centos 7 install iptables
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl mask --now firewalld
sudo yum remove firewalld
sudo yum install iptables-services
sudo systemctl start iptables
sudo systemctl enable iptables
sudo systemctl status iptables
sudo iptables -nvLCopyright © 2021 Codeinu
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