Changes

<b><code><span style="color:#3366CC;font-size:1.2em;">sudo systemctl disable firewalld</span></code></b><br>

<b><code><span style="color:#3366CC;font-size:1.2em;">sudo systemctl stop firewalld</span></code></b><br>

<br></li>

<li>To start and enable the nftables services, issue the following commands:<br>