Preventing denial-of-service attacks employing broadcast packets
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United States of America Patent
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Nov 2, 2010
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N/A
app pub date -
Aug 4, 2005
filing date -
Jun 22, 2005
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Abstract
An apparatus having a corresponding method and computer program comprises a processor; a plurality of ports to transmit and receive packets of data, the plurality of ports comprising a processor port in communication with the processor, the packets comprising broadcast packets and multicast packets; a memory to store a table that associates the processor port with one or more Internet protocol (IP) addresses; and a forwarding engine to transfer the packets between the ports, to transfer each of the broadcast packets to the processor port only when the table associates a target IP address of the broadcast packet with the processor port, and to transfer each of the multicast packets to the processor port only when the table associates a target IP address of the multicast packet with the processor port.
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