Originally posted here by dmorgan
Hey all, My firewall (Zone Alarm) Blocked a connection attempt on port 137(NetBIOS if I remeber correctly) . Normally, I wouldn't have batted an eye, but the odd thing is that the computers on my local network were all off and it came from an external IP (The Internet). Is this a worm, or what ? I am not serving anything off any of my home computers so I don't know why an external IP would be trying to connect on my NetBIOS port.
Are you sure it isn't just an attempted pop up spam? I read somewhere that sometimes they connect on alternate ports etc.