On Monday 02 August 2004 21:07, david Wrote: > Dear all, > How to block outgoing traffic over network that using port 137 udp, because > my isp tell me that my network broadcast virus using port 137 udp, i want > to make all traffic (port 137) do go outside my network, so i plan to > blocking that traffic from my gateway. > > I already try to do this rules, but not working : > #iptables -A FORWARD -p udp -s 0/0 --dport 137 -j DROP > > > > > Regards, > David Kandou you also have to use iptables -A FORWARD -p udp --sport 137 -j DROP -- The cost of living hasn't affected its popularity.