vpn
2 posts
Article
Keepalive packets bypass Android lockdown
A normal Android app can drive NAT-T keepalive packets onto UDP/4500 past Always-on VPN lockdown, leaking the device's real IP.
Article
Android leaks keepalive packets past its VPN kill switch
A normal Android app can push NAT-T keepalive packets to the physical network on UDP/4500 while Always-on VPN lockdown is enabled, leaking the real IP.