{"id":511,"date":"2025-02-06T07:44:36","date_gmt":"2025-02-06T07:44:36","guid":{"rendered":"https:\/\/proxyboys.net\/tech\/nat-network-address-translation\/"},"modified":"2025-02-06T07:44:36","modified_gmt":"2025-02-06T07:44:36","slug":"nat-network-address-translation","status":"publish","type":"post","link":"https:\/\/proxyboys.net\/ja\/tech\/nat-network-address-translation\/","title":{"rendered":"NAT (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db)"},"content":{"rendered":"<h3>NAT (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db) \u3092\u7406\u89e3\u3059\u308b: \u30d7\u30ed\u30ad\u30b7 \u30e6\u30fc\u30b6\u30fc \u30ac\u30a4\u30c9<\/h3>\n<p>\u3042\u3042\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db (NAT) \u306f\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9670\u306e\u529f\u52b4\u8005\u3067\u3059\u3002\u81ea\u5b85\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089 Web \u3092\u95b2\u89a7\u3057\u305f\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b2\u30fc\u30e0\u3092\u30d7\u30ec\u30a4\u3057\u305f\u308a\u3001\u3042\u308b\u3044\u306f\u5358\u306b\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u308a\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u306a\u3089\u3001\u77e5\u3089\u306a\u3044\u3046\u3061\u306b NAT \u3068\u95a2\u308f\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002NAT \u306f\u9ad8\u7d1a\u30af\u30e9\u30d6\u306e\u7528\u5fc3\u68d2\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u30d1\u30fc\u30c6\u30a3\u30fc (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af) \u304c\u30b9\u30e0\u30fc\u30ba\u306b\u9032\u3080\u3088\u3046\u306b\u3057\u306a\u304c\u3089\u3001\u9069\u5207\u306a\u30b2\u30b9\u30c8 (\u30d1\u30b1\u30c3\u30c8) \u3060\u3051\u304c\u51fa\u5165\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <\/p>\n<p>NAT \u3068\u306f\u4f55\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u30d7\u30ed\u30ad\u30b7 \u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\u3092\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>NAT \u3068\u306f\u4f55\u3067\u3059\u304b?<\/h4>\n<p>NAT \u306f\u3001\u672c\u8cea\u7684\u306b\u306f\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 (\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u4e00\u610f\u3067\u306f\u306a\u3044) IP \u30a2\u30c9\u30ec\u30b9\u3092\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u305f\u308a\u3001\u305d\u306e\u9006\u3092\u884c\u3063\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u306e\u5909\u63db\u306b\u3088\u308a\u3001\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u304c 1 \u3064\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a IPv4 \u30a2\u30c9\u30ec\u30b9\u306e\u9650\u3089\u308c\u305f\u30d7\u30fc\u30eb\u3092\u7bc0\u7d04\u3059\u308b\u306e\u306b\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><strong>NAT \u306e\u4e3b\u306a\u6a5f\u80fd:<\/strong><\/p>\n<ol>\n<li><strong>\u4f4f\u6240\u306e\u4fdd\u5b58<\/strong>: \u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u5358\u4e00\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001NAT \u306f\u30b0\u30ed\u30fc\u30d0\u30eb IPv4 \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u7bc0\u7d04\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5b89\u5168<\/strong>NAT \u306f\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306e\u969c\u58c1\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u5185\u90e8 IP \u30a2\u30c9\u30ec\u30b9\u3092\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u96a0\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>: IP \u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u3092\u5909\u66f4\u3057\u3066\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u76ee\u7684\u306e\u5b9b\u5148\u306b\u78ba\u5b9f\u306b\u5230\u9054\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h4>NAT\u306e\u7a2e\u985e<\/h4>\n<ol>\n<li><strong>\u9759\u7684NAT<\/strong>: \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u3068\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306e 1 \u5bfe 1 \u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3002\u56fa\u5b9a\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u3092\u5fc5\u8981\u3068\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30c0\u30a4\u30ca\u30df\u30c3\u30afNAT<\/strong>: \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u3092\u30d1\u30d6\u30ea\u30c3\u30af \u30a2\u30c9\u30ec\u30b9 \u30d7\u30fc\u30eb\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002\u30de\u30c3\u30d4\u30f3\u30b0\u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>PAT (\u30dd\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u5909\u63db)<\/strong>: NAT \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3068\u3082\u547c\u3070\u308c\u3001\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u3001\u7570\u306a\u308b\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u4f7f\u7528\u3057\u3066 1 \u3064\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30db\u30fc\u30e0 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3055\u308c\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u5f62\u5f0f\u3067\u3059\u3002<\/li>\n<\/ol>\n<h4>NAT\u30bf\u30a4\u30d7\u306e\u6bd4\u8f03\u8868<\/h4>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u9759\u7684NAT<\/th>\n<th>\u30c0\u30a4\u30ca\u30df\u30c3\u30afNAT<\/th>\n<th>PAT (\u30dd\u30fc\u30c8\u30a2\u30c9\u30ec\u30b9\u5909\u63db)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30de\u30c3\u30d4\u30f3\u30b0\u30bf\u30a4\u30d7<\/td>\n<td>1\u5bfe1<\/td>\n<td>\u591a\u6570\u5bfe\u5c11\u6570<\/td>\n<td>\u591a\u5bfe\u4e00<\/td>\n<\/tr>\n<tr>\n<td>IP \u30a2\u30c9\u30ec\u30b9 \u30d7\u30fc\u30eb<\/td>\n<td>\u4fee\u7406\u6e08\u307f<\/td>\n<td>\u30d1\u30d6\u30ea\u30c3\u30af IP \u306e\u30d7\u30fc\u30eb\u304c\u9650\u3089\u308c\u3066\u3044\u308b<\/td>\n<td>\u7570\u306a\u308b\u30dd\u30fc\u30c8\u3092\u6301\u3064\u5358\u4e00\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u4e8b\u4f8b<\/td>\n<td>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u3001\u30b5\u30fc\u30d3\u30b9<\/td>\n<td>\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306f\u306a\u3044\u304c\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u306f\u5f79\u7acb\u3064<\/td>\n<td>\u5bb6\u5ead\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u6700\u3082\u4e00\u822c\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u69cb\u6210<\/td>\n<td>\u30de\u30cb\u30e5\u30a2\u30eb<\/td>\n<td>\u5229\u7528\u53ef\u80fd\u306a\u30d1\u30d6\u30ea\u30c3\u30afIP\u306e\u30ea\u30b9\u30c8\u304c\u5fc5\u8981\u3067\u3059<\/td>\n<td>\u81ea\u52d5IP\u304a\u3088\u3073\u30dd\u30fc\u30c8\u5272\u308a\u5f53\u3066<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168<\/td>\n<td>\u4e2d\u7a0b\u5ea6\uff08\u516c\u958b\u3055\u308c\u305f IP\uff09<\/td>\n<td>\u4e2d\u7a0b\u5ea6\uff08\u516c\u958b\u3055\u308c\u305f IP\uff09<\/td>\n<td>\u9ad8\uff08\u5185\u90e8 IP \u306f\u30de\u30b9\u30af\u3055\u308c\u307e\u3059\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>NAT \u306e\u4ed5\u7d44\u307f: \u69cb\u9020\u5316\u3055\u308c\u305f\u4f8b<\/h4>\n<p>3 \u53f0\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc (PC1\u3001PC2\u3001PC3) \u304c 1 \u3064\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9 (203.0.113.5) \u3092\u6301\u3064\u30eb\u30fc\u30bf\u30fc\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5c0f\u3055\u306a\u30aa\u30d5\u30a3\u30b9\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5404\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 IP \u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>PC1: 192.168.1.2<\/li>\n<li>PC2: 192.168.1.3<\/li>\n<li>PC3: 192.168.1.4<\/li>\n<\/ul>\n<p>PC1 \u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u8981\u6c42\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u3001\u30d7\u30ed\u30bb\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30ea\u30af\u30a8\u30b9\u30c8<\/strong>: PC1 \u306f\u30eb\u30fc\u30bf\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30d1\u30b1\u30c3\u30c8\u306e\u9001\u4fe1\u5143 IP \u306f 192.168.1.2 \u3067\u3059\u3002<\/li>\n<li><strong>\u7ffb\u8a33<\/strong>: \u30eb\u30fc\u30bf\u306f\u9001\u4fe1\u5143 IP (192.168.1.2) \u3092\u30d1\u30d6\u30ea\u30c3\u30af IP (203.0.113.5) \u306b\u7f6e\u304d\u63db\u3048\u3001\u4f7f\u7528\u3055\u308c\u305f\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u8ee2\u9001<\/strong>: \u30d1\u30b1\u30c3\u30c8\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u5b9b\u5148\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u5fdc\u7b54<\/strong>: \u30b5\u30fc\u30d0\u30fc\u306f 203.0.113.5 \u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u9006\u7ffb\u8a33<\/strong>: \u30eb\u30fc\u30bf\u306f\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u4fe1\u3057\u3001\u5909\u63db\u30c6\u30fc\u30d6\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u3092 PC1 (192.168.1.2) \u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u30011 \u3064\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u3001\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>\u5b9f\u969b\u306e\u4f7f\u7528\u4f8b: \u30d7\u30ed\u30ad\u30b7 \u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306e NAT<\/h4>\n<p>\u4e2d\u5c0f\u4f01\u696d\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u306b\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30d7\u30ed\u30ad\u30b7\u306f\u3001\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30ea\u30bd\u30fc\u30b9\u3092\u6c42\u3081\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u3092\u4ef2\u4ecb\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u3053\u3067 NAT \u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><strong>\u30b7\u30ca\u30ea\u30aa<\/strong>\u3042\u308b\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u3067\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f1a\u793e\u306b\u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9 (\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7) \u304b\u3089\u4f5c\u696d\u3059\u308b\u8907\u6570\u306e\u5f93\u696d\u54e1\u304c\u304a\u308a\u3001\u5168\u54e1\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>NAT \u306e\u5f79\u5272<\/strong>: \u30aa\u30d5\u30a3\u30b9 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u5358\u4e00\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002NAT \u306b\u3088\u308a\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u500b\u3005\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u3092\u516c\u958b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u8907\u6570\u306e\u5f93\u696d\u54e1\u304b\u3089\u306e\u8981\u6c42\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4fdd\u8b77\u3055\u308c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30d7\u30ed\u30ad\u30b7\u3092\u4ecb\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u3092\u76e3\u8996\u304a\u3088\u3073\u5236\u5fa1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5229\u70b9<\/strong>: \u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u306f\u30d7\u30ed\u30ad\u30b7\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3092\u8a8d\u8b58\u3059\u308b\u305f\u3081\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4f1a\u793e\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5b9f\u88c5\u3067\u304d\u308b\u305f\u3081\u3001NAT \u306b\u3088\u3063\u3066\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u304c\u6700\u9069\u5316\u3055\u308c\u3001\u540c\u3058\u30ea\u30bd\u30fc\u30b9\u3092\u7e70\u308a\u8fd4\u3057\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u6027\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u8cea\u7684\u306b\u3001NAT \u306f\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u3001\u7279\u306b\u30d7\u30ed\u30ad\u30b7 \u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002NAT \u306f\u8cb4\u91cd\u306a IP \u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u52b9\u7387\u3082\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6b21\u56de Web \u3092\u95b2\u89a7\u3059\u308b\u3068\u304d\u306f\u3001\u821e\u53f0\u88cf\u3067 NAT \u304c\u7cbe\u529b\u7684\u306b\u50cd\u3044\u3066\u3001\u60c5\u5831\u3092\u5b89\u5168\u306b\u4fdd\u3061\u3001\u63a5\u7d9a\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u308b\u3067\u9ad8\u7d1a\u30af\u30e9\u30d6\u306e\u3088\u304f\u6574\u5099\u3055\u308c\u305f\u6a5f\u68b0\u306e\u3088\u3046\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding NAT (Network Address Translation): A Proxy User&#8217;s Guide Ah, Network Address Translation (NAT)\u2014the unsung hero of modern networking. If you\u2019ve ever surfed the web from a home network, played an online game, or even just checked your email, you\u2019ve unwittingly danced with NAT. It\u2019s like the bouncer at an exclusive club, ensuring that only the right guests (packets) get in and out, while keeping the party (your network) running smoothly. Let\u2019s delve deeper into what NAT is, how it operates, and why it\u2019s crucial for proxy users. What is NAT? At its core, NAT is a method used to translate private (not globally unique) IP addresses to a public [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":512,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[188],"tags":[219,189,246,190,244,247,245,94,118,215],"class_list":["post-511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-firewall","tag-internet-protocol","tag-ip-addressing","tag-ipv4","tag-nat","tag-nat-types","tag-network-address-translation","tag-network-management","tag-networking","tag-security"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":0,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/media\/512"}],"wp:attachment":[{"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyboys.net\/ja\/wp-json\/wp\/v2\/tags?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}