Make sure the "Disabled" option is the one checked. In the router's Web-based setup page, click on the "Security" tab at the top.You should see a tab at the left of the screen called "Internet Filter." Click on that tab, then make sure the box next to "Filter Anonymous Internet Requests" is checked.
You should now see a tab at the left labeled "Remote Management Access." To its right are the words "Remote Management" followed by an "Enabled" or "Disabled" option.
If you haven't, then leave the "User name" box blank, and in the "Password" box, enter "admin." If that doesn't work, type "admin" into the "User name" box as well. Check that your router is running the latest firmware.
In the upper-right-hand corner of the screen, you should see the words "Firmware Version" and then several numbers. If that's the number you see, then skip to step 12.
From installation to troubleshooting, and using helpful OS-specific tips, this tutorial demystifies Open VPN for the beginning user. It's totally secure and infinitely configurable. You can install and run this software without relying on a third party, but the fact that it’s open source and free is what really makes it stand out.
Open VPN can be a little daunting to configure the first time you jump into it, but once you get your configuration worked out, it’s a pleasure to use.