{"id":1733,"date":"2020-09-25T19:52:30","date_gmt":"2020-09-25T10:52:30","guid":{"rendered":"http:\/\/advanceadvance.net\/?p=1733"},"modified":"2020-09-25T19:52:32","modified_gmt":"2020-09-25T10:52:32","slug":"%e6%83%85%e5%a0%b1%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%ef%bc%88%e3%81%9d%e3%81%ae%ef%bc%95%ef%bc%89%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab","status":"publish","type":"post","link":"https:\/\/advanceadvance.net\/?p=1733","title":{"rendered":"\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff08\u305d\u306e\uff15\uff09\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb"},"content":{"rendered":"\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08Firewall\uff09\u3068\u3044\u3046\u3068\u9632\u706b\u58c1\u306e\u3053\u3068\u3060\u304c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4e16\u754c\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5883\u754c\u3067\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u3053\u3068\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7b49\u306e\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u3001\u793e\u5185LAN\u306a\u3069\u306e\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001<strong>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u578b<\/strong>\u3068<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u578b<\/strong>\u306e\u4e8c\u3064\u306b\u5927\u5225\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u3044\u305a\u308c\u306e\u578b\u3082\u3001\u3069\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u307e\u305f\u306f\u7981\u6b62\u3059\u308b\u304b\u306e\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u306e\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"770\" height=\"400\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/firewall01.jpg\" alt=\"\" class=\"wp-image-1738\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/firewall01.jpg 770w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/firewall01-300x156.jpg 300w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/firewall01-768x399.jpg 768w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30fb\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/h4>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u8a9e\u308b\u524d\u306b\u3001\u307e\u305a\u306f\u300c<strong>\u30d1\u30b1\u30c3\u30c8<\/strong>\u300d\u3068\u306f\u4f55\u305e\u3084\u3060\u3002<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u3068\u306f\u3001\u30c7\u30fc\u30bf\u3092\u3042\u308b\u7a0b\u5ea6\u306e\u30b5\u30a4\u30ba\u306b\u5206\u5272\u3057\u305f\u3082\u306e\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u5358\u4f4d\u3067\u5c0f\u5206\u3051\u306b\u3057\u3066\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u901a\u4fe1\u9014\u4e2d\u3067\u30a8\u30e9\u30fc\u304c\u8d77\u3053\u3063\u3066\u3082\u3001\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u3068\u3053\u306e\u30d1\u30b1\u30c3\u30c8\u304b\u3089\u901a\u4fe1\u3092\u518d\u958b\u3067\u304d\u308b\u5229\u70b9\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u306f\u3001<strong>\u30d8\u30c3\u30c0\u30fc<\/strong>\u3068<strong>\u30c7\u30fc\u30bf<\/strong>\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u30d8\u30c3\u30c0\u30fc\u306b\u306f\u9001\u4fe1\u5143\u30fb\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9\u7b49\u306e\u60c5\u5831\u304c\u4fdd\u5b58\u3055\u308c\u3001\u3053\u308c\u3089\u3092\u7528\u3044\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u5b9b\u5148\u306b\u9001\u4fe1\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\uff08IP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u7d44\u5408\u305b\uff09\u304b\u3089\u30d1\u30b1\u30c3\u30c8\u306e\u901a\u904e\u53ef\u5426\u3092\u5224\u65ad\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u7c21\u5358\u306b\u3001<\/p>\n\n\n\n<p>IP\u30a2\u30c9\u30ec\u30b9\u30fb\u30fb\u30db\u30b9\u30c8\u3092\u8b58\u5225<\/p>\n\n\n\n<p>\u30dd\u30fc\u30c8\u756a\u53f7\u30fb\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225<\/p>\n\n\n\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u30fb\u30fb\u30ce\u30fc\u30c9\uff08\u6a5f\u5668\uff09\u3092\u8b58\u5225<\/p>\n\n\n\n<p>\u3068\u8a8d\u8b58\u3059\u308b\u3068\u3088\u3044\u3002<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u578b\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001<strong>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb<\/strong>\u3068\u3044\u3046\u8868\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u3069\u306e\u901a\u4fe1\u3092\u901a\u904e\u3055\u305b\u308b\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table alignwide\"><table><tbody><tr><td>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/td><td>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/td><td>\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7<\/td><td>\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u52d5\u4f5c<\/td><\/tr><tr><td>Any<\/td><td>W<\/td><td>Any<\/td><td>80<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u901a\u904e<\/td><\/tr><tr><td>W<\/td><td>Any<\/td><td>80<\/td><td>Any<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u901a\u904e<\/td><\/tr><tr><td>A~C<\/td><td>Any<\/td><td>Any<\/td><td>80<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u901a\u904e<\/td><\/tr><tr><td>Any<\/td><td>A~C<\/td><td>80<\/td><td>Any<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u901a\u904e<\/td><\/tr><tr><td>Any<\/td><td>Any<\/td><td>Any<\/td><td>Any<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7981\u6b62<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u306b\u8a18\u9332\u3055\u308c\u305f<strong>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3001<strong>\u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u3001<strong>\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7<\/strong>\u3001<strong>\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/strong>\u3068\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u5404\u884c\u3092\u4e0a\u304b\u3089\u9806\u306b\u6bd4\u8f03\u3057\u3001\u6700\u521d\u306b\u4e00\u81f4\u3057\u305f\u884c\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u52d5\u4f5c\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<p>\u4e0a\u56f3\u3067\u3044\u3046\u3068\u3001\u4e0a\uff14\u884c\u306b\u8a72\u5f53\u3057\u306a\u3044\u306e\u306f\u3001\u7981\u6b62\u3068\u3044\u3046\u52d5\u4f5c\u306b\u306a\u308b\u308f\u3051\u3060\u3002\uff08\u901a\u904e\u3055\u305b\u306a\u3044\u3068\u3044\u3046\u3053\u3068\uff09<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u60c5\u5831\u306e\u307f\u3092\u691c\u67fb\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u5185\u5bb9\u305d\u306e\u3082\u306e\u306f\u691c\u67fb\u3057\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u305f\u3081\u3001IP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u507d\u9020\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3084\u3001\u60aa\u610f\u306e\u3042\u308b\u30c7\u30fc\u30bf\uff08\u30a6\u30a4\u30eb\u30b9\u8fbc\u307f\u306a\u3069\uff09\u3092\u542b\u3080\u30d1\u30b1\u30c3\u30c8\u3092\u901a\u904e\u3055\u305b\u3066\u3057\u307e\u3046\u6b20\u70b9\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u306e\u5185\u5bb9\uff08\u30c7\u30fc\u30bf\uff09\u306b\u57fa\u3065\u304f\u5236\u5fa1\u306f\u4e0d\u53ef\u80fd\u3068\u3044\u3046\u3053\u3068\u3060\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/h4>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff08ALG\uff1a Application Level Geteway\uff09\u306f\u3001<strong>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0<\/strong>\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u65b9\u5f0f\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u3068\u306f\u3001\u4ee3\u7406\uff08proxy\uff09\u306e\u30b5\u30fc\u30d0\u3067\u3042\u308a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u3092\u53d7\u3051\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u300c\u4ee3\u7406\u300d\u3068\u3057\u3066\u4ed6\u306e\u30b5\u30fc\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30b5\u30fc\u30d0\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u901a\u4fe1\u8981\u6c42\u3092\u53d7\u3051\u308b\u3068\u3001\u305d\u308c\u304c\u8a31\u53ef\u3055\u308c\u305f\u901a\u4fe1\u3067\u3042\u308c\u3070\u3001\u901a\u4fe1\u3092\u4ee3\u66ff\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"232\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_application_GW.jpg\" alt=\"\" class=\"wp-image-1746\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_application_GW.jpg 661w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_application_GW-300x105.jpg 300w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u56f3\u306e\u3088\u3046\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u60c5\u5831\u3092\u53c2\u7167\u30fb\u89e3\u6790\u3057\u3066\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u305f\u3081\u3001\u30d1\u30b1\u30c3\u30c8\u306b\u542b\u307e\u308c\u308bURL\u3092\u691c\u67fb\u3057\u3066\u7279\u5b9a\u306eURL\u3078\u306e\u63a5\u7d9a\u3092\u7981\u6b62\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u64cd\u4f5c\u3092\u7981\u6b62\u3057\u305f\u308a\u3068\u3001\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u4e0d\u53ef\u80fd\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3061\u306a\u307f\u306b\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u540c\u3058\u3088\u3046\u306a\u56f3\u3067\u8868\u73fe\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"232\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_packetfiltering.jpg\" alt=\"\" class=\"wp-image-1747\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_packetfiltering.jpg 661w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/FW_packetfiltering-300x105.jpg 300w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/figure>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u914d\u7f6e<\/h4>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30b5\u30fc\u30d0\u3092\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u3069\u3053\u306b\u914d\u7f6e\u3059\u308b\u304b\u3067\u3001\u305d\u306e\u5b89\u5168\u6027\u3092\u66f4\u306b\u9ad8\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3044\u304f\u3064\u304b\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\uff08\u9818\u57df\uff09\u306b\u5206\u3051\u3001\u30b5\u30fc\u30d0\u3092\u3069\u3053\u306b\u8a2d\u7f6e\u3059\u308b\u304b\u3092\u6c7a\u3081\u3066\u3044\u304f\u3002<\/p>\n\n\n\n<p>\u8a2d\u7f6e\u9818\u57df\u3068\u3057\u3066\u3001<strong>\u5916\u90e8\u30bb\u30b0\u30e1\u30f3\u30c8<\/strong>\u3001<strong>\u5185\u90e8\u30bb\u30b0\u30e1\u30f3\u30c8<\/strong>\u3001<strong>DMZ<\/strong>(DeMilitarized Zone\uff1a\u975e\u6b66\u88c5\u5730\u5e2f)\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30fb<strong>\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong><\/p>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u5916\u90e8\u63a5\u7d9a\u7528\u30eb\u30fc\u30bf\u306e\u9593\u306b\u3042\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3002\u30b5\u30fc\u30d0\u81ea\u4f53\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u4fdd\u8b77\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u30fb<strong>\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong><\/p>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5185\u5074\u306b\u3042\u308b\u4fdd\u8b77\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3002\u975e\u516c\u958b\u30b5\u30fc\u30d0\u7b49\u3092\u914d\u7f6e\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u30fb<strong>DMZ<\/strong><\/p>\n\n\n\n<p>\u5916\u90e8\u304b\u3089\u3082\u5185\u90e8\u304b\u3089\u3082\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u4ecb\u3057\u3066\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3002\u30b5\u30fc\u30d0\u304c\u4e57\u3063\u53d6\u3089\u308c\u3066\u3082\u5185\u90e8\u3078\u306e\u653b\u6483\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u9632\u3052\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2552\" height=\"1959\" src=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1.jpg\" alt=\"\" class=\"wp-image-1754\" srcset=\"https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1.jpg 2552w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-300x230.jpg 300w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-1024x786.jpg 1024w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-768x590.jpg 768w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-1536x1179.jpg 1536w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-2048x1572.jpg 2048w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-1200x921.jpg 1200w, https:\/\/advanceadvance.net\/wp-content\/uploads\/2020\/09\/20200925_182520-1-1-1980x1520.jpg 1980w\" sizes=\"(max-width: 2552px) 100vw, 2552px\" \/><figcaption>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u4f8b<\/figcaption><\/figure>\n\n\n\n<p class=\"has-normal-font-size\">\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30fbIDS(\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0)<\/h4>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u3092\u906e\u65ad\u3067\u304d\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067IDS(Intrusion Detection System\uff1a\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0)\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>IDS\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u76e3\u8996\u3057\u3001\u4e0d\u5be9\u306a\u30a2\u30af\u30bb\u30b9\u3092\u691c\u51fa\u3057\u305f\u5834\u5408\u306f\u7ba1\u7406\u8005\u306b\u8b66\u544a\u3092\u767a\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>IDS\u306f\u3001\u305d\u306e\u76e3\u8996\u5bfe\u8c61\u306b\u3088\u308a<strong>NIDS<\/strong>(\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578bIDS)\u3068<strong>HIDS<\/strong>(\u30db\u30b9\u30c8\u578bIDS)\u306b\u5927\u5225\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30fb<strong>NIDS<\/strong><\/p>\n\n\n\n<p>NIDS\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\uff08\u56de\u7dda\u4e0a\uff09\u3092\u6d41\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u76e3\u8996\u3057\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u306f\u7ba1\u7406\u8005\u306b\u8b66\u544a\u3059\u308b\u3002<\/p>\n\n\n\n<p>NIDS\u306f\u76e3\u8996\u5bfe\u8c61\u306b\u3088\u3063\u3066\u8a2d\u7f6e\u5834\u6240\u304c\u7570\u306a\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes\"><table><tbody><tr><td>IDS\u306e\u8a2d\u7f6e\u5834\u6240<\/td><td>\u76e3\u8996\u5bfe\u8c61<\/td><\/tr><tr><td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5916\u5074<\/td><td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u30d6\u30ed\u30c3\u30af\u3059\u308b\u653b\u6483\u3092\u542b\u3093\u3060\u3059\u3079\u3066\u306e\u653b\u6483<\/td><\/tr><tr><td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5185\u5074<\/td><td>\u5185\u90e8\u306e\u5229\u7528\u8005\u304c\u884c\u3046\u653b\u6483<\/td><\/tr><tr><td>DMZ<\/td><td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u901a\u904e\u3057\u305f\u516c\u958b\u30b5\u30fc\u30d0\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3057\u305f\u653b\u6483<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>NIDS\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u53d7\u4fe1\u30fb\u89e3\u6790\u30fb\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u9ad8\u3044\u6027\u80fd\u304c\u8981\u6c42\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u6545\u306b\u3001\u3069\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u5bfe\u8c61\u3068\u3059\u308b\u306e\u304b\u306e\u7d5e\u308a\u8fbc\u307f\u3084\u3001\u914d\u7f6e\u5834\u6240\u306e\u691c\u8a0e\u304c\u91cd\u8981\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30fb<strong>HIDS<\/strong><\/p>\n\n\n\n<p>HIDS\u306f\u76e3\u8996\u5bfe\u8c61\u306e\u30db\u30b9\u30c8\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3001\u76e3\u8996\u5bfe\u8c61\u306e\u30db\u30b9\u30c8\u4ee5\u5916\u306e\u653b\u6483\u306f\u691c\u51fa\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30fb\u7d42\u308f\u308a\u306b<\/h4>\n\n\n\n<p>\u5b89\u500d\u7dcf\u7406\u304c\u9000\u4efb\u3057\u83c5\u5185\u95a3\u304c\u8a95\u751f\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u653f\u6a29\u3067\u7279\u7b46\u3059\u3079\u304d\u306f\u300c\u884c\u653f\u306e\u30c7\u30b8\u30bf\u30eb\u5316\u300d\u3092\u76ee\u6307\u305d\u3046\u3068\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3060\u3002<\/p>\n\n\n\n<p>\u30c7\u30b8\u30bf\u30eb\u5316\u306b\u4f34\u3044\u3001\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6559\u990a\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981\u3060\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u5b6b\u5b50\u306e\u5175\u6cd5\u3067\u3001\u5df1\u3092\u77e5\u308a\u6575\u3092\u77e5\u308c\u3070\u767e\u6226\u5371\u3046\u304b\u3089\u305a\u3001\u3068\u3044\u3046\u683c\u8a00\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3064\u3044\u3066\u77e5\u308c\u3070\u3001\u30c7\u30b8\u30bf\u30eb\u5316\u306b\u5411\u3051\u3066\u3001\u5c11\u306a\u304f\u3068\u3082\u4f55\u3082\u6050\u308c\u308b\u5fc5\u8981\u306f\u7121\u3044\u306f\u305a\u3060\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08Firewall\uff09\u3068\u3044\u3046\u3068\u9632\u706b\u58c1\u306e\u3053\u3068\u3060\u304c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u4e16\u754c\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5883\u754c\u3067\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u3053\u3068\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7b49\u306e\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u3001\u793e\u5185LAN\u306a\u3069\u306e\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4fdd\u8b77\u3059\u308b\u4ed5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[14],"tags":[332,331,328,330,327,325,329],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/1733"}],"collection":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1733"}],"version-history":[{"count":15,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/1733\/revisions"}],"predecessor-version":[{"id":1758,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=\/wp\/v2\/posts\/1733\/revisions\/1758"}],"wp:attachment":[{"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/advanceadvance.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}