change ssh port on CentOS 7

Edit /etc/ssh/sshd_config $ nano /etc/ssh/sshd_config Look for: #Port 22 Change to any port number of your choice, for example, 1234 Port 1234 (remove # from the beginning and change 22 to 1234, make sure not to use a port number that’s already used by another service like 80,21,443,53,25 etc..) 2) Add the port number to the …