Question: a) Distinguish between firewalls and IDSs. b) Why are IDS alarms often a problem? c) What is a false positive? d) What two types of

a) Distinguish between firewalls and IDSs.
b) Why are IDS alarms often a problem?
c) What is a false positive?
d) What two types of filtering do IDSs use?
e) Why is deep packet inspection important?
f) Why is deep packet inspection processing-intensive?
g) Why is packet stream analysis important?
h) Why does packet stream analysis place a heavy load on IDSs?

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