Apparatus and method for filtering packet in a network system using mobile IP
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United States of America Patent
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May 21, 2013
Grant Date -
Feb 21, 2008
app pub date -
Aug 21, 2007
filing date -
Aug 21, 2006
priority date (Note) -
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Abstract
A network system using Mobile Internet Protocol (IP). The network system includes a correspondent node for transmitting a packet in which information passing a packet filter rule is included, and a packet filtering apparatus for determining whether an address included in information of the packet received from the correspondent node is identical to a destination address stored in the packet filter rule, and determining whether to pass the packet according to the determination result.
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