Table of contents
- What is a VPN Kill Switch?
- How to Enable the Kill Switch on Desktop
- How to Enable the Kill Switch on Mobile
- Android Setup
- iOS Setup
- Standard vs. Permanent Kill Switch
- FAQ
- Does the kill switch drain my battery on mobile?
- Why can't I access the internet after disconnecting my VPN?
- Is the kill switch available on the free plan?
To use the proton vpn kill switch, open your proton vpn app, navigate to the settings or preferences menu, and toggle the "Kill Switch" option to the "On" position. This essential feature instantly blocks all internet traffic if your VPN connection drops unexpectedly, ensuring your real IP address and sensitive data are never exposed to your ISP or malicious actors.
What is a VPN Kill Switch?
According to general cybersecurity principles highlighted on Wikipedia, a VPN kill switch is a security mechanism that prevents your device from reverting to its default, unencrypted internet connection when the VPN server disconnects. For maximum vpn security, this feature acts as a fail-safe. If the encrypted tunnel fails, your internet access is completely severed until the connection is re-established.
How to Enable the Kill Switch on Desktop
Enabling this feature on Windows and macOS is straightforward. Follow these steps to secure your desktop connection:
- Open the desktop application and log in to your account.
- Click on the Settings icon (usually a gear) in the top left or bottom left corner.
- Navigate to the Connection tab.
- Find the Kill Switch section and toggle it on. You can choose between "Kill Switch" and "Permanent Kill Switch" depending on your security needs.
How to Enable the Kill Switch on Mobile
Mobile networks are notoriously unstable, making a kill switch critical for smartphones. Users on Reddit frequently emphasize the importance of mobile kill switches when switching between Wi-Fi and cellular data.
Android Setup
- Open the app and tap the Settings gear icon.
- Scroll down to the Connection section.
- Tap on Always-on VPN & Kill Switch. This will redirect you to your Android device's native VPN settings.
- Toggle on both Always-on VPN and Block connections without VPN.
iOS Setup
- Launch the iOS app and tap on Settings.
- Select Security Options.
- Toggle the Kill Switch button to the active state.
Standard vs. Permanent Kill Switch
Proton offers two levels of protection. Here is a comparison to help you choose the right one after your protonvpn download:
| Feature | Standard Kill Switch | Permanent Kill Switch |
|---|---|---|
| Trigger Condition | Activates only if the VPN drops accidentally. | Active at all times, even when you manually disconnect. |
| Internet Access | Restored when VPN reconnects or is manually turned off. | Completely blocked unless the VPN is actively connected. |
| Best For | Everyday browsing and streaming. | High-risk users, journalists, and strict privacy advocates. |
If you are testing the service, even the proton vpn free tier includes this robust security feature, ensuring premium protection without immediate cost.
FAQ
Does the kill switch drain my battery on mobile?
No, the kill switch operates at the system level for routing rules and does not consume noticeable additional battery life on either Android or iOS.
Why can't I access the internet after disconnecting my VPN?
If you have the "Permanent Kill Switch" enabled, your internet will remain blocked until you reconnect to a server. To browse without protection, you must downgrade to the standard kill switch or turn it off entirely.
Is the kill switch available on the free plan?
Yes, Proton includes this critical security feature across all plans, ensuring that every user has access to fundamental privacy safeguards.