| Publisher | University of Michigan | ||
|---|---|---|---|
| Format | 220.9KB PDF | Date added | 20 Mar 2007 |
| Topics | Switching, Firewalls, Security Tools | ||
| Downloads | 23 | ||
This paper presents the novel idea of route normalization by correcting on the fly routing traffic on behalf of a local router to protect the local network from malicious and misconfigured routing updates. Analogous to traffic normalization for network intrusion detection systems, the proposed RouteNormalizer patches ambiguities and eliminates semantically incorrect routing updates to protect against routing protocol attacks. Furthermore, it serves the purpose of a router firewall by identifying resource-based attacks against routers. Upon detecting anomalous routing changes, it suggests local routing policy modifications to improve route selection decisions. Deploying a RouteNormalizer requires no modification to routers if desired using a transparent TCP proxy setup.
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