Wireless in my B & B... without P2P hassle

Hello all,
I run a B & B, and I thought it would be good to offer free
wireless internet for my clients. I got ADSL and bought a Linksys
Wireless-G Broadband Router.
My problem is, I don't want to get sued if one of them uses P2P over
my network. I guess there is some legal way to do this, setting myself
as an ISP with limited responsibility over what the clients do, but the
fact of the matter is that "easy legal defense" is still too much
potential legal hassle, so I thought I could look for a technical way
to do it.
I could encrypt it, I know how to do it, but the thing is I can
foresee the countless hours I'll have to spend trying to configure each
and everyone's laptop when they don't know how to enter the username
and password...
Is there any way I can monitor and/or block programs like Kazaa and
Bittorrent from being used through my router? Or at least have some
measure of identification over what computer is using them? Many of my
clients are foreigners, in many cases I think I could guess through
their language settings...

Thanks in advance


P.S.: If this is any help, my router is a US Robotics 9106

"GreenBarnBB" wrote in message ...
> Hello all,
> I run a B & B, and I thought it would be good to offer free
> wireless internet for my clients. I got ADSL and bought a Linksys
> Wireless-G Broadband Router.
> My problem is, I don't want to get sued if one of them uses P2P over
> my network. I guess there is some legal way to do this, setting myself
> as an ISP with limited responsibility over what the clients do, but the
> fact of the matter is that "easy legal defense" is still too much
> potential legal hassle, so I thought I could look for a technical way
> to do it.
> I could encrypt it, I know how to do it, but the thing is I can
> foresee the countless hours I'll have to spend trying to configure each
> and everyone's laptop when they don't know how to enter the username
> and password...
> Is there any way I can monitor and/or block programs like Kazaa and
> Bittorrent from being used through my router? Or at least have some
> measure of identification over what computer is using them? Many of my
> clients are foreigners, in many cases I think I could guess through
> their language settings...
>
> Thanks in advance
>
>
> P.S.: If this is any help, my router is a US Robotics 9106

Captive portal.

http://www.publicip.net/

Cheers,
Eric