PCTech Forums

How to restrict people from network? Recently, we added a family friend to our private network connection, and he is now starting to abuse his privileges and is messing up our network. I want to know if there is a way to restrict somebody through the computer somehow or through the router.
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We are going to need some more information on what access exactly, you want to block.
Like restricting access to other computer's shared folders or just certain ports.
Or how this friend is messing up our network.