What a wee RTFM can do. :) Mark wrote: > Dear list, > > I try to do the following, as per the ipfw2 manual for FreeBSD 4.9R-p3: > > ipfw add deny ip from any to any not verrevpath in > > And I get the following error: > > ipfw: unknown argument ``not'' > > What could be the cause of that? > > Thanks, > > - Mark