Firewall with index to access rule
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United States of America Patent
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N/A
Issued Date -
May 27, 2004
app pub date -
Dec 29, 2003
filing date -
Jan 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A packet control means for checking packets according to a plurality of rules, in which each packet is associated with a control value; the packet control means comprising index means for generating an index value from the control value associated with a packet and means for using the index value to access a rule for checking the packet from the plurality of rules. The control value is set by the packet control means. Advantageously, the packet checking always requires a single access to the plurality of rules, allowing for faster operation.
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