To ensure maximum protection:
A kill switch is a security feature that monitors your internet connection. If your VPN or proxy fails, the kill switch . In the context of torrenting, this ensures that your BitTorrent client never uses your "naked" (non-encrypted) internet connection to download or seed files. Why You Need One for P2P kill switch torrent
The paper argues that the term "Kill Switch" implies a binary state—on or off—which is misleading. In networking, connections are asynchronous. To ensure maximum protection: A kill switch is
Bind your client. Enable the lock. Test for leaks. Then, and only then, hit download. Why You Need One for P2P The paper
A (often called a "network lock") is a safety feature found in most premium VPNs. It automatically cuts your device’s internet access the moment your VPN connection drops.
Disclaimer: This post is for educational purposes regarding privacy and network security. Respect copyright laws in your jurisdiction.