| 摘要 |
Provided is a security method and apparatus for supporting IPv4 and IPv6. The security apparatus includes a packet classifier classifying an IPv4 packet and an IPv6 packet based on version information in header information of an input IP packet, a key generator generating header information corresponding to each of the classified IPv4 and IPv6 packets and generating a discrimination key corresponding to each of the classified IPv4 and IPv6 packets based on the generated header information, and a lookup engine comprising a first bank in which a security policy for IPv4 packets is established and a second bank in which a security policy for IPv6 packets is established, by which the first bank and the second bank are searched using the discrimination key corresponding to each packet.
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