Blocking Internet Gaming

Scott Gifford sgifford at
Mon Jan 7 02:44:57 UTC 2002

"James" <james at> 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...


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