description-logoDescription

This indicates detection of a UDP packet with source/destination port of zero.
A remote attacker may send UDP packets with source/destination port of zero to a target system to verify the existence of the system as a prelude to an attack.

affected-products-logoAffected Products

Any unprotected system that is connected to the Internet is vulnerable to the attack.

Impact logoImpact

Information gathering may assist future attacks.

recomended-action-logoRecommended Actions

The signature can be set to "DROP" if this type of traffic is against the network policy.

Coverage

IPS (Regular DB)
IPS (Extended DB)