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Denial of Service Attacks

 

A denial of service attack stands for a common type of attack where a malicious attacker makes a service unavailable to other users. Denial of service in multicast is much more complicated to prevent than in a pure unicast world because of the following attacks.

1. Spam the multicast group.
   Solution: We can use our approach proposed in section 8 which uses active networks and IPv6 to prevent flooding of the network. In the case where we don't have these protocols we can't prevent flooding. The best we can do is message filtering at the end host based on authentication as described in section .