June 2016
Beginner to intermediate
376 pages
8h 58m
Japanese
Content preview from データ分析によるネットワークセキュリティ
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12.4
局所性
261
12.4.2
DDoS
とルーティングインフラ
ルーティングインフラを狙ったDDoS攻撃は、二次的な被害を引き起こす。図12-6のような単純
なネットワークを考えてみよう。太線はサブネットワークCへの攻撃の経路を表す。サブネットワー
クCを狙った攻撃は、Cへの接続だけでなくルータのインターネットへの接続も枯渇させる。この結
果、ネットワークAとB 上のホストはインターネットにアクセスできず、インターネットからの受信
トラフィックがほぼゼロまで落ち込むことになる。
図12-6 DDoSの二次的被害
この種の問題は共同設置サービスでは珍しくない。だから、DDoS防御はネットワークインフラに
設置するべきなのだ。クラウドコンピューティングとDDoSの組み合わせが今後長期的にどうなって
いくのかに、個人的に興味がある。クラウドコンピューティングによって、防御者はインターネット
のルーティングインフラ上に高度に分散してサービスを実行できるようになるだろう。すると、攻撃
者にとっては、1 つのサービスを取り除くために必要な資源が増加することになる。
262
12
章 ボリュームと時間の分析
DoS攻撃では、最も一般的な偽陽性は、フラッシュクラウドとケーブルの切断である。フラッシュ
クラウドとは、何ら ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.