Network protocol processing for filtering packets

Information security – Access control or authentication – Network

Reexamination Certificate

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C726S001000, C726S002000, C726S006000, C726S011000, C726S012000, C726S013000, C726S014000, C726S030000, C713S151000, C713S152000, C713S153000, C713S154000, C713S160000, C709S230000, C709S232000, C709S238000, C370S389000, C370S392000, C370S395310, C370S395320, C370S395540

Reexamination Certificate

active

07913294

ABSTRACT:
Method and apparatus for network protocol filtering of a packet is described. An index to a table is obtained and stored to travel with the packet. The index is obtainable to access the table to obtain packet information. In particular, a method for inbound network address translation packet filtering and a method for outbound packet filtering are described.

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