OpenWRT - Set up OpenVPN

Install Packages:

opkg update && opkg install luci-app-openvpn openvpn-easy-rsa openvpn-openssl

1. Get the OpenVPN configuration file (usually ending in .ovpn)

2. Navigate to VPN --> OpenVPN

3. Click Browse and selelect the .ovpn file

4. Click Upload

5. Click Edit

6. In the bottom empty field, enter your credentials, each on new line.

7. Copy the auth-user-pass path in brackets (shown in red in the picture) and paste it next to the auth-user-pass option in the OVPN config.

8. Press Save, and click on VPN -> OpenVPN in OpenWRT menu.

9. Press Save & Apply.

10. Navigate to Networking -> Interfaces.

11. Click the Add new interface button.

12. Name: OpenVPN

13. Click on Interface and write tun0 in the textbox, and press enter.

14. Click on Create interface button.

15. Make sure there is a checkmark on Bring up on boot

16. Click Save

17. Click on Save & Apply in the Interfaces screen

18. Navigate to Network --> Firewall

19. Scroll to the bottom of the screen to the Zone section, and Add a new Zone.

20. In the General Settings tab, set name to OpenVPN_fw, change Input to reject, Output to accept, Forward to reject.

21. Put check mark on both Masquerading and MSS clamping

22. Covered networks – select OpenVPN

23. In the Allow forward from source section, lan.

24. Press Save

25. Press Save & Apply on Firewall - Zone settings

26. In the top menu, go to VPN -> OpenVPN. Set the checkbox Enabled for VPN connection you just created, and click Save & Apply.

27. After the settings are saved, click Start button next to the VPN connection.

Done!