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Disable ICMP Redirects in Windows(2000,XP,2003)
Posted on Dec 10, 2007 under Networking, Security, Windows | 1 CommentTags:denial-of-service dos icmp-redirect Security Windows
ICMP redirect is a type 5 ICMP error message sent by a gateway router to a sending host informing of an optimal alternate route to the destination host and to update its routing table with the new host route to the target destination host.
ICMP Redirects being an inefficient way to update a hosts routing table of an optimal route to a target destination can cause security issues. A malicious hacker with little knowledge about the network can launch a Denail of Service (DoS) attack on a host on the network.
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