防火墙

1:查看防火状态
 
systemctl status firewalld
 
service  iptables status
 
2:暂时关闭防火墙
 
systemctl stop firewalld
 
service  iptables stop
 
3:永久关闭防火墙
 
systemctl disable firewalld
 
chkconfig iptables off
 
4:重启防火墙
 
systemctl enable firewalld
 
service iptables restart  

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原文链接：https://blog.csdn.net/qq_35971258/article/details/79318842