OpenVPN dd-wrt

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PLEASE READ THROUGH THIS WHOLE ARTICLE!
You risk breaking your router when using a custom firmware!
Proceed carefully and make sure your router is compatible!

INFORMATION & REQUIREMENTS

These instructions are ONLY for users who already have a dd-wrt compatible router flashed with the latest version of the firmware. If you haven't flashed your router, please check the links on the right. Make sure your router is supported and read through the dd-wrt instructions to flash your device.

Router used for this tutorial: D-Link DIR-825 rev. B2 was used,Firmware: DD-WRT v24-sp2 (05/27/13) std build 21676.

If you're having issues with OpenVPN, please try the PPTP method.

Check List

  • Router must support OpenVPN. (big, mega or some std builds of the firmware)
  • Check both Model and Revision of your router to get the correct firmware.
  • Router must be configured to connect to the internet. (connected to modem through WAN port)
  • Firewall on modem must be off.
  • Time & Date & Time Zone on the router must be set correctly. (Setup > Basic Setup > Time Settings)

WARNING!
Only big, mega and some std builds of dd-wrt support OpenVPN.
mini and micro builds will not work with OpenVPN!





Openvpn_ddwrt_1.png

Setup Instructions Method 1

Setup Instructions Method 2

1. Connect to http://192.168.1.1/
2. Click on Administration > Commands.
3. Copy the whole content of the ddwrt_btguard.txt file in the Command Shell. ZIP with both .txt files

  • ddwrt_btguard.txt (Click below to select all)

4. Type in your username and password.
Both username and password are case sensitive. Make sure not to add/forget Capital Letters.
If UDP doesn't work, please type tcp instead of udp.
5. Click on Save Startup.

Openvpn_ddwrt_2.png



6. Copy the whole content of the ddwrt_firewall.txt file in the Command Shell.
7. Click on Save Firewall

  • ddwrt_firewall.txt (Click below to select all)

8. Now click on the Management tab, go to the bottom of the page and click on Reboot Router.

Setup Complete!

The router will reboot and it will take a couple minutes to finish setting everything up.





openvpn_ddwrt2_1.png

Setup Instructions Method 2

Setup Instructions Method 1

1. Connect to http://192.168.1.1/
2. Click on Services > VPN.
3. Enable OpenVPN Clientand fill in the following:

Server IP/Name: vpn.btguard.com
Port: 1194
Tunnel Device: TUN
Tunnel Protocol: UDP (switch to TCP if UDP doesn't work)
Encryption Cipher: Blowfish CBC
Hash Algorithm: SHA1 Leave nsCertType verification unchecked.
Advanced Options: Enable
TLS Cipher: None
LZO Compression: Disabled
NAT: Enable
Firewall Protection: Disable
Tunnel MTU setting: 1500
Tunnel UDP MSS-Fix: Disable
Additional Config:
auth-user-pass /tmp/openvpncl/user.conf
persist-key
persist-tun
CA Cert:
(Click below to select all)

4. Hit Save.






openvpn_ddwrt2_2.png

5. Click on Administration > Commands.
6. Copy the following in the Commands window.
Replace Username and Password with yours.
Both username and password are case sensitive. Make sure not to add/forget Capital Letters.

7. Click on Save Startup.



openvpn_ddwrt2_3.png

8. Now click on the Management tab, go to the bottom of the page and click on Reboot Router.
The router will reboot and it will take a couple minutes to finish setting everything up.
9. Click on Status > OpenVPN to check if you're connected.