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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク DDoS mitigation ： ウィキペディア英語版 DDoS mitigation DDoS mitigation is a set of techniques for resisting distributed denial-of-service (DDoS) attacks on networks attached to the Internet by protecting the target and relay networks. This is done by passing network traffic addressed to the attacked network through high-capacity networks with "traffic scrubbing" filters. DDoS mitigation requires correctly identifying incoming traffic to separate human traffic from human-like bots and hijacked web browsers. The process is done by comparing signatures and examining different attributes of the traffic, including IP addresses, cookie variations, HTTP headers, and Javascript footprints.〔 Manual DDoS mitigation is no longer recommended due to DDoS attackers being able to circumvent DDoS mitigation software that is activated manually. Best practices for DDoS mitigation include having both anti-DDoS technology and anti-DDoS emergency response services.〔 DDoS mitigation is also available through cloud-based providers.〔 ==Methods of attack== DDoS attacks are executed against websites and networks of selected victims. A number of vendors are offering "DDoS resistant" hosting services, mostly based on techniques similar to content distribution networks. Distribution avoids single point of congestion and prevents the DDoS attack from concentrating on a single target. One technique of DDoS attacks is to use misconfigured third-party networks that allow amplification〔(【引用サイトリンク】title=Amplification DDoS )〕 of spoofed UDP packets. Proper configuration of network equipment, enabling ingress filtering and egress filtering, as documented in BCP 38〔(【引用サイトリンク】title=Network Ingress Filtering: IP Source Address Spoofing )〕 and RFC 6959,〔(【引用サイトリンク】title=Source Address Validation Improvement (SAVI) Threat Scope )〕 prevents amplification and spoofing, thus reducing the number of relay networks available to attackers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DDoS mitigation」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.