How to change SSH port on CentOS

- Open file:
/etc/ssh/sshd_config

- Find:
#Port 22

- Replace:
Port 7777

- Stop firewall and reboot:
Mã:cd
echo 0 > /selinux/enforce
setenforce 0
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl mask --now firewalld
reboot
cd

View more: https://monovm.com/blog/how-to-change-ssh-port-on-centos/