Let's protect this device

About two minutes. This lets the family's block page explain itself when you land on a known scam site, instead of showing a scary browser error.

Using Firefox? It keeps its own list: Settings › Privacy & Security › View Certificates › Authorities › Import, using the certificate download.

Check again

What am I installing?

A small certificate that belongs to our household. It lets our block page show its message for the handful of sites we have blocked as scams. The key that makes it work stays on Tom's Mac and is never stored on a server. You can remove it any time from the same settings screen.