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Re: UDP Port 0 not blockable

On Wed, May 14, 2003 at 09:56:22AM +0200, Andres Taylor wrote:
> Hi folks!
> I have this weird problem. Every 5 minutes, someone is sending me one or
> two strange packets.
> Snort logs it like this:
> 05/14-09:47:30.457304  [**] [1:525:4] BAD TRAFFIC udp port 0 traffic
> [**] [Classification: Misc activity] [Priority: 3] {UDP} x.x.x.x:411 ->
> y.y.y.y:0
> Now the weird problem is that I can't for my life block these packets!
> I've tried blocking them like this:
> iptables -I INPUT -s y.y.y.y -j DROP

iptables -I INPUT -m state --state INVALID -j DROP

IŽm not sure, just trying

Best regards

Celso González 

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