Endian Firewall is an open-source router, firewall and gateway security Linux distribution. Below instructions will help you configure OpenVPN on Endian Firewall
1. Access Endian Firewall using SSH and type in the below command:
nano /etc/open (Press Enter)
nano /etc/openvpn/openvpnclient.conf.tmpl (Press Enter)
2. Now enter the below lines in the file that opens up
cipher AES-256-CBC
tun-mtu 1500
tun-mtu-extra 32
mssfix 1450
Save the file and exit
3. Login to Endian Firewalls web interface and go to VPN -> OpenVPN client
4. Click Add tunnel configuration and fill in the details according to the server you wish to connect:
Connection Name: LimeVPN
Connect To: eu10.limevpn.com
Upload Certificate: Select the corresponding CA certificate file
NOTE: The certificate can be copied from the ovpn file that can be downloaded from here
Username: LimeVPN username
Password: LimeVPN password
Click Advanced
Connection Type: TUN
NAT: enabled
Protocol: UDP
5. Save and you will be taken to the main page
6. Press on Pencil icon to the left of your created connection to edit the settings
7. Then click Advanced Tunnel Configuration
8. Add the below TLS key
AUTH_KEY='-----BEGIN OpenVPN Static key V1-----
334197a6762361463c73c45b64cc3d1d
2d8344efef576bdd4905b46552510ffb
9da6860a061bf154cf2c0fbd7b1e7854
053b036cbc9d363c316b452b3f479df0
2ae396cea5104992a35b2ceec79f235e
d4a62c96281ac2a9f90d28990970b387
f6ad2606c39793a5e1b2cd5dc4b934ec
de56fd2ca7474f9a6b6dd113698da4dc
0fa1ea2aea2a9e26e7e49f32b1c09d3b
c57b7bf3619be1126ad738190d0ba5f7
05e42e00993f050c5f7751ba2e8bfe70
ce66cb893f28b65554f37074a3bb1079
9eda840dd013a47ee88591bff8ca3396
ac4026697319b51aae957b71d0151624
a9b97be5f935d5c3b5c771069216e5b4
0875e7ce555006f356b7a8d8a58970ca
-----END OpenVPN Static key V1-----'
9. Click Save and wait a few seconds for it to connect