How to Setup PureVPN on DDWRT Router

Mar 08, 2018

May 08, 2019

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For maximum security, you can always configure VPN on your DD-WRT router. However, if you are not sure how to make this possible, here is what you need to do:

Things to Consider:

Before you begin, please make sure that:

You have a working internet connection
VPN Supported Router.
Own a premium PureVPN account (If you do not already own one, you can buy a subscription from here)

How to Install and Connect Applet on DD-WRT Router?

How to setup PPTP on DDWRT Router

How to setup OpenVPN on DDWRT Router

OpenVPN Configuration guide:

First you need to download all OpenVPN files. Once downloaded, extract the files.

1 Open your DDWRT Control Panel and Select ‘Services’ then go to VPN tab and Enable ‘OpenVPN Client’

2 Insert the following info:

Enter your desired Country / Server address in Server IP / Name box. Open *.ovpn file to get the server address. OR you can also get the complete server list here
In the ‘Port’ field, enter 53 for UDP and 80 for TCP.
Select ‘TUN’ from Tunnel Device drop down menu.
In Tunnel Protocol, select UDP for port number 53 or TCP for port number 80.
In Encryption Cipher field, select encryption level AES-256 CBC.
For Hash Algorithm, select SHA1.
Enable the Advance option.

3 Insert the following info:

For TLS Cipher select ‘None’.
In LZO Compression tab select ‘Adaptive’.
Disable NAT and also disable Firewall protection.
Leave the IP address and Subnet Mask field unfilled.
Disable the ‘Tunnel UDPMSS-Fix’ option.
For TLS Auth Key, go to the downloaded OpenVPN files. Open the file titled ‘WDC.key’ in notepad, copy all its content and paste it in the TLS Auth Key field.
In Additional Configuration, insert auth-user-pass /tmp/user.txt.
For CA Cert, once again open the downloaded OpenVPN files. Now, open the file titled ‘CA.crt’ in notepad, copy all its content and paste it in the CA cert field.
Now, save and apply the settings

Note: For some Disabling NAT gives error MANAGEMENT: Client connected from [AF_INET]127.0.0.1:16 so Enable NAT then try again

4 Now, click on the Security Tab at the top menu bar. Select Firewall tab and go to SPI firewall and disable the option. Once again, click on ‘Save’ and ‘Apply settings’

5 Now, click on the “Administration” tab and select the ‘Command’ tab. Enter the following script in command box:

#!/bin/sh
touch /tmp/user.txt
echo -e “purevpn username\npurevpn passwrord” > /tmp/user.txt

OR use alternate script

echo username >> /tmp/user.txt
echo password >> /tmp/user.txt
/usr/bin/killall openvpn
/usr/sbin/openvpn –config /tmp/openvpncl/openvpn.conf –route-up /tmp/openvpncl/route-up.sh –down-pre /tmp/openvpncl/route-down.sh –daemon

There are some changes that you need to make in text box such as:
Change PureVPN username with the actual username provided to you by PureVPN.
Change PureVPN password with the actual password provided to you by PureVPN.
At the end, click on ‘Save Startup’

6 Now, click on ‘Management Tab’ go at the bottom and click on ‘Save’ and then ‘Apply settings’. You need to reboot your router, once router reboots, open the control panel and click on ‘Status’ and select ‘OpenVPN’. You can see your VPN status from this window.

How to setup OpenVPN via Script Method on DDWRT Router

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