{"id":5021,"date":"2026-03-25T16:00:27","date_gmt":"2026-03-25T07:00:27","guid":{"rendered":"https:\/\/www.allied-telesis.co.jp\/netrend\/knowledge\/dpi\/"},"modified":"2026-05-11T10:29:03","modified_gmt":"2026-05-11T01:29:03","slug":"dpi","status":"publish","type":"knowledge-tooltips","link":"https:\/\/www.allied-telesis.co.jp\/netrend\/knowledge\/dpi\/","title":{"rendered":"DPI"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7528\u8a9e\u6982\u8981<\/h2>\n\n\n\n<p>DPI\uff08Deep Packet Inspection\uff09\u3068\u306f\u3001\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u69cb\u6210\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u8eab\u307e\u3067\u78ba\u8a8d\u3057\u3001\u305d\u306e\u901a\u4fe1\u304c\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u3082\u306e\u304b\u3092\u8b58\u5225\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u901a\u5e38\u3001\u30d1\u30b1\u30c3\u30c8\u3068\u547c\u3070\u308c\u308b\u5358\u4f4d\u3067\u9001\u53d7\u4fe1\u3055\u308c\u307e\u3059\u3002<br>\u5f93\u6765\u306e \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u306f\u3001\u3053\u306e\u30d1\u30b1\u30c3\u30c8\u306b\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u3044\u3063\u305f\u5b9b\u5148\u60c5\u5831\uff08OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u30ec\u30a4\u30e4\u30fc3\uff5e4\u30ec\u30d9\u30eb\u306e\u60c5\u5831\uff09\u3092\u3082\u3068\u306b\u901a\u4fe1\u3092\u5236\u5fa1\u3057\u3066\u304a\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u8eab\u305d\u306e\u3082\u306e\u307e\u3067\u306f\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br>\u3053\u308c\u306b\u5bfe\u3057\u3066DPI\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u8eab\u307e\u3067\u8e0f\u307f\u8fbc\u3093\u3067\u5206\u6790\u3057\u307e\u3059\u3002<br>\u5177\u4f53\u7684\u306b\u306f\u3001\u30b7\u30b0\u30cd\u30c1\u30e3\u3068\u547c\u3070\u308c\u308b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306e\u901a\u4fe1\u306e\u7279\u5fb4\u3092\u307e\u3068\u3081\u305f\u8b58\u5225\u60c5\u5831\u3092\u7528\u3044\u3066\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u306b\u542b\u307e\u308c\u308b\u60c5\u5831\u3092\u8a73\u3057\u304f\u89e3\u6790\u3057\u307e\u3059\u3002\uff08OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u30ec\u30a4\u30e4\u30fc7\u30ec\u30d9\u30eb\u306e\u60c5\u5831\uff09<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001Zoom \u3084 Microsoft Teams\u3001YouTube\u3001SNS \u306a\u3069\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5358\u4f4d\u3067\u5224\u5225\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"840\" height=\"416\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2026\/03\/dpi_img01.jpg\" alt=\"\" class=\"wp-image-5892\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2026\/03\/dpi_img01.jpg 840w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2026\/03\/dpi_img01-300x149.jpg 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2026\/03\/dpi_img01-768x380.jpg 768w\" sizes=\"(max-width: 840px) 100vw, 840px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u901a\u4fe1\u306e\u6700\u9069\u5316<\/h2>\n\n\n\n<p>DPI\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306e\u901a\u4fe1\u3092\u8b58\u5225\u3067\u304d\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u306e\u901a\u4fe1\u304c\u3069\u306e\u7a0b\u5ea6\u5e2f\u57df\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<br>\u3053\u306e\u60c5\u5831\u3092\u3082\u3068\u306b\u901a\u4fe1\u306e\u91cd\u8981\u5ea6\u306b\u5fdc\u3058\u305f\u512a\u5148\u5ea6\u3092\u8a2d\u5b9a\u3057\u3001\u3055\u3089\u306bQoS\u306a\u3069\u306e\u5236\u5fa1\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9650\u3089\u308c\u305f\u5e2f\u57df\u3092\u52b9\u7387\u7684\u306b\u6d3b\u7528\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u901a\u4fe1\u54c1\u8cea\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u304c\u62e1\u5927\u3059\u308b\u4e2d\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f WAN \u56de\u7dda\u306e \u5e2f\u57df \u4e0d\u8db3\u304c\u8ab2\u984c\u3068\u306a\u308b\u30b1\u30fc\u30b9\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<br>DPI\u3092\u6d3b\u7528\u3057\u3066\u901a\u4fe1\u3092\u9069\u5207\u306b\u5236\u5fa1\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u4f1a\u8b70\u306b\u304a\u3051\u308b\u97f3\u58f0\u3084\u6620\u50cf\u306e\u54c1\u8cea\u304c\u5b89\u5b9a\u3059\u308b\u307b\u304b\u3001\u91cd\u8981\u306a\u696d\u52d9\u901a\u4fe1\u304c\u9014\u5207\u308c\u308b\u30ea\u30b9\u30af\u3092\u6291\u3048\u3089\u308c\u307e\u3059\u3002<br>\u305d\u306e\u7d50\u679c\u3001\u751f\u7523\u6027\u306e\u9ad8\u3044\u696d\u52d9\u74b0\u5883\u3084\u3001\u5186\u6ed1\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u74b0\u5883\u306e\u7dad\u6301\u30fb\u5411\u4e0a\u306b\u8ca2\u732e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u591a\u5c64\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/h2>\n\n\n\n<p>DPI\u3092\u6d3b\u7528\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5358\u4f4d\u3067\u901a\u4fe1\u306e\u5185\u5bb9\u3092\u628a\u63e1\u3067\u304d\u308b\u305f\u3081\u3001\u5f93\u6765\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u30d9\u30fc\u30b9\u306e\u5bfe\u7b56\u3067\u306f\u898b\u5206\u3051\u3089\u308c\u306a\u304b\u3063\u305f\u4e0d\u6b63\u306a\u901a\u4fe1\u3092\u691c\u77e5\u3067\u304d\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u6b63\u898f\u306e\u901a\u4fe1\u306b\u898b\u305b\u304b\u3051\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u901a\u4fe1\u3084\u3001\u5de7\u5999\u5316\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u3082\u5bfe\u5fdc\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001 UTM \u306b\u642d\u8f09\u3055\u308c\u305fDPI\u306b\u3088\u308b\u901a\u4fe1\u306e\u8b58\u5225\u7d50\u679c\u3092\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u5bfe\u7b56\u3084 IPS \u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3068\u9023\u643a\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306a\u30de\u30eb\u30a6\u30a7\u30a2\u901a\u4fe1\u306e\u691c\u51fa\u3084C&amp;C\u901a\u4fe1\uff08\u9060\u9694\u64cd\u4f5c\u901a\u4fe1\uff09\u306e\u30d6\u30ed\u30c3\u30af\u3001\u6a19\u7684\u578b\u653b\u6483\u3084\u60c5\u5831\u6f0f\u3048\u3044\u306e\u9632\u6b62\u3068\u3044\u3063\u305f\u591a\u5c64\u7684\u306a\u9632\u5fa1\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306bDPI\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u90e8\u306b\u4fb5\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u653b\u6483\u3092\u4e8b\u524d\u306b\u691c\u77e5\u30fb\u906e\u65ad\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"p-blogParts post_content\" data-partsID=\"367\">\n<div class=\"wp-block-group pc_only has-background\" style=\"background-color:#ff38510d\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center u-mb-ctrl u-mb-10\"><strong><span style=\"font-size:24px\" class=\"swl-fz\">\u3055\u3089\u306b\u8a73\u3057\u304f\u5b66\u3073\u305f\u3044\u65b9\u3078<\/span><\/strong><br><strong><span style=\"font-size:24px\" class=\"swl-fz\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c02\u696d\u30e1\u30fc\u30ab\u30fc\u304c\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u7528\u610f\uff01<\/span><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-swl-deep-01-color has-alpha-channel-opacity has-swl-deep-01-background-color has-background is-style-wide u-mb-ctrl u-mb-15\"\/>\n\n\n\n<div class=\"wp-block-group is-stack is-vertical is-content-justification-center is-layout-flex wp-container-core-group-is-layout-4b2eccd6 wp-block-group-is-layout-flex\">\n<ul style=\"font-size:1em\" class=\"wp-block-list u-mb-ctrl u-mb-10 is-style-check_list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9e12441b2667526aff118967dc86dc21\">\u73fe\u5834\u306e\u6700\u524d\u7dda\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u305f\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8b1b\u5e2b<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-5cc1f6e1c653e189ea41416381cabc3e\">\u5b9f\u6a5f\u3082\u4f7f\u3063\u3066\u5b66\u3079\u308b\u304b\u3089\u3001\u3088\u308a\u751f\u304d\u305f\u77e5\u8b58\u304c\u8eab\u306b\u3064\u304f<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-e4c33dac5c804b101e91cdd94b38b26c\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u77e5\u8b58\u3001\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u306e\u77e5\u8b58\u306a\u3069\u5e45\u5e83\u3044\u8b1b\u5ea7\u304b\u3089\u9078\u3079\u308b<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-1bfcea794614d33a2c0a92acbddf7bd5\">\u30a8\u30f3\u30b8\u30cb\u30a2\u80b2\u6210\u306a\u3069\u793e\u54e1\u7814\u4fee\u306b\u3082\uff01<\/li>\n<\/ul>\n\n\n\n<div class=\"swell-block-button is-style-btn_normal\"><a href=\"https:\/\/www.allied-telesis.co.jp\/training\/?utm_source=netrend&amp;utm_medium=btn&amp;utm_campaign=btn_netrend_training_kijikiso&amp;utm_id=btn_netrend_training_kijikiso#anchor03\" class=\"swell-block-button__link\"><span>\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u8b1b\u5ea7\u306e\u8a73\u7d30\u3092\u898b\u308b<\/span><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-stack alignwide sp_only u-mb-ctrl u-mb-10 has-swl-main-thin-background-color has-background\">\n<p class=\"u-mb-ctrl u-mb-10\"><strong><span style=\"font-size:22px\" class=\"swl-fz\">\u3055\u3089\u306b\u8a73\u3057\u304f\u5b66\u3073\u305f\u3044\u65b9<\/span><\/strong><span style=\"font-size:22px\" class=\"swl-fz\"><strong>\u306f<\/strong><\/span><span style=\"font-size:22px\" class=\"swl-fz\"><strong>\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u8b1b\u5ea7\uff01<\/strong><\/span><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-swl-deep-01-color has-alpha-channel-opacity has-swl-deep-01-background-color has-background is-style-wide u-mb-ctrl u-mb-20\"\/>\n\n\n\n<p class=\"u-mb-ctrl u-mb-10 has-black-color has-text-color has-link-color wp-elements-3570bf8be069232fb710cea3fc946b9f\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c02\u696d\u30e1\u30fc\u30ab\u30fc<\/strong>\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30b5\u30fc\u30d0\u30fc\u69cb\u7bc9\u306a\u3069\u591a\u5f69\u306a\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u8b1b\u5ea7\u3092\u3054\u7528\u610f\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"u-mb-ctrl u-mb-10 has-black-color has-text-color has-link-color wp-elements-ee85ddbab11798e0dd21c9b273b7b329\"><strong>\u73fe\u5834\u306e\u6700\u524d\u7dda\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u305f\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8b1b\u5e2b<\/strong>\u3092\u52d9\u3081\u3001<strong>\u5b9f\u6a5f\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u6307\u5c0e<\/strong>\u3067\u751f\u304d\u305f\u77e5\u8b58\u304c\u8eab\u306b\u3064\u304d\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u80b2\u6210\u3092\u76ee\u7684\u3068\u3057\u305f\u793e\u54e1\u7814\u4fee\u306b\u3082\u6700\u9069\u3067\u3059\uff01<\/p>\n\n\n\n<div class=\"swell-block-button is-style-btn_normal u-mb-ctrl u-mb-10\"><a href=\"https:\/\/www.allied-telesis.co.jp\/training\/?utm_source=netrend&amp;utm_medium=btn&amp;utm_campaign=btn_netrend_training_kijikiso&amp;utm_id=btn_netrend_training_kijikiso#anchor03\" class=\"swell-block-button__link\"><span>\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u8b1b\u5ea7\u306e\u8a73\u7d30\u3092\u898b\u308b<\/span><\/a><\/div>\n<\/div>\n\n\n\n\n\n\n\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u7528\u8a9e\u6982\u8981 DPI\uff08Deep Packet Inspection\uff09\u3068\u306f\u3001\u901a\u4fe1\u30c7\u30fc\u30bf\u3092\u69cb\u6210\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u8eab\u307e\u3067\u78ba\u8a8d\u3057\u3001\u305d\u306e\u901a\u4fe1\u304c\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u3082\u306e\u304b\u3092\u8b58\u5225\u3059\u308b\u6280\u8853\u3067\u3059\u3002 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u901a\u5e38\u3001\u30d1\u30b1 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