I don't agree with this. A simple nmap is enough to find the SSH port. This will get you in trouble when you're on a network which blocks port. The ssh port is

I don't agree with this. A simple nmap is enough to find the SSH port. This will get you in trouble when you're on a network which blocks port. The ssh port is often open (at least if it's an establishment where programmers work) and a port like 2022 is not.