iOS Kill Switch | KlarVpn Help Center

The Internet Kill Switch blocks internet traffic when KlarVPN is not actively connected. This can help prevent traffic from continuing outside the VPN connection.

1. Open KlarVPN and tap Profile.

Profile screen.

2. Turn on Internet Kill Switch.

Internet Kill Switch setting in Profile.

3. while VPN is disconnected and trying to enable kill switch.

If VPN is not connected

3. Read the warning message, then tap Enable Kill Switch.

Enable Kill Switch confirmation screen.

4. If you try to disconnect while Kill Switch is active, KlarVPN may ask you to open settings to disable Kill Switch.

Kill Switch active message.

Important relationship between Auto-connect and Kill Switch

Auto-connect can be used on its own.
Kill Switch depends on Auto-connect.
When you enable Kill Switch, it automatically turns on Auto-connect.
When you turn off Auto-connect, Kill Switch automatically turns off.

Important warning

While Kill Switch is on, internet access can be blocked when VPN is not actively connected.
If you lose network access unexpectedly, reconnect VPN or turn off Kill Switch from Profile.
The in-app warning also notes that iOS may route some Apple service traffic outside the VPN regardless of this setting.