Stateful Firewall: What It Remembers, and What Breaks It
A stateful firewall explained for IT pros: what lives in the state table, how stateful packet inspection differs from an NGFW, when stateless ACLs still win, what breaks state tracking (asymmetric routing, HA failover, full tables, SIP ALG), how AWS security groups track connections, and the commands to read the table.
Aliaska Varieva · Sep 30, 2026474
