Originally Posted by maxH22
Hi everybody. i am very glad to be part of this forum. i just started using Backbox linux and i need an extremey sharp guidance to master it.
first of all i'd like to know:
HOW TO OPEN PORTS WITH UBUNTU FROM A DISTANT SERVER?
The natural way is logging in from the distant server and then using the iptables command. This requires one port to be open, typically SSH (22).
Maybe you are looking for port knocking, a solution that opens a port by accessing certain ports in a certain order. This description
seems to be readable and competent.