Block user internet traffic with firewall

Hi,
first, i want to apologize for my english, it´s so bad but I hope that you understand me.
I want to block all user accounts internet traffic, except one of them(a user account called "profesor").
In outbound rules I blocked all traffic to remote port 80 with TCP protocol and in incoming rules I blocked all traffic from remote port 80 but in last rule I put as exception, in users tab of incoming rules called exceptions, "profesor" accounts.
I achieve block internet traffic but for all user, included "profesor" accounts.

Please, could anyone help me?

Thank you, very much.

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Welcome to Seven Forums, Deivid.

Read at Disable Internet Access in Windows For Specific User Accounts, Christian Blog, Christian Blogs, ChristianBlog.Com to block specific accounts from the Internet.

I am not 100% sure but I think that "gpedit.msc" is available from Windows 7 Pro upwards. If you have a version below the Pro version then you might have to omit the step requiring access to "gpedit.msc".