b9\u30a4\u30fc\u30c8\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8 \u30d7\u30ed\u30c8\u30b3\u30eb (ICMP) \u306e\u5275\u8a2d\u306b\u8d77\u6e90\u3092\u6301\u3061\u30011981 \u5e74 9 \u6708\u306b RFC 792 \u306e\u767a\u884c\u3068\u3068\u3082\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002ICMP \u306e\u76ee\u7684\u306f\u3001\u30a8\u30e9\u30fc \u30ec\u30dd\u30fc\u30c8\u3068\u904b\u7528\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u77e5\u8ca1\u904b\u7528\u306b\u95a2\u308f\u308b\u3082\u306e\u3002\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u57fa\u790e\u3068\u306a\u308b ICMP \u30a8\u30b3\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30a8\u30b3\u30fc \u30ea\u30d7\u30e9\u30a4\u306f\u3001\u6700\u521d\u304b\u3089\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u554f\u984c\u3092\u8a3a\u65ad\u304a\u3088\u3073\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u8a73\u7d30: \u5bfe\u8c61\u306e\u62e1\u5927<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001\u6700\u3082\u5305\u62ec\u7684\u306a\u5f62\u5f0f\u3067\u3001\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u300cping\u300d\u30b3\u30de\u30f3\u30c9\u3001\u300ctraceroute\u300d\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u3055\u307e\u3056\u307e\u306a ICMP \u30d9\u30fc\u30b9\u306e\u30c6\u30b9\u30c8\u3092\u542b\u3080\u3001\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a3a\u65ad\u30c4\u30fc\u30eb\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b9b\u5148\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u3001\u5fdc\u7b54\u3092\u5206\u6790\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9 \u30e1\u30c8\u30ea\u30c3\u30af\u3092\u63a8\u5b9a\u3057\u307e\u3059\u3002\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u57fa\u672c\u7684\u306b\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u4fe1\u5143\u304b\u3089\u30db\u30b9\u30c8\u306b\u5230\u9054\u3057\u3001\u5fdc\u7b54\u304c\u8fd4\u3055\u308c\u308b\u307e\u3067\u306e\u5f80\u5fa9\u6642\u9593\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ce\u30fc\u30c9\u304c\u52d5\u4f5c\u3057\u3066\u3044\u3066\u5230\u9054\u53ef\u80fd\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u5185\u90e8\u30e1\u30ab\u30cb\u30ba\u30e0: \u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u57fa\u790e\u3068\u306a\u308b\u6a5f\u80fd\u306f\u3001ICMP \u306e 2 \u3064\u306e\u4e3b\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u30a8\u30b3\u30fc\u8981\u6c42\u3068\u30a8\u30b3\u30fc\u5fdc\u7b54\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u30a8\u30b3\u30fc\u8981\u6c42\u306f\u9001\u4fe1\u5143\u30ce\u30fc\u30c9\u304b\u3089\u5b9b\u5148\u30ce\u30fc\u30c9\u306b\u9001\u4fe1\u3055\u308c\u3001\u5b9b\u5148\u304c\u5230\u9054\u53ef\u80fd\u3067\u52d5\u4f5c\u53ef\u80fd\u306a\u5834\u5408\u3001\u30a8\u30b3\u30fc\u5fdc\u7b54\u3067\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30bd\u30fc\u30b9 \u30ce\u30fc\u30c9\u306f\u3001ICMP \u30a8\u30b3\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30bf\u30fc\u30b2\u30c3\u30c8 \u30ce\u30fc\u30c9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<li>\u30d1\u30b1\u30c3\u30c8\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u8907\u6570\u306e\u30eb\u30fc\u30bf\u30fc\u3092\u901a\u904e\u3057\u307e\u3059\u3002<\/li>\n<li>\u30bf\u30fc\u30b2\u30c3\u30c8 \u30ce\u30fc\u30c9\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u3042\u308a\u3001ICMP \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30bf\u30fc\u30b2\u30c3\u30c8 \u30ce\u30fc\u30c9\u306f ICMP \u30a8\u30b3\u30fc\u5fdc\u7b54\u3067\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n<li>\u30bd\u30fc\u30b9\u30ce\u30fc\u30c9\u306f\u3001\u30e9\u30a6\u30f3\u30c9\u30c8\u30ea\u30c3\u30d7\u6642\u9593 (RTT) \u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u3001\u30a8\u30b3\u30fc\u8981\u6c42\u306e\u9001\u4fe1\u304b\u3089\u30a8\u30b3\u30fc\u5fdc\u7b54\u306e\u53d7\u4fe1\u307e\u3067\u306e\u6642\u9593\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u57fa\u672c\u7684\u306a\u7279\u5fb4\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u691c\u8a3c<\/strong>: \u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u7279\u5b9a\u306e\u30ce\u30fc\u30c9\u304c\u52d5\u4f5c\u3057\u3066\u304a\u308a\u3001\u5230\u9054\u53ef\u80fd\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30e6\u30fc\u30b6\u30fc\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u5f80\u5fa9\u6642\u9593\u306e\u6e2c\u5b9a<\/strong>: \u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u4fe1\u5143\u304b\u3089\u5b9b\u5148\u307e\u3067\u79fb\u52d5\u3057\u3066\u623b\u3063\u3066\u304f\u308b\u306e\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9045\u5ef6\u306b\u3064\u3044\u3066\u306e\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u306e\u691c\u51fa<\/strong>\uff1a\u8907\u6570\u306e\u30a8\u30b3\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u9001\u4fe1\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3068\u53d7\u4fe1\u3057\u305f\u5fdc\u7b54\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u306e\u554f\u984c\u3092\u8a3a\u65ad\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30eb\u30fc\u30c8\u30c8\u30ec\u30fc\u30b9<\/strong>\uff1atraceroute \u306e\u3088\u3046\u306a\u9ad8\u5ea6\u306a\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u4fe1\u5143\u304b\u3089\u5b9b\u5148\u307e\u3067\u305f\u3069\u308b\u30d1\u30b9\u3092\u6c7a\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u7a2e\u985e: \u30ea\u30b9\u30c8\u3068\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u305f\u691c\u67fb<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u901a\u5e38\u3001\u30c6\u30b9\u30c8\u306e\u6027\u8cea\u306b\u3088\u3063\u3066\u4e3b\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Ping\u30c6\u30b9\u30c8<\/strong>: \u3053\u308c\u306f\u3001ICMP \u30a8\u30b3\u30fc\u8981\u6c42\u3092\u7279\u5b9a\u306e\u30db\u30b9\u30c8\u306b\u9001\u4fe1\u3057\u3001\u5fdc\u7b54\u3092\u5f85\u3064\u5358\u7d14\u306a\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30ec\u30fc\u30b9\u30eb\u30fc\u30c8\u30c6\u30b9\u30c8<\/strong>: \u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u3088\u308a\u9ad8\u5ea6\u306a\u5f62\u5f0f\u3067\u3042\u308btraceroute\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u9001\u4fe1\u5143\u304b\u3089\u5b9b\u5148\u307e\u3067\u305f\u3069\u308b\u30d1\u30b9\u3092\u30c8\u30ec\u30fc\u30b9\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u7a2e\u985e<\/th>\n<th>ICMP \u30e1\u30c3\u30bb\u30fc\u30b8<\/th>\n<th>\u76ee\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ping\u30c6\u30b9\u30c8<\/td>\n<td>\u30a8\u30b3\u30fc\u8981\u6c42\/\u5fdc\u7b54<\/td>\n<td>\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3001RTT \u3092\u6e2c\u5b9a\u3057\u307e\u3059<\/td>\n<\/tr>\n<tr>\n<td>\u30c8\u30ec\u30fc\u30b9\u30eb\u30fc\u30c8\u30c6\u30b9\u30c8<\/td>\n<td>\u6642\u9593\u8d85\u904e\/\u30a8\u30b3\u30fc\u8981\u6c42\/\u5fdc\u7b54<\/td>\n<td>\u30eb\u30fc\u30c8\u3092\u30c8\u30ec\u30fc\u30b9\u3057\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u6e2c\u5b9a\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u4f7f\u7528\u65b9\u6cd5: \u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001\u4e3b\u306b Ping \u304a\u3088\u3073 Traceroute \u30c6\u30b9\u30c8\u3092\u901a\u3058\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u306e\u554f\u984c\u306e\u8a3a\u65ad\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6e2c\u5b9a\u3001\u304a\u3088\u3073\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u6f5c\u5728\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>ICMP \u30d6\u30ed\u30c3\u30ad\u30f3\u30b0<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3088\u3063\u3066\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u306b\u3088\u308a ICMP \u30d1\u30b1\u30c3\u30c8\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3001\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u304c\u7121\u52b9\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56: TCP\/IP \u30d9\u30fc\u30b9\u306e\u30c6\u30b9\u30c8\u306a\u3069\u306e\u4ee3\u66ff\u65b9\u6cd5\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u507d\u967d\u6027<\/strong>\u6ce8\uff1a\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u3067\u306f\u3001\u5230\u9054\u53ef\u80fd\u6027\u3092 IP \u30ec\u30d9\u30eb\u3067\u306e\u307f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u305f\u3081\u3001\u30db\u30b9\u30c8\u4e0a\u3067\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u30db\u30b9\u30c8\u304c\u5230\u9054\u53ef\u80fd\u3067\u3042\u308b\u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u89e3\u6c7a\u7b56: \u30b5\u30fc\u30d3\u30b9\u56fa\u6709\u306e\u30c1\u30a7\u30c3\u30af\u3092 Echo Check \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306f\u3001Ping\u3001Traceroute\u3001ICMP Echo \u306a\u3069\u306e\u540c\u69d8\u306e\u7528\u8a9e\u3068\u3068\u3082\u306b\u3001ICMP \u30d9\u30fc\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a3a\u65ad\u30c6\u30b9\u30c8\u306e\u57fa\u790e\u3092\u5f62\u6210\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u6a5f\u80fd\u6027<\/th>\n<th>\u4f7f\u7528\u3055\u308c\u308b ICMP \u30e1\u30c3\u30bb\u30fc\u30b8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af<\/td>\n<td>\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3001RTT \u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<td>\u30a8\u30b3\u30fc\u8981\u6c42\/\u5fdc\u7b54<\/td>\n<\/tr>\n<tr>\n<td>\u30d4\u30f3<\/td>\n<td>\u63a5\u7d9a\u3092\u78ba\u8a8d\u3057\u3001RTT \u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<td>\u30a8\u30b3\u30fc\u8981\u6c42\/\u5fdc\u7b54<\/td>\n<\/tr>\n<tr>\n<td>\u30c8\u30ec\u30fc\u30b9\u30eb\u30fc\u30c8<\/td>\n<td>\u30d1\u30b1\u30c3\u30c8\u304c\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306b\u901a\u904e\u3059\u308b\u30d1\u30b9\u3092\u6c7a\u5b9a\u3057\u307e\u3059<\/td>\n<td>\u6642\u9593\u8d85\u904e\/\u30a8\u30b3\u30fc\u8981\u6c42\/\u5fdc\u7b54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af\u306b\u95a2\u3059\u308b\u5c55\u671b\u3068\u4eca\u5f8c\u306e\u6280\u8853<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u306e\u57fa\u672c\u6982\u5ff5\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a3a\u65ad\u306b\u3068\u3063\u3066\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3059\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9032\u5316\u306b\u4f34\u3044\u3001\u305d\u306e\u6709\u7528\u6027\u306f\u62e1\u5927\u3059\u308b\u3068\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002\u5c06\u6765\u306e\u9032\u6b69\u306b\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u53ef\u7528\u6027\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u8a3a\u65ad\u3001\u304a\u3088\u3073 Echo Check \u3092\u57fa\u790e\u3068\u3057\u3066\u4f7f\u7528\u3057\u305f AI \u4e3b\u5c0e\u306e\u81ea\u52d5\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u8003\u616e\u3057\u305f\u3001\u3088\u308a\u5fae\u5999\u306a\u30c1\u30a7\u30c3\u30af\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068\u30a8\u30b3\u30fc\u30c1\u30a7\u30c3\u30af<\/h2>\n<p>OneProxy \u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001Echo Check \u74b0\u5883\u306b\u7d71\u5408\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u4ef2\u4ecb\u8005\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8981\u6c42\u3092\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002\u63a5\u7d9a\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u691c\u8a3c\u3092\u884c\u3046\u5834\u5408\u3001Echo Check \u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u53ef\u7528\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u5230\u9054\u53ef\u80fd\u3067\u6700\u9069\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30a8\u30b3\u30fc \u30c1\u30a7\u30c3\u30af\u3068\u95a2\u9023\u6982\u5ff5\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc792\" target=\"_new\" rel=\"noopener nofollow\">ICMP \u30d7\u30ed\u30c8\u30b3\u30eb \u2013 RFC 792<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Ping_(networking_utility)\" target=\"_new\" rel=\"noopener nofollow\">Ping \u30c6\u30b9\u30c8 \u2013 \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Traceroute\" target=\"_new\" rel=\"noopener nofollow\">\u30c8\u30ec\u30fc\u30b9\u30eb\u30fc\u30c8 \u2013 \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468292,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477033","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Echo Check: Unveiling the Details of Internet Protocol Testing<\/mark>","faq_items":[{"question":"What is an Echo Check?","answer":"<p>Echo Check is a protocol test used in networking environments to confirm the proper functioning and connectivity of network nodes. It involves sending an echo request packet to a specific network host and waiting for an echo reply.<\/p>"},{"question":"What is the history of Echo Check?","answer":"<p>The concept of Echo Check comes from the inception of the Internet Control Message Protocol (ICMP), which was introduced in September 1981. The Echo Request and Echo Reply, fundamental to the Echo Check, were part of this protocol from the start.<\/p>"},{"question":"How does Echo Check work?","answer":"<p>Echo Check works by sending an ICMP Echo Request from a source node to a destination node. If the destination node is operational and reachable, it responds with an ICMP Echo Reply. The source node then records the time taken from the Echo Request's transmission to the reception of the Echo Reply, known as Round Trip Time (RTT).<\/p>"},{"question":"What are the key features of Echo Check?","answer":"<p>The key features of Echo Check include verifying network connectivity, measuring round trip time (RTT), detecting packet loss, and tracing routes.<\/p>"},{"question":"What types of Echo Check exist?","answer":"<p>The primary types of Echo Check are the Ping Test, which sends an ICMP Echo Request to a specific host and waits for a reply, and the Traceroute Test, which traces and displays the path that a packet takes from the source to the destination.<\/p>"},{"question":"What are some common problems and their solutions related to Echo Check?","answer":"<p>One common problem is ICMP Blocking, where some networks may block ICMP packets for security reasons. The solution to this is to use alternative methods like TCP\/IP-based tests. Another issue is False Positives, where Echo Check might show a host as reachable even when services hosted on it are down. The solution is to use service-specific checks in conjunction with Echo Check.<\/p>"},{"question":"How are proxy servers used with Echo Check?","answer":"<p>Proxy servers, like those provided by OneProxy, can be used in an Echo Check environment. When troubleshooting or verifying connectivity, Echo Check can be used to test the availability and performance of proxy servers, ensuring they are reachable and functioning optimally.<\/p>"},{"question":"What is the future perspective related to Echo Check?","answer":"<p>Future advancements of Echo Check might include more nuanced checks considering service availability, application-specific diagnostics, and AI-driven automated network troubleshooting using Echo Check as a basis.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477033\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468292"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477033"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}