[CentOS] Strange TCP ports phenomena

[Scot L. Harris]

On Wed, 2005-08-17 at 16:53, Dominik Składanowski wrote:
> I forgot... I'm testing this server from home, where I'm behind NAT.

DOH!!  :)

Then check the NAT router.  Pretty sure that is where you will find the
port open.  Most likely you had it opened for the previous test you
mentioned.  Turn off the port forwarding and your scan should show what
you expect.