Skip to main content
govconCyber — Federal Cybersecurity Law Reference
Back to results
NIST 800-171 R-3.13.9

Terminate Network Connections

Official citation: 3.13.9

Class: core · Severity: low

Statement of the obligation — verify against source

3.13.9

What it means

Terminate network connections at the end of a communications session or after a defined period of inactivity — for example closing sessions at a firewall or server after a timeout — so idle or abandoned connections aren't left open for misuse.

Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.