Operation of the signature based intrusion detection system, Computer Network Security

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Question :

(a) State whether the following statement is FALSE or TRUE: It is always better to have various access points to the Internet so that if a hacker takes one down your company still has access.

(b) Mention limitations of a firewall.

(c) How does a packet filtering firewall operate?

(d) How can NAT be used to protect your network?

(e) What is the role of an intrusion detection system? Explain the operation of the signature based intrusion detection system.


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