Verify if your VPN's kill switch actually protects your home IP when your network drops unexpectedly. Run our live browser-based stress test.
A passing test verifies that your computer or VPN client instantly kills outbound requests via the system firewall when the encrypted WireGuard or OpenVPN tunnel disconnects.
If your client leaks during a drop, switch from an "Application-level" kill switch to a "System-level / Permanent" kill switch in your VPN's Advanced Connection Settings.
Detailed breakdown of Windows WFP filtering vs macOS PF vs Linux iptables kill switch mechanics.
Read Kill Switch Guide