Stateful Firewall
Definition
A firewall that tracks the state of TCP connections in a connection table and permits return traffic of an established flow without re-evaluating ACLs. Standard since the 1990s; the baseline for any production perimeter.
Related terms
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Explained in
- Network Security: Firewalls, IDS/IPS, VPN, PKI and SIEMA firewall that tracks the state of TCP connections in a connection table and permits return traffic of an established flow without re-evaluating ACLs. Standar...