Re: Port numbers for Peer to Peer file sharing apps.

[Mikael Olsson <mikael.olsson () clavister com>]

Mark Whobrey wrote:
> I am trying to find a list of ports used by the most common p2p file
> sharing applications. 

There's a fairly comprehensive list at:
http://www.practicallynetworked.com/sharing/app_port_list.htm

But, as someone else said, there's also several that will use 
ports like 80, 21, 25, and some systems that allow changing the
port numbers manually, which I have seen heaps of clued users
doing (and, of course, the not-so-clued users doing a couple of
days/weeks later).

This all makes me want to start my "don't do app-specific shaping
on public networks" rant again, but I won't. I'll just point you
at my previous rant:

http://marc.theaimsgroup.com/?l=firewall-wizards&m=103652075227472&w=2
http://marc.theaimsgroup.com/?l=firewall-wizards&m=103659628332470&w=2


-- 
Mikael Olsson, Clavister AB
Storgatan 12, Box 393, SE-891 28 ÖRNSKÖLDSVIK, Sweden
Phone: +46 (0)660 29 92 00   Mobile: +46 (0)70 26 222 05
Fax: +46 (0)660 122 50       WWW: http://www.clavister.com
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