How To Install iptables on CentOS 7
Introduction
In this tutorial we learn how to install iptables on CentOS 7.
What is iptables
The iptables utility controls the network packet filtering code in the Linux kernel. If you need to set up firewalls and/or IP masquerading, you should install this package. The iptables utility controls the network packet filtering code in the Linux kernel. If you need to set up firewalls and/or IP masquerading, you should install this package.
We can use yum or dnf to install iptables on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install iptables.
Install iptables on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install iptables using yum by running the following command:
sudo yum -y install iptables
Install iptables on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install iptables using dnf by running the following command:
sudo dnf -y install iptables
How To Uninstall iptables on CentOS 7
To uninstall only the iptables package we can use the following command:
sudo dnf remove iptables
References
Summary
In this tutorial we learn how to install iptables on CentOS 7 using yum and dnf.
