Centos7新装系统sshd安全设置
firewall-cmd --zone=public --add-port=3001/tcp --permanent firewall-cmd --reload sed -i 's/#Port 22/Port 3001/g' /etc/ssh/sshd_config service sshd restart
firewall-cmd --zone=public --add-port=3001/tcp --permanent firewall-cmd --reload sed -i 's/#Port 22/Port 3001/g' /etc/ssh/sshd_config service sshd restart
