- With the ProtonVPN client open, click the Kill Switch button. It will open a menu with three options:
- Kill Switch Off
- Kill Switch On
- Permanent Kill Switch
We generally recommend enabling the Permanent Kill Switch. If performance becomes an issue or problems arise as a result,
See: https://protonvpn.com/support/what-is-kill-switch/
Note: some screenshots I took, since it looks slightly different than the article.

