![GitHub - psammarco/IPFire-external-DNS-block: Step by step tutorial on how to block external DNS Servers usage inside your network GitHub - psammarco/IPFire-external-DNS-block: Step by step tutorial on how to block external DNS Servers usage inside your network](https://raw.githubusercontent.com/psammarco/IPFire-external-DNS-block/master/examples/red-dns-block2.png)
GitHub - psammarco/IPFire-external-DNS-block: Step by step tutorial on how to block external DNS Servers usage inside your network
Resolved) Could not block outside DNS-Servers, please check your firewall settings!? - VPN Questions and General Support - TorGuard Forums
![GitHub - psammarco/IPFire-external-DNS-block: Step by step tutorial on how to block external DNS Servers usage inside your network GitHub - psammarco/IPFire-external-DNS-block: Step by step tutorial on how to block external DNS Servers usage inside your network](https://raw.githubusercontent.com/psammarco/IPFire-external-DNS-block/master/examples/1_service-groups.png)