{"id":315,"date":"2026-07-05T20:03:35","date_gmt":"2026-07-05T11:03:35","guid":{"rendered":"https:\/\/gajumale.com\/tech\/?p=315"},"modified":"2026-07-27T13:10:21","modified_gmt":"2026-07-27T04:10:21","slug":"%e4%bb%8a%e3%81%95%e3%82%89%e8%81%9e%e3%81%91%e3%81%aa%e3%81%84%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%81%a8%e3%81%af%ef%bc%9f-%e5%88%9d%e5%bf%83%e8%80%85-2","status":"publish","type":"post","link":"https:\/\/gajumale.com\/tech\/%e4%bb%8a%e3%81%95%e3%82%89%e8%81%9e%e3%81%91%e3%81%aa%e3%81%84%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%81%a8%e3%81%af%ef%bc%9f-%e5%88%9d%e5%bf%83%e8%80%85-2\/","title":{"rendered":"\u4eca\u3055\u3089\u805e\u3051\u306a\u3044\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u306f\uff1f \u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9632\u5fa1\u306e\u57fa\u672c"},"content":{"rendered":"<h1>\u306f\u3058\u3081\u306b<\/h1>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272\u3068\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<br \/>\n\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5229\u7528\u3059\u308b\u3046\u3048\u3067\u907f\u3051\u3089\u308c\u306a\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u5bfe\u3057\u3001\u3069\u306e\u3088\u3046\u306b\u901a\u4fe1\u3092\u5236\u5fa1\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u30c7\u30fc\u30bf\u3092\u5b88\u308b\u306e\u304b\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3080\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u304c\u3042\u308b\u306e\u304b\u3092\u4f53\u7cfb\u7684\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<br \/>\n\u500b\u4eba\u5229\u7528\u304b\u3089\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u307e\u3067\u3001\u5b9f\u52d9\u306b\u5f79\u7acb\u3064\u57fa\u790e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr style=\"border: none; 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border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><br \/>\n<strong style=\"font-size: 20px;\">\u306a\u305c\u5fc5\u8981\u306a\u306e\u304b<\/strong><\/div>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u3068\u30b7\u30b9\u30c6\u30e0\u3092\u5b88\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<br \/>\n\u5177\u4f53\u7684\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u8cc7\u7523\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30fb\u30d1\u30bd\u30b3\u30f3\u3084\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u305f\u6a5f\u5bc6\u60c5\u5831\uff08\u500b\u4eba\u60c5\u5831\u30fb\u696d\u52d9\u30c7\u30fc\u30bf\uff09<\/strong><br \/>\n<strong>\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u6a5f\u5668\u3084\u5185\u90e8\u30b7\u30b9\u30c6\u30e0<\/strong><br \/>\n<strong>\u30fb\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3064\u306a\u3050\u901a\u4fe1\u7d4c\u8def<\/strong><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><br \/>\n<strong style=\"font-size: 20px;\">\u306a\u306b\u3092\u5b88\u308b\u306e\u304b<\/strong><\/div>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u5916\u90e8\u304b\u3089\u306e\u653b\u6483\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u653b\u6483\u8005\u306f\u4e16\u754c\u4e2d\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u7121\u5dee\u5225\u306b\u30b9\u30ad\u30e3\u30f3\u3057\u3001\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u63a2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a<strong>\u300c\u72d9\u308f\u308c\u3066\u3044\u306a\u3044\u304b\u3089\u5b89\u5168\u300d<\/strong>\u3068\u3044\u3046\u8003\u3048\u306f\u6210\u308a\u7acb\u3061\u307e\u305b\u3093\u3002<\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">\u5b9f\u969b\u306b\u3088\u304f\u3042\u308b\u653b\u6483\u306e\u4f8b<\/strong><\/div>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><strong>\u30fb\u30dd\u30fc\u30c8\u30b9\u30ad\u30e3\u30f3\uff1a<\/strong><br \/>\n\u653b\u6483\u8005\u304c\u3001\u3069\u306e\u30dd\u30fc\u30c8\uff08\u901a\u4fe1\u306e\u5165\u308a\u53e3\uff09\u304c\u958b\u3044\u3066\u3044\u308b\u304b\u3092\u8abf\u67fb\u3057\u3001<br \/>\n\u4fb5\u5165\u53ef\u80fd\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u7279\u5b9a\u3059\u308b\u884c\u70ba\u3067\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><strong>\u30fb\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\uff1a<\/strong><br \/>\n\u8106\u5f31\u306a\u8a2d\u5b9a\u3084\u53e4\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6b20\u9665\u3092\u7a81\u3044\u3066\u30b7\u30b9\u30c6\u30e0\u5185\u90e8\u306b\u4fb5\u5165\u3059\u308b\u653b\u6483\u3067\u3059\u3002<br \/>\n\u60c5\u5831\u6f0f\u3048\u3044\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3\u306e\u88ab\u5bb3\u306b\u3064\u306a\u304c\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5f79\u5272<\/strong><\/div>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u3053\u3046\u3057\u305f\u653b\u6483\u304b\u3089\u5b88\u308b\u305f\u3081\u306e\u300c\u6700\u521d\u306e\u9632\u5fa1\u58c1\u300d\u304c\u3001<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\u3067\u3059\u3002<br \/>\n\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u51fa\u5165\u53e3\u3067\u901a\u4fe1\u3092\u76e3\u8996\u3057\u3001\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u300c\u8a31\u53ef\u3055\u308c\u305f\u901a\u4fe1\u3060\u3051\u3092\u901a\u3057\u3001\u602a\u3057\u3044\u901a\u4fe1\u306f\u906e\u65ad\u3059\u308b\u300d\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<br \/>\n\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b<strong>\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u91cd\u8981\u306a\u9632\u885b\u7dda<\/strong>\u3067\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 5px double #333; margin: 20px 0;\" \/>\n<h1><b><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">2. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u306f\u4f55\u304b\uff1f<\/span><\/span><\/b><\/h1>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08Firewall\uff09\u3068\u306f\u3001<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u308b\u901a\u4fe1\u3092\u76e3\u8996\u3057\u3001\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u8a31\u53ef\u307e\u305f\u306f\u62d2\u5426\u3092\u5224\u65ad\u3059\u308b\u4ed5\u7d44\u307f<\/strong>\u3067\u3059\u3002<br \/>\n\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u81ea\u5206\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3001\u307e\u305f\u306f\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9593\u306b\u8a2d\u7f6e\u3055\u308c\u3001\u300c\u5b89\u5168\u306a\u901a\u4fe1\u306e\u307f\u3092\u901a\u3057\u3001\u4e0d\u6b63\u306a\u901a\u4fe1\u3092\u906e\u65ad\u3059\u308b\u300d\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">\u305f\u3068\u3048\u308b\u306a\u3089\u300c\u9580\u756a\u300d\u3084\u300c\u95a2\u6240\u300d<\/strong><\/div>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u201c\u9580\u756a\u201d\u306e\u3088\u3046\u306a\u5b58\u5728\u3067\u3059\u3002<br \/>\n\u5efa\u7269\u306b\u305f\u3068\u3048\u308b\u3068\u3001\u5916\u90e8\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\uff09\u3068\u5185\u90e8\uff08\u81ea\u5206\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u306e\u5883\u754c\u306b\u3042\u308b<strong>\u51fa\u5165\u53e3<\/strong>\u3067\u3001\u300c\u8ab0\u304c\u5165\u308c\u308b\u304b\u300d\u300c\u4f55\u3092\u6301\u3061\u8fbc\u3081\u308b\u304b\u300d\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><strong>\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u306a\u3044\u72b6\u614b\uff1a<\/strong><br \/>\n\u7384\u95a2\u306e\u30c9\u30a2\u304c\u958b\u3051\u3063\u3071\u306a\u3057\u3067\u3001\u8ab0\u3067\u3082\u81ea\u7531\u306b\u51fa\u5165\u308a\u3067\u304d\u308b\u72b6\u614b\u3067\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><strong>\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u3042\u308b\u72b6\u614b\uff1a<\/strong><br \/>\n\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b2\u30fc\u30c8\u3067\u8eab\u5206\u8a3c\u3092\u78ba\u8a8d\u3057\u3001\u4e0d\u5be9\u306a\u4eba\u7269\u306f\u901a\u3055\u306a\u3044\u72b6\u614b\u3067\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image2-5.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u5224\u65ad\u3059\u308b\u3082\u306e<\/strong><\/div>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u9001\u53d7\u4fe1\u3055\u308c\u308b\u901a\u4fe1\u30c7\u30fc\u30bf\uff08\u30d1\u30b1\u30c3\u30c8\uff09\u306e\u5185\u5bb9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u4e8b\u524d\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u901a\u4fe1\u306e\u8a31\u53ef\u307e\u305f\u306f\u62d2\u5426\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u969b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60c5\u5831\u3092\u3082\u3068\u306b\u5224\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<table border=\"1\">\n<thead>\n<tr>\n<th style=\"background: #6aa84f;\">\u5224\u65ad\u57fa\u6e96<\/th>\n<th style=\"background: #6aa84f;\">\u5185\u5bb9\u306e\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/td>\n<td>\u3069\u3053\u304b\u3089\u6765\u305f\u901a\u4fe1\u304b\uff08\u4f8b\uff1a\u7279\u5b9a\u306e\u56fd\u3084\u7aef\u672b\u3092\u30d6\u30ed\u30c3\u30af\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/td>\n<td>\u3069\u3053\u306b\u9001\u308b\u901a\u4fe1\u304b\uff08\u793e\u5185\u30b5\u30fc\u30d0\u30fc\u306e\u307f\u8a31\u53ef\u306a\u3069\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30dd\u30fc\u30c8\u756a\u53f7<\/td>\n<td>\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u901a\u4fe1\u304b\uff08\u4f8b\uff1aHTTP\u306f80\u756a\u3001SSH\u306f22\u756a\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30d7\u30ed\u30c8\u30b3\u30eb<\/td>\n<td>\u901a\u4fe1\u306e\u7a2e\u985e\uff08TCP \/ UDP \u306a\u3069\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u614b<\/td>\n<td>\u901a\u4fe1\u306e\u6d41\u308c\u306e\u4e2d\u3067\u6b63\u3057\u3044\u9806\u5e8f\u304b\u3069\u3046\u304b\uff08\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr style=\"border: none; border-top: 5px double #333; margin: 20px 0;\" \/>\n<h1><b><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">3. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b<\/span><\/span><\/b><\/h1>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u3059\u3079\u3066\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u300c\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u305f\u901a\u4fe1\u306e\u307f\u3092\u901a\u3059\u300d<\/strong>\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u5224\u65ad\u65b9\u6cd5\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u6280\u8853\u306e\u9032\u5316\u3068\u3068\u3082\u306b\u9ad8\u5ea6\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002<br \/>\n\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a3\u3064\u306e\u4ed5\u7d44\u307f\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-168\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" alt=\"\" width=\"55\" height=\"55\" srcset=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png 175w, https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3-150x150.png 150w\" sizes=\"auto, (max-width: 55px) 100vw, 55px\" \/><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"font-size: 20px;\">1. \u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u65b9\u5f0f<\/span><\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u6700\u3082\u57fa\u672c\u7684\u3067\u3001\u73fe\u5728\u3082\u591a\u304f\u306e\u30eb\u30fc\u30bf\u30fc\u306a\u3069\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u4ed5\u7d44\u307f<\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3092\u6d41\u308c\u308b\u300c\u30d1\u30b1\u30c3\u30c8\uff08\u901a\u4fe1\u30c7\u30fc\u30bf\u306e\u5c0f\u3055\u306a\u304b\u305f\u307e\u308a\uff09\u300d\u30921\u3064\u305a\u3064\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n\u5224\u65ad\u306b\u306f\u3001\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u30fb\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306a\u3069\u306e\u60c5\u5831\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<br \/>\n<\/span><\/span><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u3053\u308c\u3089\u3092<strong>\u300c\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\uff08ACL\uff09\u300d<\/strong>\uff08\u300c\u9001\u4fe1\u5143\u300d\u300c\u5b9b\u5148\u300d\u300c\u30dd\u30fc\u30c8\u756a\u53f7\u300d\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u306a\u3069\u3092\u30eb\u30fc\u30eb\u5316\u3057\u305f\u3082\u306e\uff09\u306b\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u3001\u901a\u4fe1\u3092\u8a31\u53ef\uff08ALLOW\uff09\u307e\u305f\u306f\u62d2\u5426\uff08DENY\uff09\u3057\u307e\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[\u9001\u4fe1\u5143: 192.168.1.10] \u2500\u2500&gt; [Firewall] \u2500\u2500&gt; [\u5b9b\u5148: 203.0.113.5, Port 80]<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u3000\u2193\u3000<span style=\"color: #ff0000;\">\u30eb\u30fc\u30eb\u30c1\u30a7\u30c3\u30af<\/span><\/span><\/span><br \/>\n<span style=\"font-weight: 400; background: #ff9900;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u8a31\u53ef (ALLOW)<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-168\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" alt=\"\" width=\"55\" height=\"55\" srcset=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png 175w, https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3-150x150.png 150w\" sizes=\"auto, (max-width: 55px) 100vw, 55px\" \/><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"font-size: 20px;\">2. \u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u65b9\u5f0f<\/span><\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\uff08<strong><span dir=\"auto\" style=\"font-size: 20px;\">\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3<\/span><\/strong>\uff1a\u72b6\u614b\u8ffd\u8de1\u578b\uff09<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u4ed5\u7d44\u307f<\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u901a\u4fe1\u306b\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u65b9\u5f0f\u3067\u306f\u3001\u901a\u4fe1\u306e\u958b\u59cb\u304b\u3089\u7d42\u4e86\u307e\u3067\u306e\u72b6\u614b\u3092\u8a18\u9332\u3057\u3001\u300c\u6b63\u3057\u3044\u6d41\u308c\u306e\u901a\u4fe1\u300d\u306e\u307f\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<br \/>\n\u305f\u3068\u3048\u3070\u3001\u3042\u306a\u305f\u306ePC\u304c\u5916\u90e8\u306eWeb\u30b5\u30fc\u30d0\u30fc\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u305d\u306e\u300c\u63a5\u7d9a\u958b\u59cb\u300d\u3092\u8a18\u9332\u3057\u3001\u305d\u306e\u901a\u4fe1\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\uff08\u30ec\u30b9\u30dd\u30f3\u30b9\uff09\u3060\u3051\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\u300c\u6b63\u3057\u3044\u6d41\u308c\u306e\u901a\u4fe1\u300d\u3060\u3051\u3092\u901a\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[PC] \u2192 HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u9001\u4fe1 \u2192 <strong>[Firewall\u304c\u901a\u4fe1\u72b6\u614b\u3092\u8a18\u9332]<\/strong><\/span><\/span><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Web\u30b5\u30fc\u30d0\u30fc] \u2190 HTTP\u30ec\u30b9\u30dd\u30f3\u30b9 \u2190 <strong>[Firewall\uff1a\u3053\u306e\u901a\u4fe1\u306f\u65e2\u77e5\u3060\u304b\u3089\u8a31\u53ef]<\/strong><\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-168\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" alt=\"\" width=\"55\" height=\"55\" srcset=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png 175w, https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3-150x150.png 150w\" sizes=\"auto, (max-width: 55px) 100vw, 55px\" \/><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"font-size: 20px;\">3. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u65b9\u5f0f<\/span><\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff08OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7b2c7\u5c64\uff09\u3067\u52d5\u4f5c\u3059\u308b\u3001\u9ad8\u5ea6\u306a\u5236\u5fa1\u65b9\u5f0f\u3067\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u4ed5\u7d44\u307f<\/span><\/strong><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u81ea\u8eab\u304c\u300c\u4ee3\u7406\uff08\u30d7\u30ed\u30ad\u30b7\uff09\u300d\u3068\u3057\u3066\u901a\u4fe1\u3092\u4e2d\u7d99\u3057\u307e\u3059\u3002<br \/>\n\u5916\u90e8\u306e\u30b5\u30fc\u30d0\u30fc\u3068\u76f4\u63a5\u901a\u4fe1\u305b\u305a\u3001\u4e00\u5ea6\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u901a\u4fe1\u3092\u53d7\u3051\u53d6\u308a\u3001\u5185\u5bb9\u3092\u691c\u67fb\u3057\u305f\u3046\u3048\u3067\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<br \/>\n\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7d4c\u7531\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u5185\u5bb9\uff08HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30e1\u30fc\u30eb\u672c\u6587\u306a\u3069\uff09\u3092\u89e3\u6790\u3067\u304d\u3001\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u3084\u4e0d\u6b63\u306a\u547d\u4ee4\u3092\u542b\u3080\u901a\u4fe1\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[PC] \u21c4 [Proxy Server \/ Firewall] \u21c4 [\u5916\u90e8\u30b5\u30fc\u30d0\u30fc]<\/span><\/span><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><strong>\uff08\u901a\u4fe1\u5185\u5bb9\u3092\u691c\u67fb\u3057\u3066\u304b\u3089\u8ee2\u9001\uff09<\/strong><\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 5px double #333; margin: 20px 0;\" \/>\n<h1><b><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">4. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u7a2e\u985e<\/span><\/span><\/b><\/h1>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u4e00\u53e3\u306b\u8a00\u3063\u3066\u3082\u3001\u305d\u306e<strong>\u8a2d\u7f6e\u5834\u6240<\/strong>\u3084<strong>\u76ee\u7684<\/strong>\u306b\u3088\u3063\u3066\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4e3b\u306b3\u3064\u306e\u30bf\u30a4\u30d7\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">1. \u30d1\u30fc\u30bd\u30ca\u30eb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08\u500b\u4eba\u5411\u3051\uff09<\/strong><\/div>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u6982\u8981<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1\u53f0\u306e\u30d1\u30bd\u30b3\u30f3\u3084\u7aef\u672b\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3059\u3002<br \/>\nWindows\u3084macOS\u306a\u3069\u306eOS\u306b\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u7aef\u672b\u5358\u4f4d\u3067\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u307e\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u7279\u5fb4<\/span><\/strong><\/p>\n<ul style=\"margin-top: 0;\">\n<li>\u7aef\u672b\u3054\u3068\u306b\u52d5\u4f5c\u3057\u3001\u53d7\u4fe1\u30fb\u9001\u4fe1\u3059\u308b\u901a\u4fe1\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30a2\u30d7\u30ea\u5358\u4f4d\u3067\u901a\u4fe1\u306e\u8a31\u53ef\u30fb\u62d2\u5426\u3092\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u5916\u90e8\u304b\u3089\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\uff08\u30dd\u30fc\u30c8\u30b9\u30ad\u30e3\u30f3\u306a\u3069\uff09\u3092\u906e\u65ad\u3057\u307e\u3059\u3002<br \/>\n<\/span><\/span><\/li>\n<\/ul>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u4ee3\u8868\u4f8b<\/span><\/strong><\/p>\n<ul style=\"margin-top: 0;\">\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Windows Defender Firewall\uff08Windows\u6a19\u6e96\uff09<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Little Snitch\uff08macOS\uff09<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">ZoneAlarm\u306a\u3069<br \/>\n<\/span><\/span><\/li>\n<\/ul>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8] \u2192 [PC\u5185\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb] \u2192 [\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3]<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30dd\u30a4\u30f3\u30c8<\/span><\/strong><\/p>\n<p>\u81ea\u5b85\u3084\u30ce\u30fc\u30c8PC\u306a\u3069\u3001\u500b\u4eba\u5229\u7528\u74b0\u5883\u3067\u306e\u57fa\u672c\u7684\u306a\u9632\u5fa1\u624b\u6bb5\u3067\u3059\u3002<br \/>\n\u30a2\u30d7\u30ea\u304c\u901a\u4fe1\u3092\u884c\u3046\u969b\u306b\u8a31\u53ef\u3092\u6c42\u3081\u308b\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u306f\u3001\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">2. \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08\u4f01\u696d\u30fb\u7d44\u7e54\u5411\u3051\uff09<\/strong><\/div>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u6982\u8981<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u7d44\u7e54\u5168\u4f53\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3059\u3002<br \/>\n\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5883\u754c\u306b\u914d\u7f6e\u3055\u308c\u3001\u901a\u4fe1\u3092\u4e00\u5143\u7684\u306b\u7ba1\u7406\u3057\u307e\u3059\u3002<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u7279\u5fb4<\/span><\/strong><\/p>\n<ul style=\"margin-top: 0;\">\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u5c02\u7528\u6a5f\u5668\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff09\u3068\u3057\u3066\u8a2d\u5c0e\u5165\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/span><\/span><\/li>\n<li>\u7d44\u7e54\u5168\u4f53\u306e\u901a\u4fe1\u3092\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u5236\u5fa1\u3057\u307e\u3059\u3002<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u304c\u8a2d\u5b9a\u30fb\u904b\u7528\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u4ee3\u8868\u4f8b<\/span><\/strong><\/p>\n<ul style=\"margin-top: 0;\">\n<li>Cisco ASA<\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Fortinet FortiGate<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Palo Alto Networks Firewall<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Juniper SRX\u306a\u3069<br \/>\n<\/span><\/span><\/li>\n<\/ul>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8]\u2192[\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb]\u2192[\u793e\u5185LAN\uff08\u793e\u54e1PC\u30fb\u30b5\u30fc\u30d0\u30fc\uff09]<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30dd\u30a4\u30f3\u30c8<\/span><\/strong><\/p>\n<p>\u8907\u6570\u30e6\u30fc\u30b6\u30fc\u3084\u30b5\u30fc\u30d0\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001\u8a73\u7d30\u306a\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a\u3084\u30ed\u30b0\u7ba1\u7406\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<br \/>\n\u591a\u304f\u306e\u4f01\u696d\u3067\u306f\u3001\u5916\u90e8\u3068\u306e\u5883\u754c\u306b\u8a2d\u7f6e\u3057\u3066\u653b\u6483\u3092\u906e\u65ad\u3057\u307e\u3059\u3002<\/p>\n<hr style=\"border: none; border-top: 2px dotted #bbb; margin: 20px 0;\" \/>\n<div style=\"display: flex; align-items: center; gap: 10px;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gajumale.com\/tech\/wp-content\/uploads\/2025\/12\/image1-3.png\" width=\"55\" height=\"55\" \/><strong style=\"font-size: 20px;\">3. \u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08NGFW\uff1aNext Generation Firewall\uff09<\/strong><\/div>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u6982\u8981<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u5f93\u6765\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u52a0\u3048\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u691c\u77e5\u30fb\u5236\u5fa1\u6a5f\u80fd\u3092\u6301\u3064\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3059\u3002<br \/>\n\u901a\u4fe1\u5185\u5bb9\u3092\u6df1\u304f\u89e3\u6790\u3057\u3001\u8105\u5a01\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u691c\u51fa\u3057\u307e\u3059\u3002<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u7279\u5fb4<\/span><\/strong><\/p>\n<ul style=\"margin-top: 0;\">\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3067\u901a\u4fe1\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\uff08\u4f8b\uff1aYouTube\u3001LINE\u306a\u3069\uff09<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u4fb5\u5165\u9632\u6b62\uff08IPS\uff09\u6a5f\u80fd\u3084\u30a6\u30a4\u30eb\u30b9\u691c\u77e5\u3092\u7d71\u5408\u3057\u307e\u3059\u3002<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u6697\u53f7\u5316\u901a\u4fe1\uff08HTTPS\uff09\u3082\u89e3\u6790\u3057\u3066\u4e0d\u5be9\u306a\u52d5\u304d\u3092\u691c\u77e5\u3057\u307e\u3059\u3002<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3068\u306e\u9023\u643a\u3084AI\u306b\u3088\u308b\u5206\u6790\u3082\u53ef\u80fd\u3067\u3059\u3002<br \/>\n<\/span><\/span><\/li>\n<\/ul>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30a4\u30e1\u30fc\u30b8<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8]<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u3000\u2193\u3000<\/span><\/span><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[NGFW]<br \/>\n\u251c\u2500 \u901a\u4fe1\u5185\u5bb9\u3092\u89e3\u6790<br \/>\n\u251c\u2500 \u4e0d\u6b63\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u691c\u51fa<br \/>\n\u2514\u2500 \u8a31\u53ef\u3055\u308c\u305f\u901a\u4fe1\u306e\u307f\u793e\u5185\u3078<\/span><\/span><br \/>\n<span style=\"font-weight: 400;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u3000\u2193\u3000<\/span><\/span><br \/>\n<span style=\"font-weight: 400; background: #f4cccc;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af]<br \/>\n<\/span><\/span><br \/>\n<strong><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25a0 \u30dd\u30a4\u30f3\u30c8<\/span><\/strong><\/p>\n<p>\u73fe\u4ee3\u306e\u4f01\u696d\u3067\u306f\u4e3b\u6d41\u3068\u306a\u3063\u3066\u3044\u308b\u65b9\u5f0f\u3067\u3059\u3002<br \/>\n\u5358\u306a\u308b\u901a\u4fe1\u5236\u5fa1\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u5185\u5bb9\u3092\u7406\u89e3\u3057\u3066\u9632\u5fa1\u3059\u308b\u300c\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u76e4\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<hr style=\"border: none; 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