--- Jason Opperisano <opie@xxxxxxxxxxx> wrote: > On Fri, Oct 15, 2004 at 01:14:13PM -0700, kate > wrote: > > so the drop-all would be..? > > > > iptables -A INPUT -p TCP -i eth0 -s 0/0 -j DROP > > > > or did I just invent my own thing here? > > tia > > Kate > > well--the standard way would be to set the policy of > the built-in chain > to DROP; i.e., > > iptables -P INPUT DROP > > the same can be achieved by making the last rule in > the chain a drop > rule, like > > iptables -A INPUT -j DROP > > but that gets messy if you want to append rules "on > the fly" so the > policy method is preferred. Last question- I have this at the top of my script, We should be good to go with this right ? #(1) Policies (default) iptables -P INPUT DROP iptables -P OUTPUT DROP iptables -P FORWARD DROP or do we need something below part 3 iptables -A INPUT -p TCP -i eth0 -s 123.45.1.1 --destination-port 21 -j okay # userA iptables -A INPUT -p TCP -i eth0 -s 123.45.0.0/16 --destination-port 22 -j okay #users A - Z like ? iptables -A INPUT -j DROP many thanks for all your help. At least the LAN works! Kate _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com