From owner-freebsd-isp  Mon Jun 26 11:58:43 2000
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Date: Mon, 26 Jun 2000 12:58:27 -0600 (MDT)
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From: Nate Williams <nate@yogotech.com>
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To: Chris Cook <ccook@tcworks.net>
Cc: Max Clark <max.clark@emind.com>, freebsd-isp@FreeBSD.ORG
Subject: Re: blocking napster
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> > Can anyone tell me what ports napster is using so I can block access on my
> > router. 6Kbps on a full T1 is crazy.
> > 
> 
> The only way to effectively do this is to block all ports and enable
> only the ones you need.  Napster will jump to another port if the
> default is blocked.

According to some FAQ I read on the WWW, the most effective way to block
Napster is to block access to the Napster servers.

/sbin/ipfw add deny tcp from any to 208.178.163.56/29  via ${netif}
/sbin/ipfw add deny tcp from any to 208.178.175.128/29 via ${netif}
/sbin/ipfw add deny tcp from any to 208.49.239.240/28  via ${netif}
/sbin/ipfw add deny tcp from any to 208.49.228.0/24    via ${netif}
/sbin/ipfw add deny tcp from any to 208.184.216.0/24   via ${netif}


Nate


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