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How to setup VPN on IPFire using OpenVPN?
How to setup VPN on IPFire using OpenVPN?
Steve M avatar
Written by Steve M
Updated over a week ago

IPFire is a Linux firewall distribution that is secure and easy to operate. 

To configure IPFire firewall in order to connect to LimeVPN using OpenVPN, follow the below steps:

1. Open IPFire via command line as root

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

mkdir /etc/openvpn

cd /etc/openvpn

3. Download the OpenVPN configuration files and unzip them:

unzip zip

rm -rf zip

4. Before connecting add the below rule to the routing table:

iptables -t nat -A POSTROUTING -s 192.168.0.0/17 -o tun0 -j MASQUERADE

This will route all traffic from 192.168.0.0/17 network via the VPN tunnel. If you use different addresses, change accordingly.

5. To connect to a server, example eu10.limevpn.com, use the below command:

openvpn eu10.ovpn

6. When prompted enter the LimeVPN username and password

7. Following command will come up if the connection is completed

Initialization Sequence Completed

Troubleshooting:

If you get an error message like below:

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

Then use the below commands:

mkdir -p /dev/net

mknod /dev/net/tun c 10 200

chmod 600 /dev/net/tun

cat /dev/net/tun

If you receive below message, then it means your TUN/TAP device is ready for use.

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

Now repeat steps 5, 6 and 7

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