> > I would like to find a way to do this with the > > CyberGuard devices. I do not have the option of installing a UDP helper > > so I have to do this with iptables or iproute. >> Trying to understand your problem :- Why is the option of installing a UDP helper is out ? Is it because the can't compile C programs and install any program on these cyberguard devices? And you can only write scripts ? Cheers.