Linux防火墙相关指令

CentOS7

  • 查看防火墙状态
systemctl status firewalld.service

如状态显示 active(running)表示已经开启

  • 关闭防火墙(仅在本次开机有效)
systemctl stop firewalld.service
  • 永久关闭防火墙
systemctl status firewalld.service
  • 开启防火墙
systemctl start firewalld.service
  • 开机自动开启防火墙
systemctl enable firewalld.service

Ubuntu

  • 开放端口,如8080
sudo ufw allow 8080