[44977] in North American Network Operators' Group

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Re: Blocking Internet Gaming

daemon@ATHENA.MIT.EDU (Scott Gifford)
Sun Jan 6 21:45:47 2002

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To: "James" <james@james-web.net>
Cc: <nanog@merit.edu>
From: Scott Gifford <sgifford@suspectclass.com>
Date: 06 Jan 2002 21:44:57 -0500
In-Reply-To: "James"'s message of "Sun, 6 Jan 2002 20:13:30 -0500"
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"James" <james@james-web.net> writes:

> What kind of games specifically?
> 
> Like online Java games (Bejeweled)?  Or games like Quake, Unreal, Tribes
> etc?
> 
> The latter is much easier, just block all traffic to/from the default
> ports which use them.  A quick google would yield what they use.  I'll
> give you a quick hint and say Quake3 is 29760-5 or so and Tribes1/2 is
> 28000-28005 or so.

Doesn't that cause trouble with occasionally blocking ephemeral ports?
If you're not allowing incoming connections of any kind (including
non-PASV FTP) it shouldn't matter, but blocking ports above 1024
always makes me nervous...

----ScottG.

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