Time to give yourself more time to learn or look at other solutions. Untangle and such pops up once in a while but doesn't the ipad already have parental controls? Why burden yourself further?
Bob
Hello!
First sorry about my poor english.
I had to manage my home network internet access (Smart tv's, Windows computers, ipads and iphone, android phones). I have installed an ipcop computer based firewall.
But my linux experience is very poore. I undestand that i was be abble to allow scheduled access or block. Verry specific sittuation is to scedule access to ipad ad windows application "Minecraft". THX

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic