Tech article
Android NAT-T keepalive offload bypasses VPN lockdown
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Hacker News | Sep 11, 2026 | mhitza
Automated excerpt
Background: Android VPN Lockdown and NAT-T Keepalive Offload3. 1 Android VPN LockdownAndroid’s VPN model can route covered application traffic into a VPN app’s TUN interface. VPN Leak Guard NAT-T Keepalive Protector. ConnectivityManager. java, Android 6-era NAT-T Keepalive Source.
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