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One countermeasure to DoS attacks is to filter incoming ICMP packets at the Firewall.
True
False
Answer is True. Filtering out Internet Control Message Protocol (ICMP) packets can prevent ICMP (ping) flood attacks, as well as the ping of death*.
*The ping of death attack does not rely on ICMP weakness. Instead, it occurs when processing Internet Protocol (IP) fragments in the destination end fails to properly validate the total size of the fragments received.
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