How to open and close ports on command line ?
I have no firewall installed on a linux box and after running nmap have found that there are three open ports
what would be the best way to open and close ports via command line ?
One could edit the inetd.conf file but this is becoming redundant in a lot of Linux flavours.
I would like to open port 79 so that I can finger from another machine.Is there a manual way of opening / close this port or is the port opened by the finger daemon at start-up ?
An "open" port is created by the service running on that port performing the listen() call to listen for incoming requests.
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