{"id":1974,"date":"2021-09-24T20:31:12","date_gmt":"2021-09-24T11:31:12","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=1974"},"modified":"2023-06-02T16:32:15","modified_gmt":"2023-06-02T07:32:15","slug":"server0003","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/server0003\/","title":{"rendered":"DDoS\u653b\u6483\u3068\u306f\uff1f\u76ee\u7684\u3084\u7a2e\u985e\u3001\u5b9f\u4f8b\u3001\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac\ufffc"},"content":{"rendered":"\n<p>DDoS\u653b\u6483\u3092\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u3001\u901a\u4fe1\u6599\u3092\u5897\u5927\u3055\u305b\u308b\u3053\u3068\u3067\u56de\u7dda\u3084\u30b5\u30fc\u30d0\u306e\u51e6\u7406\u80fd\u529b\u3092\u5360\u6709\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u505c\u6b62\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u884c\u3048\u308b\u3053\u3068\u3082\u3042\u3063\u3066\u3001\u591a\u304f\u306e\u4e8b\u4ef6\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<br>\u5e74\u3005\u5de7\u5999\u5316\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3067\u3059\u304c\u3001\u306a\u304b\u3067\u3082DDoS\u653b\u6483\u306f\u9632\u304e\u306b\u304f\u3044\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001DDoS\u653b\u6483\u306b\u3064\u3044\u3066\u3001\u653b\u6483\u306e\u76ee\u7684\u3084\u653b\u6483\u3055\u308c\u305f\u5834\u5408\u306b\u3069\u3046\u3044\u3063\u305f\u88ab\u5bb3\u304c\u51fa\u308b\u306e\u304b\u3001\u307e\u305f\u3001\u88ab\u5bb3\u306b\u3042\u308f\u306a\u3044\u305f\u3081\u306b\u3069\u306e\u3088\u3046\u306a\u5bfe\u7b56\u3092\u3068\u308b\u3079\u304d\u304b\u3001\u5b9f\u969b\u306b\u8d77\u304d\u305f\u4e8b\u4f8b\u3092\u4ea4\u3048\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u3068\u306f\">DDoS\u653b\u6483\u3068\u306f\uff1f<\/h2>\n\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/20210917\/iStock-485001496.jpg\" class=\"post-img\">\n\n\n\n<p>DDoS\uff08\u30c7\u30a3\u30fc\u30c9\u30b9\uff09\u653b\u6483\u3068\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff08\u901a\u4fe1\u91cf\uff09\u3092\u5897\u5927\u3055\u305b\u3001\u901a\u4fe1\u51e6\u7406\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3084\u56de\u7dda\u306e\u51e6\u7406\u80fd\u529b\u3092\u5360\u6709\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3067\u304d\u306a\u304f\u3057\u305f\u308a\u3001\u30b5\u30fc\u30d0\u3092\u30c0\u30a6\u30f3\u3055\u305b\u305f\u308a\u3059\u308b\u653b\u6483\u3092\u6307\u3057\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u306a\u3069\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u6a5f\u5668\u3092\u8e0f\u307f\u53f0\u306b\u3057\u3001\u30b5\u30fc\u30d0\u7b49\u306e\u7279\u5b9a\u306e\u6a5f\u5668\u3092\u4e00\u6589\u306b\u653b\u6483\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u8e0f\u307f\u53f0\u306b\u3055\u308c\u305f\u6a5f\u5668\u306b\u306f\u95a2\u9023\u6027\u304c\u306a\u304f\u3001\u653b\u6483\u8005\u306e\u7279\u5b9a\u304c\u56f0\u96e3\u3067\u3059\u3002<\/p>\n\n\n<div class=\"questionBox\">\n<p>\u8e0f\u307f\u53f0\uff08\u30dc\u30c3\u30c8\uff09<br>\u4ed6\u4eba\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u4e57\u3063\u53d6\u3063\u3066\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u3057\u304b\u3051\u308b\u6642\u306e\u4e2d\u7d99\u5730\u70b9\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u3002\u653b\u6483\u5143\u3092\u7279\u5b9a\u3057\u306b\u304f\u304f\u3059\u308b\u306e\u304c\u76ee\u7684\u3067\u3001\u8e0f\u307f\u53f0\u306b\u3055\u308c\u305f\u5074\u306f\u653b\u6483\u306b\u52a0\u62c5\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n<\/div>\n\n\n<blockquote class=\"wp-embedded-content\" data-secret=\"1WZt6n7xmL\"><a href=\"https:\/\/techmania.jp\/blog\/server0002\/\">\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u8105\u5a01\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u306f\uff1f\u8105\u5a01\u3068\u5bfe\u7b56\u65b9\u6cd5\u3092\u89e3\u8aac&#8221; &#8212; TechMania\" src=\"https:\/\/techmania.jp\/blog\/server0002\/embed\/#?secret=bk9F3EDISV#?secret=1WZt6n7xmL\" data-secret=\"1WZt6n7xmL\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n\n\n\n<h3 id=\"outline__1_1\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u3068dos\u653b\u6483\u306e\u9055\u3044\">DDoS\u653b\u6483\u3068DoS\u653b\u6483\u306e\u9055\u3044<\/h3>\n\n\n\n<p>DDoS\u653b\u6483\u306b\u4f3c\u305f\u8a00\u8449\u3067\u300cDoS\u653b\u6483\u300d\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<br>\u540d\u524d\u304c\u985e\u4f3c\u3057\u3066\u3044\u3066\u3084\u3084\u3053\u3057\u3044\u3067\u3059\u304c\u3001\u6b63\u5f0f\u540d\u79f0\u306b\u3059\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>DoS\u653b\u6483\uff1aDenial of Service attack\uff0f\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483<br>DDoS\u653b\u6483\uff1aDistributed Denial of Service attack\uff0f\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483<\/p>\n\n\n\n<p>DoS\u653b\u6483\u3092\u76f4\u8a33\u3059\u308b\u3068\u300c\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483\u300d\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u30661\u53f0\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304b\u3089\u904e\u5270\u306a\u30a2\u30af\u30bb\u30b9\u3084\u30c7\u30fc\u30bf\u3092\u9001\u4ed8\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u3001\u3053\u306eDoS\u653b\u6483\u306e\u982d\u306b\u300cDistributed\u300d\u304c\u4ed8\u3044\u3066\u3001DDoS\u653b\u6483\u300c\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\u653b\u6483\u300d\u3068\u306a\u308a\u3001\u5bfe\u8c61\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304b\u3089\u4e00\u6589\u306b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u884c\u3046\u3068\u3044\u3046\u610f\u5473\u5408\u3044\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001DDoS\u653b\u6483\u306f\u3001DoS\u653b\u6483\u3088\u308a\u3082\u81a8\u5927\u306a\u30c7\u30fc\u30bf\u304c\u9001\u3089\u308c\u3066\u304f\u308b\u305f\u3081\u3001\u653b\u6483\u5bfe\u8c61\u306b\u306f\u3001\u3088\u308a\u8ca0\u8377\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001DDoS\u653b\u6483\u3068DoS\u653b\u6483\u306e\u9055\u3044\u306f\u3001\u653b\u6483\u3059\u308b\u5074\u306e\u6a5f\u5668\u306e\u53f0\u6570\u3068\u3001\u300c\u8e0f\u307f\u53f0\u300d\u3092\u5229\u7528\u3059\u308b\u304b\u5426\u304b\u3068\u3044\u3046\u90e8\u5206\u306b\u3042\u308a\u3001\u7c21\u5358\u306b\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u3001DDoS\u653b\u6483\u306fDoS\u653b\u6483\u306e\u9032\u5316\u5f62\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__1_2\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u306e\u76ee\u7684\">DDoS\u653b\u6483\u306e\u76ee\u7684<\/h3>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u76ee\u7684\u3067DDoS\u653b\u6483\u3092\u3057\u304b\u3051\u308b\u306e\u304b\u3001\u4ee3\u8868\u7684\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u8105\u8feb<\/strong><br>\u4f01\u696d\u3084\u7d44\u7e54\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u3057\u3066\u8b66\u6212\u3092\u4fc3\u3059\u7a0b\u5ea6\u306eDoS\u653b\u6483\u3092\u3057\u304b\u3051\u3001\u653b\u6483\u3092\u3084\u3081\u308b\u6761\u4ef6\u3068\u3057\u3066\u91d1\u92ad\u7b49\u3092\u8981\u6c42\u3059\u308b\u884c\u70ba\u3067\u3001\u4e2d\u5c0f\u4f01\u696d\u304c\u72d9\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u79c1\u6028<\/strong><br>\u4f55\u304b\u3057\u3089\u3067\u653b\u6483\u5bfe\u8c61\u306b\u79c1\u6028\u3092\u62b1\u304d\u3001\u611f\u60c5\u7684\u306b\u653b\u6483\u3059\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002\u304b\u3064\u3066\u306fDoS\u653b\u6483\u30fbDDoS\u653b\u6483\u3067\u6700\u3082\u591a\u3044\u8981\u56e0\u3060\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><strong>\u6297\u8b70<\/strong><br>\u653f\u6cbb\u306b\u5bfe\u3057\u3066\u4e0d\u4fe1\u611f\u3084\u4e0d\u6e80\u3092\u6301\u3061\u3001\u6297\u8b70\u3068\u3044\u3046\u610f\u3092\u8fbc\u3081\u3066\u653f\u5e9c\u6a5f\u95a2\u306e\u30b5\u30fc\u30d0\u306bDDoS\u653b\u6483\u3092\u3057\u304b\u3051\u3066\u30a2\u30af\u30bb\u30b9\u59a8\u5bb3\u306a\u3069\u3092\u884c\u3044\u307e\u3059\u3002\u653f\u5e9c\u4ee5\u5916\u306b\u3082\u3001\u4f01\u696d\u3084\u7d44\u7e54\u306b\u5bfe\u3057\u3066\u3057\u304b\u3051\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5acc\u304c\u3089\u305b<\/strong><br>\u30e9\u30a4\u30d0\u30eb\u4f01\u696d\u306e\u30b5\u30a4\u30c8\u3092\u30c0\u30a6\u30f3\u3055\u305b\u308b\u3001\u30b5\u30a4\u30c8\u904b\u55b6\u8005\u3092\u56f0\u3089\u305b\u308b\u306a\u3069\u306e\u300c\u5acc\u304c\u3089\u305b\u300d\u3092\u76ee\u7684\u3068\u3057\u3001\u7279\u5b9a\u306e\u4f01\u696d\u3084\u4eba\u7269\u306b\u5411\u3051\u3066\u57f7\u62d7\u306b\u653b\u6483\u3092\u3057\u304b\u3051\u308b\u3053\u3068\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<div style=\"margin-top:4%;\">\n<p style=\"text-align:center; text-decoration:underline blue; font-weight:bold;\"><a href=\"https:\/\/techmania.jp\/lp\/2\">\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u304b\u3089\u30b5\u30a4\u30c8\u5236\u4f5c\u307e\u3067<br>\u2193\u5b9f\u8df5\u529b\u304c\u8eab\u306b\u3064\u304f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u2193<\/a><\/p>\n<\/div>\n<div style=\"text-align:center; margin-top:1%;\"><a href=\"https:\/\/techmania.jp\/lp\/2\"><img decoding=\"async\" style=\"width:300px;\" alt=\"IT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u6821 \u30c6\u30c3\u30af\u30de\u30cb\u30a2\u30b9\u30af\u30fc\u30eb\" src=\"https:\/\/techmania.jp\/blog\/wp-content\/uploads\/2023\/05\/sc4.jpg\"><\/a><\/div>\n<div style=\"margin-top:-0.3%;\">\n<p style=\"text-align:center; text-decoration:underline red; font-weight:bold;\"><a href=\"https:\/\/techmania.jp\/lp\/2\"><font color=\"red\">\u226b\u30e2\u30cb\u30bf\u30fc\u5272\u5f15\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u5b9f\u65bd\u4e2d\uff01\u226a<\/font><\/a><\/p>\n<\/div>\n\n\n<h3 id=\"outline__1_3\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u306b\u3088\u3063\u3066\u8d77\u3053\u308b\u88ab\u5bb3\">DDoS\u653b\u6483\u306b\u3088\u3063\u3066\u8d77\u3053\u308b\u88ab\u5bb3<\/h3>\n\n\n\n<p>\u672c\u683c\u7684\u306aDDoS\u653b\u6483\u3092\u53d7\u3051\u308b\u3068\u3001\u30b5\u30fc\u30d0\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306a\u3069\u306b\u5bfe\u3057\u3066\u5927\u304d\u306a\u8ca0\u8377\u304c\u304b\u304b\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u969c\u5bb3\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u653b\u6483\u5bfe\u8c61\u306b\u306a\u3063\u305f\u4f01\u696d\u3084\u7d44\u7e54\u3067\u306f\u3001\u91d1\u92ad\u9762\u3060\u3051\u3067\u306a\u304f\u4fe1\u7528\u9762\u3067\u3082\u5927\u304d\u306a\u640d\u5931\u3092\u53d7\u3051\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<br>\u5b9f\u969b\u306bDDoS\u653b\u6483\u306e\u5bfe\u8c61\u306b\u306a\u3063\u305f\u5834\u5408\u3001\u3069\u3093\u306a\u88ab\u5bb3\u304c\u3042\u308b\u306e\u304b\u3001\u4e3b\u306a\u3082\u306e\u3092\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u30b5\u30fc\u30d3\u30b9\u505c\u6b62<\/strong><br>DoS\u653b\u6483\u3092\u53d7\u3051\u308b\u3068\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u7570\u5e38\u306b\u4e0a\u304c\u308a\u3001\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u304c\u7570\u5e38\u306b\u9045\u5ef6\u3001\u3082\u3057\u304f\u306f\u505c\u6b62\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5225\u306e\u30b5\u30fc\u30d0\u3078\u306e\u653b\u6483<\/strong><br>DDoS\u653b\u6483\u306e\u8e0f\u307f\u53f0\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u30b5\u30fc\u30d0\u7ba1\u7406\u8005\u304c\u305d\u308c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u9593\u306b\u307b\u304b\u306e\u30b5\u30fc\u30d0\u304b\u3089\u60c5\u5831\u3092\u76d7\u3093\u3060\u308a\u3001\u30c7\u30fc\u30bf\u3092\u6539\u3056\u3093\u3057\u305f\u308a\u3059\u308b\u3068\u3044\u3063\u305f\u5927\u304d\u306a\u88ab\u5bb3\u304c\u51fa\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u91d1\u92ad\u7684\u88ab\u5bb3<\/strong><br>\u30b5\u30fc\u30d0\u30c0\u30a6\u30f3\u3084\u30a2\u30af\u30bb\u30b9\u8ca0\u8377\u306f\u3001\u30a2\u30af\u30bb\u30b9\u56f0\u96e3\u306a\u3069\u306e\u6bd4\u8f03\u7684\u8efd\u3044\u88ab\u5bb3\u3057\u304b\u88ab\u3089\u306a\u3044\u3088\u3046\u601d\u3048\u307e\u3059\u304c\u3001\u305d\u308c\u304cEC\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001\u91d1\u92ad\u7684\u306b\u5927\u304d\u306a\u88ab\u5bb3\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u306e\u7a2e\u985e\">DDoS\u653b\u6483\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p>\u57fa\u672c\u7684\u306b\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u969b\u3001\u300c\u3069\u3053\u300d\u3092\u653b\u6483\u3059\u308b\u304b\u3067\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>SYN\u30d5\u30e9\u30c3\u30c9\u653b\u6483\uff0fFIN\u30d5\u30e9\u30c3\u30c9\u653b\u6483<\/strong><br>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u901a\u4fe1\u3092\u78ba\u7acb\u30fb\u7d42\u4e86\u3059\u308b\u3068\u304d\u306e\u624b\u9806\u3067\u3042\u308b\u300cSYN\uff08\u63a5\u7d9a\u8981\u6c42\uff09\u300d\u3084\u300cFIN\uff08\u5207\u65ad\u8981\u6c42\uff09\u300d\u306b\u8ca0\u8377\u3092\u304b\u3051\u308b\u653b\u6483\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>ACK\u30d5\u30e9\u30c3\u30c9\u653b\u6483<\/strong><br>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u901a\u4fe1\u3092\u3059\u308b\u969b\u306e\u300c\u5fdc\u7b54\uff08ACK\uff09\u300d\u3092\u5927\u91cf\u306b\u9001\u308a\u3001\u63a5\u7d9a\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3055\u305b\u3001\u901a\u4fe1\u8ca0\u8377\u3092\u304b\u3051\u308b\u653b\u6483\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>UDP\u30d5\u30e9\u30c3\u30c9\u653b\u6483<\/strong><br>\u507d\u3063\u305fIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u5927\u91cf\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u308b\u3053\u3068\u3067\u3001\u56de\u7dda\u306e\u5e2f\u57df\u5e45\u3092\u30d1\u30f3\u30af\u3055\u305b\u308b\u3068\u3044\u3046\u653b\u6483\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>DNS\u30d5\u30e9\u30c3\u30c9\u653b\u6483<\/strong><br>DNS\u30b5\u30fc\u30d0\u306b\u5927\u91cf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308a\u3001\u8ca0\u8377\u3092\u304b\u3051\u3001DNS\u306e\u6a5f\u80fd\u3092\u4e0b\u3052\u308b\u653b\u6483\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\" id=\"ddos\u653b\u6483\u306b\u3088\u308b\u88ab\u5bb3\u4e8b\u4f8b\">DDoS\u653b\u6483\u306b\u3088\u308b\u88ab\u5bb3\u4e8b\u4f8b<\/h2>\n\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/20210917\/iStock-1329528785.jpg\" 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