Tim, If you've got the router or firewall set to drop these packets, that should do it. There isn't anything you need to do on the clients. I would try a test on a client to make sure the router/firewall is configured properly.
Kahli Tim Howe wrote: >I currently prevent traffic on ports 137-139 from leaving our network. >Is there anything else that must be blocked to prevent this traffic from >leaking out? > >TimH > >