It depends on how you installed the napster client. The default ports for
downloading files is 6699 or 6688 sometimes 6677. To connect to the napster
server it is 8888, 7777, or even 6666. Now with that said, if you check the
box that says: I live behind a firewall, the ports are going to vary.
Good luck trying to block the ports, especially if you have savvy users with
the Firewall option checked. Napster clients will check for an open port so
if you block 6688, it will just reconfigure itself to use the next available
port. Your best bet is to either send the DNS requests to some black hole
or use a box that checks the application layer and sends resets to the
client. That will stop 75% of stuff but you won't block it all.
Besides, if you block napster, you will have block the 100s of other little
programs that do the same thing: gnutella is just one example.
Good luck!
Beth
-----Original Message-----
From: Mark Jones [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 13, 2001 8:30 PM
To: [EMAIL PROTECTED]
Subject: Re: napster
Does Anyone know the ports that Napster runs over (Are the source and dst
the same)??
Also does it use TCP or UDP ?
Thanks
Mark
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