|Overview: Christmas Tree Packet|
A network packet that has every single option set for a network protocol.
What is a Christmas Tree Packet?
John Spacey, updated on July 03, 2023
A Christmas tree packet is a network packet that has every single option set for a network protocol. The term is an analogy to a Christmas tree that is all lit up with dozens of lights. They are used by attackers to determine the operating system of a host by the response. Christmas tree packets are expensive to process. As such, they are also commonly used by DDos attacks. Christmas tree packets have no legitimate purpose and can be filtered out by network security equipment such as intrusion-detection systems and advanced firewalls.
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