Grumpy Old Geeks Products Guardian Firewall Product Guardian Firewall 3 mentions in 1 episode An iOS app described as blocking location data sent through apps’ internet connections. Mentions 402: We Know When You’ve Been Sleeping Dec 21, 2019 36:19 It's called Guardian Firewall. 36:57 It automatically blocks location tracking within all these apps 37:13 I believe this is only through your internet connection.