Method and apparatus for ingress filtering using security group information
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United States of America Patent
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Oct 30, 2012
Grant Date -
Nov 3, 2011
app pub date -
Nov 1, 2010
filing date -
Dec 1, 2004
priority date (Note) -
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Abstract
A method and apparatus for ingress filtering using security group information are disclosed. The method includes performing access control processing on a packet and sending access control information to an ingress node of the packet in response to the access control processing. The access control information includes security group information and an address of a network node. The security group information identifies a security group. The network node is a member of the security group and is a destination of the packet.
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