netstat -an | grep -i listen

on this guide i assume that you have already a running CSF”ConfigServer Security&Firewall”/LFD”Login Failure Daemon” on your server,
1) register to http://www.no-ip.com/
2) Host - Manage - Add Host

3) Install NO ip Software on your PC

4) login to your server via WHM or Putty”any terminal of your choice” built in terminal for linux users,
5) locate and edit [...]

These could be considered the “thou shalt nots” of the new hacker ethic, as opposed to its affirmative “you shoulds.” Some of these transgressions of the hacker ethic are already implied by some of its basic affirmative principles. We can get an idea of what hackers believe they should do, based on what they reject [...]