On Tue, Aug 11, 2009 at 11:45:15AM +0530, Joshua N Pritikin wrote: > + if re.match('@@MASQ@@', line): > + print '-A POSTROUTING -o %s -j MASQUERADE' % wan This is dumb. I'll try to fix the patch tomorrow to substitute only @@WAN@@. Or do you really want this written in sed? (I never even learned sed.)