CentOS

How to Disable IPv6 on CentOS?

In this article we’ll learn how to disable IPv6 on CentOS. How to check if I have IPv6 enabled or not? To check if you have IPv6 enabled or not, execute the following command: If you have IPv6 enabled, it will output something like in the picture below. whereas if the IPv6 disabled, there will …

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CentOS Firewall Tutorial – How to Install and Setup the CentOS Firewall?

In this tutorial, we will be installing and configuring the CentOS firewall. We will be using a very powerful and popular Firewall management tool called firewalld. Firewalld is built over iptables (which was previously used to filter network traffic) and comes preinstalled in all newer versions of CentOS, RHEL, and Fedora. Fundamentals of Firewalld Firewalld …

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