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Hugh Ratsch
2025-02-18 20:25:08 -06:00
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@@ -745,16 +745,28 @@ sudo dnf repolist # List all repositories
### firewall-cmd
> Note: firewall-cmd is used to manage the firewall rules.
```bash
### displaying the firewall zones
sudo firewall-cmd --get-active-zones # Display the active zones
sudo firewall-cmd --get-default-zone # Display the default zone
sudo firewall-cmd --get-zones # Display the zones
### setting the default zone
sudo firewall-cmd --set-default-zone=public # Set the default zone to public
### displaying the rules in the firewall
sudo firewall-cmd --list-all # Display all the rules in the firewall
### adding rules to the firewall
sudo firewall-cmd --zone=public --add-service=http --permanent # Add the http service to the public zone
sudo firewall-cmd --zone=public --add-port=80/tcp --permanent # Add the port 80/tcp to the public zone
sudo firewall-cmd --zone=public --add-protocol=tcp --permanent # Add the tcp protocol to the public zone
### removing rules from the firewall
sudo firewall-cmd --zone=public --remove-service=http --permanent # Remove the http service from the public zone
sudo firewall-cmd --zone=public --remove-port=80/tcp --permanent # Remove the port 80/tcp from the public zone
sudo firewall-cmd --zone=public --remove-protocol=tcp --permanent # Remove the tcp protocol from the public zone
### reloading the firewall
sudo firewall-cmd --reload # Reload the firewall
```