not assumed users are 'Administrators'!

[bigkush]

I am using assumed users.
I have 'User must be assumed' in System Polocy. In assumed users every user is assumed by IP-address (we have network with static local IP-addresses only). But recently I found out that if somebody tries to get to Internet from a local PC with IP-address that is not stated in assumed users, this computer does get access with no problem and it becomes assumed Administrator.
How can I fix that?

Now every computer with proxy configured in the browser settings has unlimited access to Internet!

[adrien]

Hi

Check there are no assumed users that assume a user is "Administrator", these assumption use wild-cards (e.g. * and ?) so can match more than one IP.

Adrien