[K12OSN] OT: Stopping P2P sharing

[Nils Breunese]

Peter Scheie wrote:

> I think you'll have to elaborate on what you want to prevent.   
> Using a web browser is 'file sharing', as is much of computer  
> communication, in that the user's computer requests a file, in this  
> case an html file, from another computer, the web server.
>
> If you're talking about bittorrent traffic, you could block ports  
> 6881-6999 on your external firewall.

Though that won't really block all BitTorrent as it's pretty easy to  
set the port you want to use in the BitTorrent client. I use 16881  
myself for instance. Probably better to block *all* ports by default  
and only open up the ones that are really needed.

Nils Breunese.


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