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DDoS Attack 9/28
Sep 06 2010
DDoS Attack 9/28
Posted By: Edge3 On: Sep 28 2005 01:39 PM
Details
UDP Flood 1PM 9/28/05 CST
Around 2PM EDT Edge3 experienced a UDP flood, causing no/limited connectivity for our network. The issue has since been resolved and all services are working normally. We are still looking into the cause of the flood, so we can take steps to prevent this in the future.
Our techs were able to combat the attack in less than 10 minutes. If they continue we may experience intermittent outages as we reroute traffic from the attack.
What is a UPD Flood Attack?
UDP Flood Attack: UDP is a connectionless protocol and it does not require any connection setup procedure to transfer data. A UDP Flood Attack is possible when an attacker sends a UDP packet to a random port on the victim system. When the victim system receives a UDP packet, it will determine what application is waiting on the destination port. When it realizes that there is no application that is waiting on the port, it will generate an ICMP packet of destination unreachable to the forged source address. If enough UDP packets are delivered to ports on victim, the system will go down.
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