Linux防火墙

Linux

CentOS

1. 查询防火墙状态

$ service iptables status

2. 停止防火墙

$ service iptables stop

或

$ systemctl stop iptables.service

$ systemctl stop firewalld.service

3. 启动防火墙

$ service iptables start

或

$ systemctl start iptables.service

$ systemctl start firewalld.service

4. 重启防火墙

$ service iptables restart

或

$ systemctl restart iptables.service

$ systemctl restart firewalld.service

5. 永久关闭防火墙

$ chkconfig iptables off

或

$ systemctl disable iptables.service

$ systemctl disable firewalld.service

6. 永久关闭后启动

$ chkconfig iptables on

或

$ systemctl enable iptables.service

$ systemctl enable firewalld.service

Ubuntu

1. 关闭防火墙

$ sudo ufw disable

2. 打开防火墙

$ sudo ufw enable