Centos 7 Modify SSH port number

Watch out! The CentOS version here is 7 step1 modified/etc/ssh/sshd_configvi/etc/ssh/sshd_config#port 22//This line minus # Port 20000// Add this line below Step2 Modify SELinux Use the following command to view the current SELinux allowed SSH port: semanage port-l | grep ssh add 20000 port to selinuxsemanage port-a-T ssh_port_t-p TCP 20000 then check to see if it is added Semanage port-l | grep SSH If successful will output ssh_port_t TCP 20000, step3 restart SSHsystemctl restart Sshd.service

Centos 7 Modify SSH port number