firewalld
, run the following commands as root:
~]# systemctl disable firewalld # systemctl stop firewalld
firewalld
, first disable firewalld
by running the following command as root:
~]# systemctl disable firewalld # systemctl stop firewalld
~]# yum install iptables-services
# touch /etc/sysconfig/iptables
# touch /etc/sysconfig/ip6tables
# systemctl start iptables
# systemctl start ip6tables
# systemctl enable iptables
# systemctl enable ip6tables