What does a stateful firewall check a packet against first?
AThe storage table
BThe standard table
CThe state table
DThe static table
Answer & Solution
Correct answer: C. The state table
1. A stateful firewall remembers connections it has seen.
2. That memory is consulted before the rules are.
3. A stateful firewall first verifies the packet is part of a connection listed in the state table.
4. So the answer is the state table.
_Source: NIST SP 800-41 Rev. 1, 'Guidelines on Firewalls and Firewall Policy'_
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