Router and Route Authentication

The reason for having router and route authentication and route integrity arises from the risk of an attacker who configures his or her machine or router to share incorrect routing information with another router that is part of the network being attacked. The attacked router can be tricked into not only sending data to the incorrect destination, but through clever maneuvering can be completely put out of commission as well. Routing changes can also be induced simply to redirect the traffic to a convenient place in the network for the attacker to analyze it. This can result in the attacker's being able to identify patterns of traffic and obtain information not intended for him or her.

An example of such attacks ...

Get Network Security Principles and Practices now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.