Forwarding question

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20 Feb 2007
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OK so I live in a student house with a shared router

I want to play Red Alert 3 online but cannot connect to anyone without forwarding ports

Can I rightly inform my housem8s that nothing bad will come from forwarding a bunch of ports?

I.e. if I need to forward say TCP 80, but they need that to browse websites, will they now be unable to do so?

I don't really understand how it works. Am I preventing them from getting any information that would usually travel via those ports, therefore gimping their internets?

Thx
 
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