I have a default policy of deny on the input chain. I do not open up
netbios. And yet when I run nmap to scan my computer, it shows that netbios
ports (137/udp, 138/udp, and 139/tcp) are open. It also shows that port
1031/udp is open (I have no idea what this is -- nmap says it's iad2) and
that 9/udp is also open (it says service is discard -- I'm also not sure
what this is).

When I type ipchains -L it does not show the ports as being accepted ... Can
someone suggest why this might be happening?

Thanks!

Jen

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