Yes: you would need to change /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts on every Linux device on your network. Which has the nice effect that this "track

Yes: you would need to change /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts on every Linux device on your network. Which has the nice effect that this "tracking" becomes opt-in :-). Meanwhile, my employer uses a non-Microsoftly-inconvenient authentication to get onto their WiFi, so I've never bothered to attach the smart phone they assigned me to their WiFi, since I've got access to bigger screens for network activities when I'm there.