GoKawiilVPN kill switches explained: how they stop IP leaks when connections drop
A kill switch is a VPN feature that watches the encrypted tunnel between a device and a VPN server, cutting internet access the moment that connection weakens or fails. This stops a device's real IP address or DNS requests from leaking during outages or server switches, restoring access automatically once the secure tunnel resumes. The feature comes in two forms: app-level, which blocks only chosen programs, and system-level, which halts all network traffic on the device.
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Even brief VPN dropouts can expose a user's real location or browsing activity to ISPs, advertisers, or attackers, defeating the purpose of using a VPN in the first place. Understanding the tradeoff between app-level flexibility and system-level reliability helps users choose protection suited to sensitive tasks like torrenting, journalism, or accessing restricted content without unwanted disconnection frustration.
- Kill switches block internet access if a VPN connection drops, preventing IP or DNS leaks.
- App-level switches protect select programs; system-level switches cut all device traffic.
- System-wide kill switches are stronger but can cause more frequent disconnections.
ExpressVPN Subscription — ExpressVPN offers a robust, easy-to-use kill switch (Network Lock) that automatically blocks internet traffic if the VPN connection drops, keeping your IP and DNS queries safe from exposure. It pairs strong encryption with reliable server switching, making it a solid choice for anyone wanting the privacy protections discussed in this article.” ,
See ExpressVPN Subscription on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: engadget.com — Alec Hively, 2026-09-15
Published there as: “What is a VPN kill switch and how does it work?”
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