How to filter

• Firewalld - How to filter your traffic based on an IP, port or Region?
• How to restrict your firewall by country firewalld (ie iptable)
• How to allow only the HTTP traffic from a subnet such as Cloudflare with Firewalld?

How to forward

• How to forward to a port / address (Redirect) with firewalld?

How to disable firewalld on rescue mode when all goes wrong

If your firewall is locking you out of your machine, this article will explains you how to disable it and take control back.

How to disable your firewall in rescue mode ?