linux防火牆操做

1、.對於centos7自帶的防火牆的相關指令 

#中止firewall 

systemctl stop firewalld.service

#禁止firewall開機啓動 

systemctl disable firewalld.service

#查看firewall的狀態

systemctl status firewalld.service

 

2、對於centos6 iptables防火牆的相關狀態 

#關閉防火牆—–service iptables stop  

#啓動防火牆—–service iptables start  

# 重啓防火牆—–service iptables restart  

# 查看防火牆狀態–service iptables status  

# 永久關閉防火牆–chkconfig iptables off  

# 永久關閉後啓用–chkconfig iptables on