Shulou(Shulou.com)06/02 Report--

1 、 cd / etc/ssh

2 、 cp sshd_config sshd_config_20190901

3 、 vi sshd_config

Find Port and modify port number (multiple ports can be supported at the same time)

Save exit

4. Sudo semanage port-a-t ssh_port_t-p tcp 2222

5 、 systemctl restart sshd

6 、 systemctl status sshd.service

7. Firewall-cmd-zone=public-add-port=2222/tcp-permanent

8. Firewall-cmd-reload

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.