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> -----Original Message-----
> From: Jan Stifter [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 17, 2000 10:40 AM
> To: [EMAIL PROTECTED]
> Subject: [Masq] udp, for what?
>
> for what is udp needed except DNS and traceroute?
>
> is it ok for a normal linux box to allow udp 53 and udp 33434:33463
> (traceroute) and deny everything else?
>
> a lot of trojans are using udp, so blocking it would be in general a
> good thing.
UDP is a connectionless protocol, so it's a bit hard to do anything really
dangerous with it. UDP is used a lot for things like RealAudio and other
streaming media, not to mention video conferencing applications. If you're
not concerned about those types of apps, they it's probably ok to block it.
Greg
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