This article, "What Happens When a VPN Disconnects? Kill Switches and Traffic Leaks," was originally published at https://www.blogthetech.com/vpn-disconnects-kill-switch-traffic-leaks/. If you are reading it anywhere else, it was copied without permission.
When a VPN tunnel fails, traffic may either stop or return to the normal network route. This guide explains kill switches, fail-open and fail-closed behavior, split tunneling, DNS and IPv6 leaks, and how to verify protection safely.
