To change SSH port on SELinux enabled Linux server, do the following steps:
- Login to the server via SSH.
 - Open SSH config file using 
vi /etc/ssh/sshd_config - Edit the file, remove 
"#"from SSH port line#Port 22and change the default port (example:Port 2454) - Now run 
semanage port -a -t ssh_port_t -p tcp PORTNUMBER - Add the new SSH port in the firewall
 - Now restart the sshd service using 
service sshd restart 
