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How to configure IPFire firewall?

In order to configure IPFire firewall to connect to NordVPN, follow these steps:


1. Access your IPFire via command line as root.


2. Create and access the directory where all our configuration files will be stored:

mkdir /etc/openvpncd /etc/openvpn


3. Download our configuration files and unzip them:

unzip zip
rm -rf zip


4. Before connecting - you have to add additional rule to the routing table:

iptables -t nat -A POSTROUTING -s -o tun0 -j MASQUERADE

This rule will route all traffic from network via the VPN tunnel. If you use different addresses- change accordingly.


5. Choose a server which you would like to connect to.

Server file that you choose  = For the sake of the tutorial, we have used, but you should connect to a server suggested to you at . You can find the server hostname right under the server title.

6. Start OpenVPN with a chosen configuration by entering:
  • sudo openvpn [file name]
  • sudo openvpn


7. Type in your NordVPN username and password when asked.


8. The command line will type out this line if successfully connected:

Initialization Sequence Completed


Note: If the VPN cannot start for you and you are getting this output:

ERROR: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2)

Then do the following:

mkdir -p /dev/netmknod /dev/net/tun c 10 200chmod 600 /dev/net/tuncat /dev/net/tun

If you receive the message:

cat: /dev/net/tun: File descriptor in bad state

That means your TUN/TAP device is ready for use. Then repeat steps 5, 6 and 7.


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