> I just wanna ask is it ok if i leave port 6000 in my > linux box open, I know that this port is open using > nmapfe. I mean is there any vulnerabilities on port > 6000 A vulnerability is some kind og bug in the software that listens on a port. So you can not say that the port itself has a vulnerability. Only the software that listens to it. It depeneds on what software you are using ? Regards, Jesper