On Saturday 24 Mar 2012 16:16:08 Charles Kroeger wrote: > > You won't get a 'stealth' rating at grc. Shorewall seems to leave port 0 > visible but closed. I don't know why this is but would be interested to > know if someone on this list knew the reason. > > What is the deal with port 0? I have just tried grc, and my Shorewall firewall gets a 'stealth' rating. Steven.