Firefox has no built-in parental control features, but see the Block and unblock websites with parental controls on Firefox article and http://kb.mozillazine.org/Parental_controls for some options.

IMO, Norton shouldn't be using an add-on to implement a feature like that - it is stupid on Norton's part. Implementing something like that at the browser level is just plain wrong; a user could use a Portable App browser to bypass it. System level protection is the correct method to use, and for all user accounts.

Like closing a barn door to keep the animals inside the barn, when there are no walls at the back or sides of that barn. Looks good from the front, but ineffective.

Hi bradhayashi

see if this helps : Public Fox - addon

thank you

ideato, YES! Thank you. That's the answer I was looking for.