service firewalld stop chkconfig firewalld off yum remove firewalld -y yum install iptables-services -y service iptables start iptables -F service iptables save
原文链接:https://wiki.olvps.com/?p=445
service firewalld stop chkconfig firewalld off yum remove firewalld -y yum install iptables-services -y service iptables start iptables -F service iptables save