CentOS 7 防火墙和端口设置

防火墙管理

# 启动防火墙
systemctl start firewalld
# 关闭防火墙
systemctl stop firewalld
# 重启防火墙
systemctl restart firewalld
 
# 设置开机启动防火墙
systemctl enable firewalld
# 设置开机不启动防火墙
systemctl disable firewalld# 启动防火墙
systemctl st