Patent ID: 8006303

Claim:
A method for intrusion protection, the method comprising the steps of: a computer receiving a message packet en route to a destination; the computer determining whether to analyze the message packet to detect a malicious intrusion based at least in part on (a) a protocol of the message packet, (b) an ability of the destination to detect a malicious intrusion in the message packet, and (c) an identity of the destination; in response to the computer determining, based at least in part on (a), (b) and (c), to analyze the message packet to detect a malicious intrusion, the computer analyzing the message packet to detect a malicious intrusion, and if the analysis of the message packet indicates a malicious intrusion, the computer discarding the message packet without forwarding the message packet en route to the destination, and if the analysis of the message packet does not indicate a malicious intrusion, the computer forwarding the message packet en route to the destination; in response to the computer determining, based at least in part on (a), (b) and (c), not to analyze the message packet to detect a malicious intrusion, the computer forwarding the message packet en route to the destination without the computer analyzing the message packet to detect a malicious intrusion.