==== Firewalld Ports ====

<sxh bash>
firewall-cmd --add-port=80/tcp
</sxh>
<sxh bash>
firewall-cmd --add-port=80/tcp --permanent
</sxh>
\\

==== Firewalld Services ====
<sxh bash>
firewall-cmd --add-service=http
</sxh>
<sxh bash>
firewall-cmd --add-service=http --permanent
</sxh>