A filter a kid can flip off is basically decoration.
Kids beat blocks in a handful of predictable ways, and each one has a hard counter. Here is the lockdown checklist I would run right after installing whatever main tool you landed on.
- Kill the DNS over HTTPS escape
Modern browsers can quietly route their domain lookups through their own encrypted DNS, sailing straight past a router or network filter. In the managed browser settings, disable secure DNS, or pin it to your filter only, so those lookups cannot detour around you.
- Block VPN and proxy apps
A VPN wraps all traffic and tunnels it out, which nukes most home filtering instantly. Restrict app installs so no fresh VPN can appear, and if your router supports it, block known VPN and proxy endpoints.
- Lock the device settings themselves
On iOS, use restrictions so the kid cannot change network settings, wipe a management profile, or turn controls off. On Android, choose a tool with uninstall protection so the enforcer cannot be dragged to the trash.
- Force a single approved browser
If your filter only understands one browser, block installation of the others, otherwise, the kid grabs a fresh browser, and your rules never even see the traffic.
- Split your passcodes
The classic faceplant is reusing the same PIN for unlock and for the controls. Make them different, because the second a kid shoulder surfs the unlock code, a shared PIN hands over everything.
- Mind the SIM card
None of the above touches mobile data. If the device has a SIM, pair your on-device filtering with something at the carrier layer so leaving the wifi is not instant freedom.
The pattern is dead simple. Every bypass is a specific door, and each door has a specific lock. Do not just install and pray. Walk this list once, then try to break your own setup, and only then call it done.