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tags: Linux
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# CentOS SSH port changing
1. Changing sshd_config
echo "Port 2222" >> /etc/ssh/sshd_config
or
vi /etc/ssh/sshd_config
2. Configure firewall
firewall-cmd --permanent --remove-service=ssh
firewall-cmd --permanent --add-port=2222/tcp
firewall-cmd --reload
3. Restart SSH service
systemctl restart sshd.service
4. Check SSH status
systemctl status sshd.service