Smurf-Attack Defenses
¨http://www.pentic.net/denial-of-service/white-papers/smurf.cgi
¨Install adequate bandwidth and redundant paths
¨Filter ICMP messages at your border router
¨Make sure that your network cannot be used as a Smurf amplifier
–Test via http://www.powertech.no/smurf
–Insert “no ip directed-broadcast” on Cisco border routers
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