{"id":4938,"date":"2025-06-25T13:00:00","date_gmt":"2025-06-25T04:00:00","guid":{"rendered":"https:\/\/www.allied-telesis.co.jp\/netrend\/?post_type=knowledge-tooltips&#038;p=4938"},"modified":"2026-03-25T17:10:20","modified_gmt":"2026-03-25T08:10:20","slug":"sw-sec","status":"publish","type":"knowledge-tooltips","link":"https:\/\/www.allied-telesis.co.jp\/netrend\/knowledge\/sw-sec\/","title":{"rendered":"\u30b9\u30a4\u30c3\u30c1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306a\u305c\u30b9\u30a4\u30c3\u30c1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5fc5\u8981\u306a\u306e\u304b<\/h2>\n\n\n\n<p>\u8fd1\u5e74\u5897\u52a0\u3057\u7d9a\u3051\u3066\u3044\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u5bfe\u3057\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u60c5\u5831\u6f0f\u3048\u3044\u304b\u3089\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b88\u308b\u305f\u3081\u306b\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e00\u822c\u7684\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3088\u308a\u5f37\u56fa\u306b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u8907\u96d1\u306a\u69cb\u6210\u3084\u8a2d\u5b9a\u304c\u6c42\u3081\u3089\u308c\u3001\u7dad\u6301\u306b\u3082\u4eba\u30fb\u5de5\u6570\u30fb\u30b3\u30b9\u30c8\u304c\u639b\u304b\u308a\u3001\u52a0\u3048\u3066\u5f37\u56fa\u306b\u3057\u305f\u304b\u3089\u3053\u305d\u5229\u4fbf\u6027\u304c\u640d\u306a\u308f\u308c\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u3059\u308b\u4e0a\u3067\u306f\u3001\u300c\u3069\u3046\u3044\u3046\u8105\u5a01\u304b\u3089\u300d\u300c\u3069\u308c\u304f\u3089\u3044\u306e\u30ec\u30d9\u30eb\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u3064\u306e\u304b\u300d\u3068\u3044\u3046\u30dd\u30ea\u30b7\u30fc\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<br>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5f53\u793e\u30b9\u30a4\u30c3\u30c1\u88fd\u54c1\u306b\u3082\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u5404\u7a2e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u6a5f\u80fd\u306b\u3064\u3044\u3066Basic\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001Advanced\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001LAN\u74b0\u5883\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56\u306e3\u3064\u306b\u5206\u3051\u3001\u5404\u6a5f\u80fd\u306e\u8aac\u660e\u3084\u8a2d\u5b9a\u4f8b\u306a\u3069\u3092\u4ea4\u3048\u3066\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Basic\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n\n\n\n<p>Basic\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u306f\u3001\u30d4\u30f3\u30dd\u30a4\u30f3\u30c8\u3067\u5bfe\u7b56\u3092\u3057\u305f\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u5bfe\u8c61\u3068\u306a\u308b\u6a5f\u5668\u3001PC\u306e\u79fb\u52d5\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u5834\u5408\u306b\u30b9\u30a4\u30c3\u30c1\u306e\u8a2d\u5b9a\u3060\u3051\u3067\u5b9f\u65bd\u30fb\u9069\u7528\u3067\u304d\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"601\" height=\"371\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_01.png\" alt=\"\" class=\"wp-image-1200\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_01.png 601w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_01-300x185.png 300w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><\/figure><\/div>\n\n\n<div class=\"swell-block-accordion\">\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<\/h4>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff08ASIC\uff09\u3067\u884c\u3046\u300c\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u300d\u3068\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff08CPU\uff09\u3067\u884c\u3046\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u300d\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n<p><strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf<\/strong><br>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u51e6\u7406\u3059\u308b\u305f\u3081\u9ad8\u901f\u3067\u3059\u3002<\/p>\n\n\n\n\n\n\n\n<p><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf<\/strong><br>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u3088\u308a\u3082\u67d4\u8edf\u306a\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u3053\u3068\u3084\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u30ed\u30b0\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\u3001\u30dd\u30ea\u30b7\u30fc\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3088\u308b\u7d4c\u8def\u9078\u629e\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u304c\u3001\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u3042\u3052\u3089\u308c\u307e\u3059\u3002<br>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u308b\u30d1\u30b1\u30c3\u30c8\u306f\u3001IP\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5bfe\u8c61\u3068\u306a\u308b\uff08VLAN\u3092\u8d8a\u3048\u308b\uff09\u30d1\u30b1\u30c3\u30c8\u306b\u9650\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u6761\u4ef6\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>Ethernet\u30d8\u30c3\u30c0\u30fc\u306e\u9001\u4fe1\u5143\u3001\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u30bf\u30a4\u30d7\uff08\u30bf\u30b0\u4ed8\u304d\u3001\u30bf\u30b0\u306a\u3057\uff09<\/li>\n\n\n\n<li>\u5165\u51fa\u529b\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8<\/li>\n\n\n\n<li>IP\u30d8\u30c3\u30c0\u30fc\u306eTOS\u512a\u5148\u5ea6\uff08precedence\uff09\u307e\u305f\u306fDSCP\uff08DiffServ Code Point\uff09\u3001TTL\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u59cb\u70b9\u30fb\u7d42\u70b9IP\u30a2\u30c9\u30ec\u30b9<\/li>\n\n\n\n<li>TCP\u30d8\u30c3\u30c0\u30fc\u306e\u59cb\u70b9\u30fb\u7d42\u70b9\u30dd\u30fc\u30c8\u3001\u5236\u5fa1\u30d5\u30e9\u30b0\uff08Syn\u3001Ack\u3001Fin\uff09<\/li>\n\n\n\n<li>UDP\u30d8\u30c3\u30c0\u30fc\u306e\u59cb\u70b9\u30fb\u7d42\u70b9\u30dd\u30fc\u30c8<\/li>\n\n\n\n<li>TCP\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u65b9\u5411 \uff08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u307f\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u52b9\u679c<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<ul class=\"wp-block-list\">\n<li>\u6b63\u898f\u306e\u9001\u4fe1\u5143\u3092IP\u30a2\u30c9\u30ec\u30b9\u3067\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7279\u5b9a\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02.png\" alt=\"\" class=\"wp-image-1209\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DHCP\u30d1\u30b1\u30c3\u30c8\u3092\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\uff08\u76e3\u8996\uff09\u3057\u3066\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u69cb\u7bc9\u3057\u3001\u52d5\u7684\u306b\u9001\u4fe1\u5143IP\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u6a5f\u80fd\u3067\u3059\u3002DHCP\u3092\u4f7f\u7528\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u6b63\u5f53\u306aPC\uff08DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u3060\u3051\u304cIP\u901a\u4fe1\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7269\u7406\u30dd\u30fc\u30c8\u3092Trusted\u30dd\u30fc\u30c8\u3068Untrusted\u30dd\u30fc\u30c8\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002Trusted\u30dd\u30fc\u30c8\u3067\u306f\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u305b\u305a\u306b\u3001\u5168\u3066\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>Untrusted\u30dd\u30fc\u30c8\u3067\u306f\u3001\u6b63\u3057\u304fDHCP\u30b5\u30fc\u30d0\u30fc\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u3089\u308c\u305fDHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3060\u3051\u304c\u901a\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u56fa\u5b9aIP\u7aef\u672b\u3092\u63a5\u7d9a\u3057\u3066\u3082\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>Untrusted\u30dd\u30fc\u30c8\u306b\u56fa\u5b9aIP\u7aef\u672b\u3092\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306f\u3001Static\u306bMAC\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7269\u7406\u30dd\u30fc\u30c8\u3054\u3068\u306b\u3001DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u6570\u306e\u4e0a\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>ARP\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306aARP\u3092\u5229\u7528\u3057\u305f\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30ea\u30ec\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u60c5\u5831\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\u30b3\u30fc\u30c982\uff09\u306e\u4ed8\u52a0\u30fb\u691c\u67fb\u30fb\u524a\u9664\u304c\u884c\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"708\" height=\"430\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_04.png\" alt=\"\" class=\"wp-image-1222\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_04.png 708w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_04-300x182.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u52b9\u679c<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<ul class=\"wp-block-list\">\n<li>\u6b63\u898f\u306e\u9001\u4fe1\u5143\u3092IP\u30a2\u30c9\u30ec\u30b9\u3067\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7279\u5b9a\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02.png\" alt=\"\" class=\"wp-image-1209\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_02-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ARP poisoning attacks\u3084IP address spoofing\u306a\u3069\u306e\u69d8\u3005\u306a\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>DHCP\u30b5\u30fc\u30d0\u30fc\u3068\u9023\u52d5\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u6301\u8fbcPC\u3092\u7981\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>ProxyARP\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u88c5\u7f6e\u3084DHCP\u30b5\u30fc\u30d0\u30fc\u304c\u8aa4\u3063\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u5834\u5408\u306b\u3001\u305d\u306e\u5f71\u97ff\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u3067\u306f\u4e0d\u5f53\u306aARP\u30d1\u30b1\u30c3\u30c8\u3084DHCP\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3057\u307e\u3059\u306e\u3067\u3001\u3053\u308c\u3089\u306e\u5f71\u97ff\u3092\u306a\u304f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<sup>\u203b1<\/sup><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u306b\u57fa\u3065\u304d\u3001\u30dd\u30fc\u30c8\u3054\u3068\u306b\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u5236\u9650\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\uff08MAC\u30a2\u30c9\u30ec\u30b9\u30ec\u30d9\u30eb\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\uff09<\/li>\n\n\n\n<li>\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308bMAC\u30a2\u30c9\u30ec\u30b9\u306f\u624b\u52d5\u767b\u9332\u304c\u884c\u3048\u308b\u307b\u304b\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u7269\u7406\u30dd\u30fc\u30c8\u3054\u3068\u306b\u5b66\u7fd2\u53ef\u80fd\u306aMAC\u30a2\u30c9\u30ec\u30b9\u6570\u306e\u4e0a\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u52d5\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u81ea\u52d5\u767b\u9332\u3057\u305fMAC\u30a2\u30c9\u30ec\u30b9\u306f\u3001Static\u30a8\u30f3\u30c8\u30ea\u3068\u3057\u3066\u4fdd\u6301\u3059\u308b<sup>\u203b2<\/sup>\u3053\u3068\u3082\u3001FDB\u306e\u30a8\u30fc\u30b8\u30a2\u30a6\u30c8\u306b\u5408\u308f\u305b\u3066\u524a\u9664\u3059\u308b<sup>\u203b3<\/sup>\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u30d1\u30b1\u30c3\u30c8\u7834\u68c4\u3001SNMP\u30c8\u30e9\u30c3\u30d7\u9001\u4fe1\u3001\u7269\u7406\u30dd\u30fc\u30c8\u306e\u30c7\u30a3\u30bb\u30fc\u30d6\u30eb\u306a\u3069\u304b\u3089\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol style=\"background-color:#f5f5f5\" class=\"wp-block-list is-style-note_list has-background\">\n<li class=\"u-mb-ctrl u-mb-0\"><small class=\"mininote\">\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u306f\u3001\u8907\u6570\u306e\u30dd\u30fc\u30c8\u306b\u540c\u3058MAC\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u767b\u9332\u3059\u308b\u6a5f\u5668\u304c\u79fb\u52d5\u3059\u308b\u5834\u5408\u306a\u3069MAC\u30a2\u30c9\u30ec\u30b9\u304c\u8907\u6570\u30dd\u30fc\u30c8\u306b\u307e\u305f\u304c\u308b\u5834\u5408\u306f\u3001MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002<\/small><\/li>\n\n\n\n<li class=\"u-mb-ctrl u-mb-0\"><small class=\"mininote\">Limited\u30e2\u30fc\u30c9\uff0fSecure\u30e2\u30fc\u30c9<\/small><\/li>\n\n\n\n<li class=\"u-mb-ctrl u-mb-0\"><small class=\"mininote\">Dynamic Limited\u30e2\u30fc\u30c9<\/small><\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"708\" height=\"430\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_06.png\" alt=\"\" class=\"wp-image-1226\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_06.png 708w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_06-300x182.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u52b9\u679c<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u3092Static\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u8a72\u5f53\u30dd\u30fc\u30c8\u304b\u3089\u901a\u4fe1\u304c\u884c\u3048\u308b\u7aef\u672b\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u4e0a\u9650\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3092\u507d\u9020\u3057\u306a\u304c\u3089\u5927\u91cf\u306e\u30d5\u30ec\u30fc\u30e0\u3092\u9001\u4fe1\u3059\u308b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08MAC flooding attacks\u306a\u3069\uff09<\/li>\n\n\n\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u306e\u4e0a\u9650\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d3\u30b9\uff08\u30a4\u30f3\u30d5\u30e9\uff09\u3092\u63d0\u4f9b\u3059\u308b\u4e8b\u696d\u8005\u306a\u3069\u306b\u304a\u3044\u3066\u3001\u5229\u7528\u8005\u5074\u3067\u5229\u7528\u53ef\u80fd\u306a\u7aef\u672b\u306e\u63a5\u7d9a\u53f0\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/details>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Advanced\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h2>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u7ba1\u7406\u3057\u305f\u3044\u3001\u307e\u305f\u306f\u5bfe\u8c61\u3068\u306a\u308b\u6a5f\u5668\u3001PC\u306e\u79fb\u52d5\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u7528\u610f\u3057\u96c6\u4e2d\u7ba1\u7406\u3059\u308b\u30bf\u30a4\u30d7\u3067\u3042\u308bAdvanced\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"629\" height=\"389\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_08.png\" alt=\"\" class=\"wp-image-1231\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_08.png 629w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_08-300x186.png 300w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><\/figure><\/div>\n\n\n<div class=\"swell-block-accordion\">\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\"><\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n\n<\/div><\/details>\n<\/div>\n\n\n\n<div class=\"swell-block-accordion\">\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">IEEE 802.1\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<\/h4>\n\n\n\n<p>IEEE 802.1X\u8a8d\u8a3c\u306f\u3001EAP\uff08Extensible Authentication Protocol\uff09\u3068\u3044\u3046\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u5358\u4f4d\u3067\u8a8d\u8a3c\u3092\u884c\u3046\u3057\u304f\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u3055\u308c\u308b\u6a5f\u5668\u306b\u306f\u3001EAP\u3067\u901a\u4fe1\u3059\u308b\u6a5f\u80fd\uff08\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8\uff09\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u306f\u3001\u6a5f\u5668\u306eMAC\u30a2\u30c9\u30ec\u30b9\u306b\u57fa\u3065\u3044\u3066\u6a5f\u5668\u5358\u4f4d\u3067\u8a8d\u8a3c\u3092\u884c\u3046\u3057\u304f\u307f\u3067\u3059\u3002\u30b9\u30a4\u30c3\u30c1\u304c\u8a8d\u8a3c\u3055\u308c\u308b\u6a5f\u5668\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u51fa\u3057\u3001\u8a8d\u8a3c\u3092\u884c\u3046\u305f\u3081\u3001\u6a5f\u5668\u5074\u306b\u8a8d\u8a3c\u6a5f\u80fd\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u8a8d\u8a3c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u5fdc\u3058\u3066\u6307\u5b9a\u3057\u305fVLAN\u3092\u5272\u308a\u632f\u308b\u6a5f\u80fd\uff08\u30c0\u30a4\u30ca\u30df\u30c3\u30afVLAN\uff09\u3082\u53ef\u80fd\u3067\u3059\u3002<br><br>\u30dd\u30fc\u30c8\u914d\u4e0b\u306b\u8907\u6570\u306e\u6a5f\u5668\u304c\u63a5\u7d9a\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u500b\u5225\u306b\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08Multiple Authentication \uff08Multiple Supplicant\uff09\uff09<\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30dd\u30fc\u30c8\u3054\u3068\u306bSingle\uff0fMultiple Authentication\u306e\u9078\u629e\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>Multiple Authentication\u6a5f\u80fd\u4f7f\u7528\u6642\u3001\u914d\u4e0b\u306b\u8a2d\u7f6e\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u306fEAP\u900f\u904e\u6a5f\u80fd\u304c\u5fc5\u8981\uff08\u5bfe\u5fdc\u88fd\u54c1\u307e\u305f\u306fHUB\u306a\u3069\u306e\u30b7\u30a7\u30a2\u30fc\u30c9\u30e1\u30c7\u30a3\u30a2\uff09<\/li>\n<\/ul>\n\n\n\n\n\n\n\n<p>\u30dd\u30fc\u30c8\u914d\u4e0b\u306b\u8907\u6570\u306e\u6a5f\u5668\u304c\u63a5\u7d9a\u3057\u3066\u304a\u308a\u3001EAP\u3092\u4f7f\u7528\u3067\u304d\u306a\u3044\u6a5f\u5668\uff08\u4f8b\uff1a \u30d7\u30ea\u30f3\u30bf\u30fc\uff09 \u3068\u3001\u4f7f\u7528\u3067\u304d\u308b\u6a5f\u5668\u304c\u6df7\u5728\u3059\u308b\u74b0\u5883\u3067\u3082\u3001\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308c\u3070\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3068\u306e\u4f75\u7528\u6a5f\u80fd\uff1a \u30dd\u30fc\u30c8\u914d\u4e0b\u306e\u6a5f\u5668\u3092IEEE 802.1X \u8a8d\u8a3c\u3001MAC\u8a8d\u8a3c\u3044\u305a\u308c\u304b\u3067\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8MAC\uff1a\u30b9\u30a4\u30c3\u30c1\u306b\u767b\u9332\u3057\u305fMAC\u30a2\u30c9\u30ec\u30b9\u3092\u8a8d\u8a3c\u6e08\u307f\u306b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"708\" height=\"430\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_09.png\" alt=\"\" class=\"wp-image-1243\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_09.png 708w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_09-300x182.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure>\n\n\n\n\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">Web\u8a8d\u8a3c<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<\/h4>\n\n\n\n<p>Web\u8a8d\u8a3c\u306f\u3001\u30b9\u30a4\u30c3\u30c1-\u6a5f\u5668\u9593\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066HTTP\uff0fHTTPS\u3092\u4f7f\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u5358\u4f4d\u3067\u8a8d\u8a3c\u3092\u884c\u3046\u3057\u304f\u307f\u3067\u3059\u3002\u8a8d\u8a3c\u3055\u308c\u308b\u6a5f\u5668\u306b\u306f\u3001Web\u30d6\u30e9\u30a6\u30b6\u30fc\u304c\u3042\u308c\u3070\u826f\u304f\u3001MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3068\u540c\u69d8\u306b\u30b5\u30d7\u30ea\u30ab\u30f3\u30c8\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002\u307e\u305f\u3001HTTPS\u306b\u3088\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3082\u3088\u308a\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1\u304cWeb\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u5165\u529b\u3055\u308c\u305f\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3092HTTP\uff0fHTTPS\u3067\u6a5f\u5668\u304b\u3089\u53d6\u5f97\u3057\u3001RADIUS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u8a8d\u8a3c\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u5fdc\u3058\u3066\u6307\u5b9a\u3057\u305fVLAN\u3092\u5272\u308a\u632f\u308b\u6a5f\u80fd\uff08\u30c0\u30a4\u30ca\u30df\u30c3\u30afVLAN\uff09\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30dd\u30fc\u30c8\u914d\u4e0b\u306b\u8907\u6570\u306e\u6a5f\u5668\u304c\u63a5\u7d9a\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u500b\u5225\u306b\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08Multiple Authentication \uff08Multiple Supplicant\uff09\uff09<\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30dd\u30fc\u30c8\u3054\u3068\u306bSingle\uff0fMultiple Authentication\u306e\u9078\u629e\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>Multiple Authentication\u6a5f\u80fd\u4f7f\u7528\u6642\u3001\u914d\u4e0b\u306b\u8a2d\u7f6e\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u306bEAP\u900f\u904e\u6a5f\u80fd\u306f\u4e0d\u8981\u3067\u3059<\/li>\n<\/ul>\n\n\n\n<p>Web\u8a8d\u8a3c\u306f\u3001IEEE 802.1X\u8a8d\u8a3c\u30fbMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u3067\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"708\" height=\"430\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_10.png\" alt=\"\" class=\"wp-image-1348\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_10.png 708w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_10-300x182.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure><\/div><\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">IEEE 802.1X\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\uff0fWeb\u8a8d\u8a3c\u306e\u52d5\u4f5c\u3068\u52b9\u679c<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6982\u8981<\/h4>\n\n\n\n<p>IEEE802.1X\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\uff0fWeb\u8a8d\u8a3c\u306e3\u3064\u306e\u8a8d\u8a3c\u65b9\u5f0f\u30921\u3064\u306e\u30dd\u30fc\u30c8\u4e0a\u3067\u4f75\u7528\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n\n\n\n\n<p class=\"u-mb-ctrl u-mb-0\"><strong>[\u8a8d\u8a3c\u65b9\u5f0f\u306e\u4f75\u7528\u6642\u306e\u52d5\u4f5c]<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background-color:#f5f5f5\"><tbody style=\"--tbody-th-color--bg:#f5e7e5;--tbody-th-color--txt:var(--swl-text_color--black)\"><tr><th>SBx8100<br>SBx908<br>x900<br>x610<br>x600<\/th><th>x510<br>x510DP<br>IX5<br>x310<br>x230<\/th><th>x210<br>x200<br>GS900M V2<br>FS900M<br>9048XL<\/th><th>9424T<\/th><\/tr><tr><td colspan=\"3\">MAC\u8a8d\u8a3c\u3092\u5148\u306b\u5b9f\u65bd\u3057\u3001MAC\u8a8d\u8a3c\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001802.1X\u8a8d\u8a3c\u304bWeb\u8a8d\u8a3c\u306e\u3069\u3061\u3089\u304b\u5148\u306b\u958b\u59cb\u3055\u308c\u305f\u307b\u3046\u3067\u8a8d\u8a3c\u3092\u5b9f\u65bd\u53ef\u80fd<\/td><td>MAC\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3092\u5148\u306b\u5b9f\u884c\u3059\u308b\u304c\u3001EAPOL-Start\u3092\u53d7\u4fe1\u3057\u305f\u3068\u304d\u306f\u305f\u3060\u3061\u306b802.1X\u8a8d\u8a3c\u3092\u5b9f\u65bd\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u52b9\u679c<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\uff0f\u6a5f\u5668\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u9032\u5165\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Web\u8a8d\u8a3c\u3067\u306f\u3001\u57fa\u672c\u7684\u306bWeb\u30d6\u30e9\u30a6\u30b6\u30fc\u3092\u642d\u8f09\u3057\u305f\u6a5f\u5668\u3067\u3042\u308c\u3070\u3001\u8a8d\u8a3c\u304c\u53ef\u80fd\u3067\u3059\u3002PC\u3092\u7d71\u4e00\u3067\u304d\u306a\u3044\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u304cMAC\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u8a8d\u8a3c\u3059\u308b\u6a5f\u5668\u3092\u9078\u3073\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>MAC flooding attacks\u3001DHCP starvation attacks\u306e\u69d8\u306a\u653b\u6483\u3092\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30ed\u30fc\u30ab\u30ebRADIUS\u30b5\u30fc\u30d0\u30fc\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u7528\u610f\u3059\u308b\u3053\u3068\u306a\u304f\u8a8d\u8a3c\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30b9\u30c8\uff0f\u904b\u7528\u9762\uff0f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3067\u306e\u8ca0\u62c5\u304c\u524a\u6e1b\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981<\/h4>\n\n\n\n<p>2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3068\u306f\u3001Supplicant\u304cIEEE 802.1X\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\uff0fWeb\u8a8d\u8a3c\u306e\u3046\u30612\u3064\u306e\u8a8d\u8a3c\u65b9\u5f0f\u3092\u9023\u7d9a\u3057\u3066\u6210\u529f\u3057\u305f\u3068\u304d\u306b\u521d\u3081\u3066\u901a\u4fe1\u304c\u8a31\u53ef\u3055\u308c\u308b\u8a8d\u8a3c\u65b9\u5f0f\u3067\u3059\u3002<br>2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3067\u8a8d\u8a3c\u6210\u529f\u3068\u306a\u308b\u7d44\u307f\u5408\u308f\u305b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c \u25cb \u2192 IEEE 802.1X\u8a8d\u8a3c \u25cb<\/li>\n\n\n\n<li>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c \u25cb \u2192 Web\u8a8d\u8a3c \u25cb<\/li>\n\n\n\n<li>IEEE 802.1X\u8a8d\u8a3c \u25cb \u2192 Web\u8a8d\u8a3c \u25cb<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"796\" height=\"287\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_11.png\" alt=\"\" class=\"wp-image-1268\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_11.png 796w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_11-300x108.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_11-768x277.png 768w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u52b9\u679c<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f93\u6765\u306e\u8a8d\u8a3c\u3067\u306f\u3001IEEE 802.1X\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\uff0fWeb\u8a8d\u8a3c\u306e\u3044\u305a\u308c\u304b1\u3064\u306e\u65b9\u5f0f\u3067\u8a8d\u8a3c\u306b\u6210\u529f\u3059\u308c\u3070\u901a\u4fe1\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u30012\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3067\u306f2\u3064\u306e\u65b9\u5f0f\u306b\u6210\u529f\u3057\u305f\u3068\u304d\u3060\u3051\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3088\u308a\u9ad8\u3081\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u4e0d\u6b63\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u308b\u6b63\u898f\u30e6\u30fc\u30b6\u30fcPC\u306e\u4f7f\u7528\u3084\u3001\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u6301\u3061\u8fbc\u307fPC\u306e\u4f7f\u7528\u3001\u4e07\u304c\u4e00\u306eID\uff0fPASS\u306e\u6f0f\u3048\u3044\u6642\u306a\u3069\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"796\" height=\"287\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_12.png\" alt=\"\" class=\"wp-image-1270\" style=\"width:1026px;height:auto\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_12.png 796w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_12-300x108.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_12-768x277.png 768w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306e\u8a2d\u5b9a\u65b9\u6cd5\u2460<\/h4>\n\n\n\n<p><strong>\u8a8d\u8a3c\u30b9\u30a4\u30c3\u30c1\u3068RADIUS\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9593\u3067\u4f7f\u7528\u3059\u308b\u8a8d\u8a3c\u65b9\u5f0f\u3092\u3001\u305d\u308c\u305e\u308c\u5225\u306e\u65b9\u5f0f\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/strong><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f5f5f5\">2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3067\u306f\u3001\u7570\u306a\u308b\u8a8d\u8a3c\u8981\u7d20\u30672\u6bb5\u968e\u306e\u8a8d\u8a3c\u3092\u5b9f\u65bd\u3059\u308b\u70ba\u306b\u3001\u8a8d\u8a3c\u30b9\u30a4\u30c3\u30c1\u3068RADIUS\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u9593\u3067\u4f7f\u7528\u3059\u308b\u8a8d\u8a3c\u65b9\u5f0f\u3092\u305d\u308c\u305e\u308c\u5225\u306e\u65b9\u5f0f\u306b\u3066\u8a2d\u5b9a\u3057\u3066\u4e0b\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001RADIUS\u30b5\u30fc\u30d0\u30fc\u5074\u30671\u56de\u76ee\u306e\u8a8d\u8a3c\u30682\u56de\u76ee\u306e\u8a8d\u8a3c\u306e\u30e6\u30fc\u30b6\u30fc\u540d\uff0f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u533a\u5225\u53ef\u80fd\u306b\u306a\u308b\u305f\u3081\u30012\u56de\u76ee\u306e\u8a8d\u8a3c\u6642\u306b1\u56de\u76ee\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u5165\u529b\u3057\u3066\u3082\u3001\u8a8d\u8a3c\u6210\u529f\u3068\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"796\" height=\"287\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_13.png\" alt=\"\" class=\"wp-image-1272\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_13.png 796w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_13-300x108.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_13-768x277.png 768w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">2\u30b9\u30c6\u30c3\u30d7\u8a8d\u8a3c\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306e\u8a2d\u5b9a\u65b9\u6cd5\u2461<\/h4>\n\n\n\n<p><strong>MAC\u8a8d\u8a3c\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5171\u901a\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u8a2d\u5b9a\u3059\u308b<\/strong><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f5f5f5\">\u5f53\u793e\u30b9\u30a4\u30c3\u30c1\u88fd\u54c1\u3067\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f35.5.4\u4ee5\u964d\u3067\u3001MAC\u8a8d\u8a3c\u3067\u4f7f\u7528\u3059\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u5171\u901a\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u8a8d\u8a3c\u30b9\u30a4\u30c3\u30c1\u3067\u3001MAC\u8a8d\u8a3c\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5171\u901a\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\uff08\u5168\u30e6\u30fc\u30b6\u30fc\u5171\u901a\uff09\u306b\u8a2d\u5b9a\u3057\u3001RADIUS\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u306f\u3001MAC\u8a8d\u8a3c\u30e6\u30fc\u30b6\u30fc\u3092\u767b\u9332\u3059\u308b\u969b\u306b\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306bMAC\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u8a8d\u8a3c\u30b9\u30a4\u30c3\u30c1\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br><br>\u203b \u672c\u8a2d\u5b9a\u306f \u300cMAC\u8a8d\u8a3c + Web\u8a8d\u8a3c\u300d\u3001\u300cMAC\u8a8d\u8a3c + Web\u8a8d\u8a3c\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u6642\u306b\u6709\u52b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"796\" height=\"287\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_14.png\" alt=\"\" class=\"wp-image-1274\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_14.png 796w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_14-300x108.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_14-768x277.png 768w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure><\/div>\n\n\n\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">L3\u30e2\u30fc\u30c9 \u30a8\u30f3\u30cf\u30f3\u30b9\u30c8 \u30b2\u30b9\u30c8VLAN<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981\u30fb\u52b9\u679c<\/h4>\n\n\n\n<p>\u8a8d\u8a3c\u524d\u7aef\u672b\u306b\u5bfe\u3057\u3066DHCP\u306b\u3088\u308bIP\u306e\u53d6\u5f97\u3084\u3001\u7279\u5b9a\u306e\u30b5\u30fc\u30d0\u30fc\uff0f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u5bb9\u3057\u3001\u67d4\u8edf\u306a\u8a8d\u8a3c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>NAP\u74b0\u5883\u306b\u9069\u3057\u305f\u8a8d\u8a3c\u524d\u7aef\u672b\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u30ba\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<br>\u540c\u4e00\u30c9\u30e1\u30a4\u30f3\u5185\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u307f\u306a\u3089\u305a\u3001L3\u30e2\u30fc\u30c9 \u30a8\u30f3\u30cf\u30f3\u30b9\u30c8 \u30b2\u30b9\u30c8VLAN\u3067\u306f\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08VLAN\uff09\u3078\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u4f34\u3046\u30a2\u30af\u30bb\u30b9\u3092\u3082\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f5f5f5\">\u4f8b\u3048\u3070\u3001NAP\u306fActive Directory\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001IEEE 802.1X\u8a8d\u8a3c\uff08\u304a\u3088\u3073NAP\u691c\u75ab\uff09\u3068Active Directory\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306f\u540c\u671f\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001IEEE 802.1X\u8a8d\u8a3c\u524d\u306bActive Directory\u306e\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u304c\u884c\u308f\u308c\u305f\u5834\u5408\u3001\u30dd\u30fc\u30c8\u304c\u958b\u653e\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u901a\u4fe1\u304c\u3067\u304d\u305a\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u304c\u5931\u6557\u3057\u307e\u3059\u3002<br>\u3057\u304b\u3057\u3001\u4f8b\u3048\u3070\u3001L3\u30e2\u30fc\u30c9 \u30a8\u30f3\u30cf\u30f3\u30b9\u30c8 \u30b2\u30b9\u30c8VLAN\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8a8d\u8a3c\u524d\u7aef\u672b\u3067\u3082Active Directory\u3078\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3068\u306a\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u304c\u53ef\u80fd\u3068\u306a\u308a\u3001\u69cb\u6210\u5909\u66f4\u30fb\u8a2d\u5b9a\u5909\u66f4\u3092\u3059\u308b\u3053\u3068\u7121\u304f\u3001NAP\u74b0\u5883\u5b9f\u73fe\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"721\" height=\"291\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_15.png\" alt=\"\" class=\"wp-image-1275\" style=\"width:796px;height:auto\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_15.png 721w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_15-300x121.png 300w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure><\/div>\n\n\n\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">Auth-fail VLAN<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981\u30fb\u52b9\u679c<\/h4>\n\n\n\n<p>\u8a8d\u8a3c\u5931\u6557\u6642\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8a2d\u5b9a\u3057\u305f\u4efb\u610f\u306eVLAN\u3078\u79fb\u52d5\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f5f5f5\">\u901a\u5e38\u3001IEEE 802.1X\u8a8d\u8a3c\u3084MAC\u8a8d\u8a3c\u3001Web\u8a8d\u8a3c\u306a\u3069\u3067\u8a8d\u8a3cNG\u3068\u306a\u308b\u3068\u3001\u305d\u306e\u7aef\u672b\u306e\u901a\u4fe1\u306f\u5168\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u672c\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3067\u3001\u4f8b\u3048\u3070\u6b63\u898f\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u6301\u305f\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u3067\u3082\u5236\u9650\u4ed8\u304d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u4f8b\uff1a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a2\u30af\u30bb\u30b9\u306e\u307f\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306a\u3069\u304c\u5b9f\u73fe\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"721\" height=\"291\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_16.png\" alt=\"\" class=\"wp-image-1276\" style=\"width:796px;height:auto\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_16.png 721w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_16-300x121.png 300w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure><\/div>\n\n\n\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">\u30d7\u30ed\u30df\u30b9\u30ad\u30e3\u30b9\uff0f\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8 Web\u8a8d\u8a3c<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981\u30fb\u52b9\u679c<\/h4>\n\n\n\n<p>Web\u8a8d\u8a3c\u88c5\u7f6e\u3068\u306a\u308b\u30b9\u30a4\u30c3\u30c1\uff08Authenticator\uff09\u3092L2\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u52d5\u4f5c\u3055\u305b\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p><br>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08Supplicant\uff09\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u30b9\u30a4\u30c3\u30c1\uff08Authenticator\uff09 \u3068\u305b\u305a\u3068\u3082\u3001Web\u8a8d\u8a3c\u3092\u5f37\u5236\u7684\u306b\u52d5\u4f5c\u3055\u305b\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001Authenticator\u3054\u3068\u306b\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30a8\u30c3\u30b8\uff0f\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30a4\u30c3\u30c1\u3067\u306eWeb\u8a8d\u8a3c\u3092\u884c\u306a\u3046\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"686\" height=\"315\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_17.png\" alt=\"\" class=\"wp-image-1278\" style=\"width:796px;height:auto\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_17.png 686w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_17-300x138.png 300w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/figure><\/div>\n\n\n\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">\u30ed\u30fc\u30ab\u30ebRADIUS\u30b5\u30fc\u30d0\u30fc<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">\u6a5f\u80fd\u6982\u8981\u30fb\u52b9\u679c<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30a4\u30c3\u30c1\u5185\u90e8\u306b\u767b\u9332\u3055\u308c\u305f\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u8a8d\u8a3c\u3092\u884c\u3044\u3001\u5916\u90e8RADIUS\u30b5\u30fc\u30d0\u30fc\u3092\u4e0d\u8981\u3068\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>IEEE 802.1X\u8a8d\u8a3c\uff0fMAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c\uff0fWeb\u8a8d\u8a3c\u6a5f\u80fd\u306b\u5bfe\u5fdc\u53ef\u80fd<\/li>\n\n\n\n<li>PEAP\uff0fTLS\u306a\u3069\u69d8\u3005\u306a\u8a8d\u8a3c\u65b9\u5f0f\u306b\u5bfe\u5fdc\u53ef\u80fd<\/li>\n\n\n\n<li>\u914d\u4e0b\u306eAuthenticator\uff08RADIUS\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08NAS\uff09\uff09\u306b\u5bfe\u3059\u308bRADIUS\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u3082\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u72ec\u81ea\u306e\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3059\u308b\u30ed\u30fc\u30ab\u30ebCA\u6a5f\u80fd\u304c\u4ed8\u5c5e\u3057\u3066\u304a\u308a\u3001\u5225\u9014\u8a8d\u8a3c\u5c40\uff08CA\uff09\u3092\u7528\u610f\u304c\u4e0d\u8981<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u767b\u9332\uff1a100\u4ef6\u307e\u3067\u767b\u9332\u3000\u3000NAS\u767b\u9332\u6570\uff1a\u6700\u592724\u4ef6\u307e\u3067\u767b\u9332<\/li>\n<\/ul>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list is-style-note_list has-background\">\n<li class=\"u-mb-ctrl u-mb-0\"><small class=\"mininote\">SBx8100\u30b7\u30ea\u30fc\u30ba\u3001SBx908\u30b7\u30ea\u30fc\u30ba\u3001x900\u30b7\u30ea\u30fc\u30ba\u3001x610\u30b7\u30ea\u30fc\u30ba\u3001x600\u30b7\u30ea\u30fc\u30ba\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u30e9\u30a4\u30bb\u30f3\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u30e6\u30fc\u30b6\u30fc\u767b\u9332\u6570\u30921000\u4ef6\u307e\u3067\u3001NAS\u767b\u9332\u6570\u3092100\u4ef6\u307e\u3067\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/small><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"648\" height=\"297\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_18.png\" alt=\"\" class=\"wp-image-1283\" style=\"width:796px;height:auto\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_18.png 648w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_18-300x138.png 300w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table is-all-centered\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#f5f5f5\"><tbody style=\"--tbody-th-color--bg:#f5e7e5;--tbody-th-color--txt:var(--swl-text_color--black)\"><tr><th rowspan=\"2\">\u8a8d\u8a3c\u65b9\u5f0f<\/th><th colspan=\"3\">\u30ed\u30fc\u30ab\u30ebRADIUS\u30b5\u30fc\u30d0\u30fc \u30b5\u30dd\u30fc\u30c8\u6a5f\u80fd<\/th><\/tr><tr><th>IEEE 802.1X\u8a8d\u8a3c<\/th><th>MAC\u30a2\u30c9\u30ec\u30b9\u30d9\u30fc\u30b9\u8a8d\u8a3c<\/th><th>Web\u8a8d\u8a3c<\/th><\/tr><tr><td>PAP\uff0fCHAP<\/td><td>\uff0d<\/td><td>\u25cb<\/td><td>\u25cb<\/td><\/tr><tr><td>EAP-MD5<\/td><td>\u25cb<\/td><td>\u25cb<\/td><td>\u25cb<\/td><\/tr><tr><td>EAP-TLS<\/td><td>\u25cb<\/td><td>\uff0d<\/td><td>\uff0d<\/td><\/tr><tr><td>EAP-PEAP<\/td><td>\u25cb<\/td><td>\uff0d<\/td><td>\uff0d<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/details>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">LAN\u74b0\u5883\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56<\/h2>\n\n\n\n<p>\u8fd1\u5e74\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306eWAN\u74b0\u5883\u3060\u3051\u3067\u306a\u304f\u3001LAN\u74b0\u5883\u306b\u304a\u3051\u308b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56\u3082\u91cd\u8981\u306a\u8ab2\u984c\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3084PC\u306e\u5bfe\u7b56\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u30bd\u30d5\u30c8\u306a\u3069\u3067\u306e\u5f37\u5316\u304c\u5e38\u8b58\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30b9\u30a4\u30c3\u30c1\u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3092\u72d9\u3063\u305f\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306b\u3088\u3063\u3066\u3082\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u4f01\u696d\u6d3b\u52d5\u306b\u91cd\u5927\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001LAN\u74b0\u5883\u3067\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u5b9f\u4f8b\u3068\u30a2\u30e9\u30a4\u30c9\u30c6\u30ec\u30b7\u30b9\u306e\u30b9\u30a4\u30c3\u30c1\u88fd\u54c1\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u5b9f\u73fe\u3059\u308b\u5bfe\u7b56\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-accordion\">\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">MAC flooding attacks<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">MAC flooding attacks\u3068\u306f\uff1f<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<p>\u30b9\u30a4\u30c3\u30c1\u306eFDB\uff08Forwarding Database\uff09\u3092\u67af\u6e07\u3055\u305b\u308b\u3053\u3068\u306b\u3088\u308a\u30d5\u30ec\u30fc\u30e0\u3092\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3055\u305b\u3066\u76d7\u8074\u3092\u884c\u3046\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002\u901a\u5e38\u3001\u30b9\u30a4\u30c3\u30c1\u306fMAC\u30a2\u30c9\u30ec\u30b9\u3092\u5b66\u7fd2\u3057\u3066\u8a72\u5f53\u30dd\u30fc\u30c8\u306e\u307f\u30d5\u30ec\u30fc\u30e0\u3092\u8ee2\u9001\u3059\u308b\u4ed5\u7d44\u307f\u306e\u305f\u3081\u76d7\u8074\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br>\u305f\u3060\u3057\u3001FDB\u304c\u67af\u6e07\u3059\u308b\u3068MAC\u30a2\u30c9\u30ec\u30b9\u306e\u5b66\u7fd2\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u67af\u6e07\u5f8c\u306e\u672a\u5b66\u7fd2\u30d5\u30ec\u30fc\u30e0\u306f\u5168\u3066\u306e\u30dd\u30fc\u30c8\u306b\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_19.png\" alt=\"\" class=\"wp-image-1375\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_19.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_19-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_19-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">MAC flooding attacks\u3078\u306e\u5bfe\u7b56<\/h4>\n\n\n\n<p><strong>\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u63a5\u7d9a\u30dd\u30fc\u30c8\u306b\u5b66\u7fd2\u53ef\u80fd\u306aMAC\u30a2\u30c9\u30ec\u30b9\u306e\u4e0a\u9650\u3092\u8a2d\u3051\u308b<br>\u2013 FDB\u3092\u67af\u6e07\u3055\u305b\u306a\u3044<br>\u2013 \u30dd\u30fc\u30c8\u3054\u3068\u306b\u95be\u5024\u3092\u5909\u66f4\u53ef\u80fd<\/li>\n\n\n\n<li>\u4e0a\u9650\u5024\u3092\u8d85\u3048\u305f\u6642\u306e\u52d5\u4f5c\u306f\u9078\u629e\u53ef\u80fd<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4\uff06SNMP-Trap\u306e\u9001\u51fa<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4\uff06SNMP-Trap\u306e\u9001\u51fa\uff06\u30dd\u30fc\u30c8\u3092\u30c7\u30a3\u30bb\u30fc\u30d6\u30eb<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u306e\u63a5\u7d9a\u30dd\u30fc\u30c8\u3067\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u52b9\u679c\u7684<\/li>\n\n\n\n<li>\u4e0a\u9650\u5024\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3068\u5229\u4fbf\u6027\uff0f\u62e1\u5f35\u6027\u3092\u8003\u616e\u3057\u3066\u6c7a\u5b9a<\/li>\n<\/ul>\n\n\n\n<p><strong>\u305d\u306e\u4ed6<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>IEEE 802.1X\u8a8d\u8a3c\uff08SingleHost\u69cb\u6210\uff09\u3082\u6709\u52b9<\/li>\n<\/ul>\n\n\n\n<p><br><\/p>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">DHCP starvation attacks<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">DHCP starvation attacks\u3068\u306f\uff1f<\/h4>\n\n\n\n<p>\u9001\u4fe1\u5143MAC\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u306a\u304c\u3089DHCP\u30b5\u30fc\u30d0\u30fc\u3078IP\u30a2\u30c9\u30ec\u30b9\u5272\u308a\u5f53\u3066\u3092\u8981\u6c42\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u3092\u67af\u6e07\u3055\u305b\u308b\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">DHCP starvation attacks\u3078\u306e\u5bfe\u7b56<\/h4>\n\n\n\n<p><strong>\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u63a5\u7d9a\u30dd\u30fc\u30c8\u306b\u5b66\u7fd2\u53ef\u80fd\u306aMAC\u30a2\u30c9\u30ec\u30b9\u306e\u4e0a\u9650\u3092\u8a2d\u3051\u308b<br>\u2013 DHCP\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u3092\u67af\u6e07\u3055\u305b\u306a\u3044<br>\u2013 \u30dd\u30fc\u30c8\u3054\u3068\u306b\u95be\u5024\u3092\u5909\u66f4\u53ef\u80fd<\/li>\n\n\n\n<li>\u4e0a\u9650\u5024\u3092\u8d85\u3048\u305f\u6642\u306e\u52d5\u4f5c\u306f\u9078\u629e\u53ef\u80fd<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4\uff06SNMP-Trap\u306e\u9001\u51fa<br>\u2013 \u53d7\u4fe1\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u68c4\uff06SNMP-Trap\u306e\u9001\u51fa\uff06\u30dd\u30fc\u30c8\u3092Disable<\/li>\n<\/ul>\n\n\n\n<p><strong>DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001IP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u3092\u67af\u6e07\u3055\u305b\u308b\u4e0d\u6b63\u306aDHCP\u30d1\u30b1\u30c3\u30c8\u3092\u653e\u68c4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u306e\u63a5\u7d9a\u30dd\u30fc\u30c8\u3067\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u52b9\u679c\u7684<\/li>\n\n\n\n<li>\u4e0a\u9650\u5024\u306fDHCP\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u6570\u3092\u8003\u616e\u3057\u3066\u6c7a\u5b9a<br>\u2013 IP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u306b\u4f59\u88d5\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u3001\u4e0a\u9650\u5024\u3092\u4f4e\u304f\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u305d\u306e\u4ed6<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>IEEE 802.1X\u8a8d\u8a3c\uff08SingleHost\u69cb\u6210\uff09\u3082\u6709\u52b9<\/li>\n<\/ul>\n\n\n\n<p><br><\/p>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">DHCP rogue server attacks<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">DHCP rogue server attacks\u3068\u306f\uff1f<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<p>\u4e0d\u6b63\u306aDHCP\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3057\u3066\u4e0d\u6b63\u306a\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e IP\u30a2\u30c9\u30ec\u30b9\u3084DNS\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5272\u308a\u5f53\u3066\u3001\u76d7\u8074\u306a\u3069\u3092\u884c\u3046\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002\u653b\u6483\u3092\u6210\u7acb\u3055\u305b\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001DHCP starvation attacks\u306a\u3069\u3082\u4f75\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_20.png\" alt=\"\" class=\"wp-image-1300\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_20.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_20-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_20-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">DHCP rogue server attacks\u3078\u306e\u5bfe\u7b56<\/h4>\n\n\n\n<p><strong>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>68\uff0fudp\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u4e0d\u6b63DHCP\u30b5\u30fc\u30d0\u30fc\u3092\u6392\u9664<br>\u2013 \u6b63\u898f\u306eDHCP\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u8a31\u53ef<br>\u2013 \u305d\u306e\u4ed6IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e68\uff0fudp\u306f\u5168\u3066\u7834\u68c4<\/li>\n<\/ul>\n\n\n\n<p><strong>DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>Untrusted\u30dd\u30fc\u30c8\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30dd\u30fc\u30c8\uff09\u304b\u3089\u306e68\uff0fudp\uff08\u5b9b\u5148\u30dd\u30fc\u30c8\uff09\u304c\u7834\u68c4\u3055\u308c\u308b\u305f\u3081\u3001\u4e0d\u6b63\u306aDHCP\u30b5\u30fc\u30d0\u30fc\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>L2\u30b9\u30a4\u30c3\u30c1\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u306e\u304c\u52b9\u679c\u7684<br>\u2013 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u53ce\u5bb9\u3059\u308b\u30b9\u30a4\u30c3\u30c1\u3067\u9069\u7528\u3059\u308b\u3068\u6700\u3082\u88ab\u5bb3\u7bc4\u56f2\u304c\u5c11\u306a\u304f\u306a\u308b<br>\u2013 \u901a\u5e38\u306eL2\u30b9\u30a4\u30c3\u30c1\u3067L4\u30ec\u30d9\u30eb\uff08tcp\uff0fudp\uff09\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u56f0\u96e3<br>\u3000L2 Plus\u88fd\u54c1\u7fa4\u3067\u306fL4\u60c5\u5831\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u884c\u3048\u307e\u3059\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u51e6\u7406\uff09<br>\u3000L3\u88fd\u54c1\u7fa4\u3082L2\u30e2\u30fc\u30c9\u3067L4\u60c5\u5831\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u884c\u3048\u307e\u3059\uff08\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u51e6\u7406\uff09<\/li>\n<\/ul>\n\n\n\n<p><br><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"721\" height=\"291\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_21.png\" alt=\"\" class=\"wp-image-1381\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_21.png 721w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_21-300x121.png 300w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure><\/div><\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">IP address spoofing<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">IP address spoofing\u3068\u306f\uff1f<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306e\u8a50\u79f0\u3092\u884c\u3044\u3001\u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u56de\u907f\u3057\u3066\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3046\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30bf\u30fc\u3084L3\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001\u5b9b\u5148IP\u3092\u53c2\u7167\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u52d5\u4f5c\u3092\u884c\u3046\u305f\u3081\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306f\u901a\u5e38\u30c1\u30a7\u30c3\u30af\u3055\u308c\u306a\u3044<\/li>\n\n\n\n<li>IP Option\u306eStrict\uff0fLoose Source Route\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u623b\u308a\u30d1\u30b1\u30c3\u30c8\u3092\u4e0d\u6b63\u7aef\u672b\u306b\u623b\u3059\u3053\u3068\u3082\u53ef\u80fd<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_22.png\" alt=\"\" class=\"wp-image-1304\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_22.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_22-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_22-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">IP address spoofing\u3078\u306e\u5bfe\u7b56<\/h4>\n\n\n\n<p><strong>DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>DHCP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001IP\u30a2\u30c9\u30ec\u30b9\u30d7\u30fc\u30eb\u3092\u67af\u6e07\u3055\u305b\u308b\u4e0d\u6b63\u306aDHCP\u30d1\u30b1\u30c3\u30c8\u3092\u653e\u68c4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u3088\u308b\u9001\u4fe1\u5143IP\u306e\u5236\u9650<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>LAN\u5074\uff1d\u6b63\u3057\u3044\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306e\u30d1\u30b1\u30c3\u30c8\u306e\u307f\u8a31\u53ef<\/li>\n\n\n\n<li>WAN\u5074\uff1dLAN\u5074\u306b\u5b58\u5728\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u304c\u9001\u4fe1\u5143\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4<\/li>\n<\/ul>\n\n\n\n<p><strong>Loose\uff08Strict\uff09 Source Route\u304c\u6307\u5b9a\u3055\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3059\u308b<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u30a2\u30e9\u30a4\u30c9\u30c6\u30ec\u30b7\u30b9\u88fd\u54c1\u306e\u30eb\u30fc\u30bf\u30fc\u3001L3\u88fd\u54c1\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7834\u68c4\u3059\u308b\u52d5\u4f5c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u306f\u3001\u672b\u7aef\u306e\u30b9\u30a4\u30c3\u30c1\u3067\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u52b9\u679c\u7684<\/li>\n\n\n\n<li>\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u5168\u3066\u306e\u30eb\u30fc\u30bf\u30fc\u3001L3\u30b9\u30a4\u30c3\u30c1\u3067\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u52b9\u679c\u7684<br>\u2013 \u69cb\u6210\u306b\u3088\u3063\u3066\u306f\u3001\u57fa\u5e79\u30eb\u30fc\u30bf\u30fc\uff08L3\u30b9\u30a4\u30c3\u30c1\uff09\u306e\u307f\u3067\u5341\u5206\u306a\u5834\u5408\u3082\u591a\u3044<br>   \u9069\u7528\u7b87\u6240\u304c\u591a\u3044\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u62e1\u5f35\u3084\u69cb\u6210\u5909\u66f4\u306e\u969b\u306b\u66f4\u65b0\u3059\u308b\u306e\u304c\u5927\u5909<br>   \u8a2d\u5b9a\u3092\u5fd8\u308c\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u62e1\u5f35\u3059\u308b\u3068\u969c\u5bb3\u3068\u9593\u9055\u3048\u308b\u5834\u5408\u3082\u30fb\u30fb<br>   \u8a2d\u5b9a\u306e\u9069\u7528\u52b9\u679c\u3068\u904b\u7528\u8ca0\u8377\u3092\u8003\u616e\u3057\u3066\u9069\u7528\u7b87\u6240\u3092\u5224\u65ad\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p><br><\/p>\n<\/div><\/details>\n\n\n\n<details class=\"swell-block-accordion__item\" data-swl-acc=\"wrapper\"><summary class=\"swell-block-accordion__title\" data-swl-acc=\"header\"><span class=\"swell-block-accordion__label\">ARP poisoning attacks<\/span><span class=\"swell-block-accordion__icon c-switchIconBtn\" data-swl-acc=\"icon\" aria-hidden=\"true\" data-opened=\"false\"><i class=\"__icon--closed icon-caret-down\"><\/i><i class=\"__icon--opened icon-caret-up\"><\/i><\/span><\/summary><div class=\"swell-block-accordion__body\" data-swl-acc=\"body\">\n<h4 class=\"wp-block-heading\">ARP poisoning attacks\u3068\u306f\uff1f<\/h4>\n\n\n\n<div class=\"swell-block-columns\"><div class=\"swell-block-columns__inner\">\n<div class=\"swell-block-column swl-has-mb--s\">\n<p>\u901a\u4fe1\u3057\u3066\u3044\u308b\u7aef\u672b\u306eARP\u60c5\u5831\u3092\u66f4\u65b0\u3055\u305b\u308b\u3053\u3068\u3067\u901a\u4fe1\u306e\u9593\u306b\u5272\u308a\u8fbc\u307f\u3001\u76d7\u8074\u306a\u3069\u3092\u884c\u3046\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ARP\u5fdc\u7b54\u306b\u3088\u308bARP\u30c6\u30fc\u30d6\u30eb\u306e\u66f4\u65b0\u306f\u4e00\u822c\u7684\u306a\u5b9f\u88c5\u3067\u30d0\u30b0\u3067\u306f\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u76d7\u8074\u3060\u3051\u3067\u306a\u304f\u4e2d\u7d99\u3059\u308b\u969b\u306b\u30c7\u30fc\u30bf\u306e\u6539\u3056\u3093\u3092\u884c\u3046\u3053\u3068\u3082\u53ef\u80fd\u3002<\/li>\n\n\n\n<li>\u9375\u4ea4\u63db\u306a\u3069\u306b\u5272\u308a\u8fbc\u307e\u308c\u308b\u3068\u6697\u53f7\u901a\u4fe1\u304c\u76d7\u8074\u3055\u308c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u3002<\/li>\n\n\n\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u306e\u901a\u4fe1\u306b\u5f71\u97ff\u304c\u306a\u3044\u305f\u3081\u3001\u691c\u51fa\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3002<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"swell-block-column swl-has-mb--s\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"920\" height=\"456\" src=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_23.png\" alt=\"\" class=\"wp-image-1318\" srcset=\"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_23.png 920w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_23-300x149.png 300w, https:\/\/www.allied-telesis.co.jp\/netrend\/wp-content\/uploads\/2025\/05\/sw-sec_23-768x381.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">ARP poisoning attacks\u3078\u306e\u5bfe\u7b56\u2460<\/h4>\n\n\n\n<p><strong>ARP\u30c6\u30fc\u30d6\u30eb\u3092Static\u306b\u767b\u9332\u3059\u308b<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u507d\u9020ARP\u5fdc\u7b54\u306b\u3088\u308bARP\u30c6\u30fc\u30d6\u30eb\u306e\u66f4\u65b0\u3092Static\u767b\u9332\u306b\u3088\u308a\u9632\u3050<\/li>\n<\/ul>\n\n\n\n<p><strong>DHCP\u30b9\u30cc\u30fc\u30d4\u30f3\u30b0\u6a5f\u80fd\u3092\u9069\u7528<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>ARP\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u6b63\u306aARP\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>Static\u767b\u9332 \uff1d\u5168\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306a\u3069<\/li>\n\n\n\n<li>DHCP Snooping \uff1d \u672b\u7aef\u306e\u30b9\u30a4\u30c3\u30c1<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">ARP poisoning attacks\u3078\u306e\u5bfe\u7b56\u2461<\/h4>\n\n\n\n<p><strong>IEEE 802.1X\u8a8d\u8a3c\uff0b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u7ba1\u7406<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>IEEE 802.1X\uff08TLS\u8a8d\u8a3c\uff09\u306b\u3088\u308a\u4e0d\u6b63\u7aef\u672b\u306e\u6301\u3061\u8fbc\u307f\u3092\u9632\u6b62<br>\u2013 \u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\uff08MD-5\u3001PEAP\u3001TTLS\uff09\u3067\u306e\u6301\u3061\u8fbc\u307fPC\u5236\u9650\u306f\u56f0\u96e3<br>  \u30b5\u30d7\u30ea\u30ab\u30f3\u30c8\u30bd\u30d5\u30c8\u306b\u3088\u3063\u3066\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u4e8b\u524d\u5b9a\u7fa9\u304c\u53ef\u80fd\u306a\u306e\u3067\u6709\u52b9\u306a\u5834\u5408\u3082<\/li>\n\n\n\n<li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u7ba1\u7406\u306b\u3088\u308a\u653b\u6483\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u9632\u6b62<br>\u2013 \u653b\u6483\u7528\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3057\u306b\u653b\u6483\u3092\u884c\u3046\u3053\u3068\u306f\u56f0\u96e3<br>\u2013 \u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u306e\u9069\u7528\u3084Admin\u6a29\u9650\u306e\u524a\u9664\u306a\u3069<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9069\u7528\u7b87\u6240<\/strong><\/p>\n\n\n\n<ul style=\"background-color:#f5f5f5\" class=\"wp-block-list has-background\">\n<li>\u5168\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u306e\u63a5\u7d9a\u30dd\u30fc\u30c8\u3067IEEE 802.1X\u8a8d\u8a3c\u3092\u5b9f\u65bd<\/li>\n\n\n\n<li>\u5168\u3066\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p><br><\/p>\n<\/div><\/details>\n<\/div>\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>\u306a\u305c\u30b9\u30a4\u30c3\u30c1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5fc5\u8981\u306a\u306e\u304b \u8fd1\u5e74\u5897\u52a0\u3057\u7d9a\u3051\u3066\u3044\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u5bfe\u3057\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u60c5\u5831\u6f0f\u3048\u3044\u304b\u3089\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b88\u308b\u305f\u3081\u306b\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e00\u822c\u7684\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3088\u308a\u5f37\u56fa [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"swell_btn_cv_data":"","footnotes":""},"knowledge_category":[170,162],"class_list":["post-4938","knowledge-tooltips","type-knowledge-tooltips","status-publish","hentry","knowledge_category-sw-sec_2","knowledge_category-sw-sec"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/knowledge-tooltips\/4938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/knowledge-tooltips"}],"about":[{"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/types\/knowledge-tooltips"}],"version-history":[{"count":5,"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/knowledge-tooltips\/4938\/revisions"}],"predecessor-version":[{"id":5614,"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/knowledge-tooltips\/4938\/revisions\/5614"}],"wp:attachment":[{"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/media?parent=4938"}],"wp:term":[{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.allied-telesis.co.jp\/netrend\/wp-json\/wp\/v2\/knowledge_category?post=4938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}