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OpenVPN Configuration Setup on ASUS Router

DNSFlex > VPN Setup  > Router  > OpenVPN Configuration Setup on ASUS Router

OpenVPN Configuration Setup on ASUS Router

This user guide provides the steps required to configure the ASUS Router using OpenVPN Protocol.


Note: This tutorial is only compatible with the following Asus routers:

RT-N66U, RT-AC56U, RT-AC66U, RT-AC68U, RT-AC87U, RT-AC5300, RT-AC3200, RT-AC3100, RT-AC1750, RT-AC88U, RT-AC66R, RT-AC55U



Before you begin – Create VPN Username/Password


Create a DNSFlex account, then log into the dashboard to manage your SOCKS5/VPN username and password.





  • Once you are logged in, select the “VPN” tab





  • Next, enter your username and password.  This login will be used for VPN, SOCKS5 and SSH server access.





Before you begin – Download DNSFlex OpenVPN Configuration Files


In the next step of this tutorial, you will need to provide authentication and server information found in the DNSFlex .ovpn configuration files.


  • Start by visiting the DNSFlex VPN locator map here.


  • Select Country


  • Select the VPN configuration file from the drop down menu



  • Save the files in a location for safe keeping



Step 1 – Login to ASUS Router


  • Login to the Router Admin UI by accessing your web browser and entering the Router IP in the address bar.  The default address is


  • Login with the username and password you setup for your router account. By default, your User Name should be admin and your Password should be admin.





Step 2 – Configure VPN Settings


  • Navigate to the left pane menu and select Advanced Settings -> VPN





  • Select the “VPN Client” tab from the top menu, click “Add Profile





  • Select the “OpenVPN” tab and enter the following details


Description: Useful details about your VPN Connection Profile

Username: DNSFlex VPN Username (Created in Step 1)

Password: DNSFlex VPN Password (Created in Step 1)

Import .ovpn file: DNSFlex OpenVPN configuration file (Downloaded in Step 1)




  • Select “OK”


  • Finally, click on “Activate” to Connect to the VPN Server






Note: If you wish to update VPN location, you must connect to a different VPN Server.


  1. Browse to the DNSFlex VPN Server Map here and download a new .ovpn configuration file.
  2. Follow Step 2 to upload the new .ovpn file
  3. Enter your DNSFlex VPN Username and Password
  4. Hit Apply at the bottom of the page and select Service State ON..
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