Earlier quoted context omitted.
We use sophos UTM. It's free for personal use and works about as good as it can work. It filters based on site category and does SSL interception. We have a VPN on the mobile devices that funnels all traffic through the home network so that it is monitored and protected no matter where they are.
Are you saying when you're out all your 4G traffic are still re-routed to home network via VPN? what about they just disable VPN app on the mobile device?
They could disable the VPN, it's not a bulletproof solution, but good enough, for now.
I agree it wouldn't work for all children in all situations, but it works for us for now.
I'm not trying to 100% block access, I'm just trying to make things a little more difficult.
Kind of like when people put a tiny padlock on their suitcase. It's not going to stop a determined person with wire/bolt cutters, but it's going to stop the curious person who might just take a look and grab something.
Sure, he could go to a friends house and use their computer. I can't stop everything, but I can at least reduce the influence, possibly prevent a pop-up or something from giving that little nudge towards temptation.
An open pile of cash on the ground is far more tempting than a safe full of cash on the ground.