NIST 800-171 R-3.13.7
Prevent Split Tunneling
Official citation: 3.13.7
Class: core · Severity: medium
Statement of the obligation — verify against source
3.13.7
What it means
Prevent split tunneling — stop a remote device from holding a connection into your systems while simultaneously connecting to external networks by another path. Blocking split tunneling keeps a remote session from becoming a bridge that bypasses your protections.
Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.