Event ID - 15106

Event Id15106
SourceMicrosoft ISA Server Control
DescriptionISA Server detected a User Datagram Protocol (UDP) bomb attack from Internet Protocol (IP) address %1. For more information about this event, see ISA Server Help.
Event InformationAccording to Microsoft:
EXPLANATION:
A User Datagram Protocol (UDP) bomb attack was attempted against a computer protected by ISA Server. This alert occurs when there is an attempt to send an illegal UDP packet.
USER ACTION:
If logging for dropped packets has been set, you can view details of this attack in the packet filter log in the ISALogs folder, which is located under the ISA Server installation folder. You can use this log to monitor intruder activity. Steps against intruder activity include setting up a packet filter or policy rules to inhibit traffic from the source of the intrusion.
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