What Is Stateful Inspection in Network Security? Ultimate Guide
eSecurity Planet
FEBRUARY 14, 2024
Stateful inspection is a firewall feature that filters data packets based on the context of previous data packets. For example, a firewall performing stateful inspection may be tracking an active FTP transfer with the FTP server and show a network laptop in a Listen or Closed status. Stateless protocols (UDP, HTTP, etc.)
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