| Publisher | Association for Computing Machinery | ||
|---|---|---|---|
| Format | 381.1KB PDF | Date added | 05 May 2001 |
| Topics | Network Security, Security Management, Denial of Service | ||
| Downloads | 13 | ||
Recently many prominent web sites face so called Distributed Denial of Service Attacks (DDoS). While former security threats could be faced by a tight security policy and active measures like using firewalls, vendor patches etc. these DDoS are new in such way that there is no completely satisfying protection yet. This paper categorizes different forms of attacks and gives an overview over the most common DDoS tools. Furthermore they present a solution based on Class Based Routing mechanisms in the Linux kernel that will prevent the most severe impacts of DDoS on clusters of web servers with a prepended load balancing server. The goal is to keep the web servers under attack responding to the normal client requests.
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