Please note the following requirements:
- Router with alternative DD-WRT firmware and support of OpenVPN. Older versions need to be updated.
Info: DD-WRT Website- A CyberGhost account
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Disclaimer: Please keep in mind that, although the technical process is as thoroughly documented as possible, you need to have at least some technical understanding. There's always a chance for an overseen mistake and/or things have changed and the article is not updated yet.
FlashRouters offers plug and play DD-WRT Routers preconfigured with CyberGhost VPN for this setup.
Some general notes on routers:
- Routers are usually not equipped with state of the art hardware, meaning you will have speed losses when using a VPN connection (due to low CPU power to process encryption). Direct connections from your PC, Laptop, Tablet, etc. to the VPN network (without the router providing the VPN software) will work better for you if speed is among your favorite desires.
- If your flashed router doesn't provide DSL functionality, your Internet connection will still need to be managed by your DSL modem. In that case, your device pool will hook on your router (via cable or wireless) and the router itself will be hooked to your DSL modem. So don’t forget to configure your WLAN devices to connect to the new router, so they won’t log in to the old WLAN. Alternatively, you can deactivate your modem’s WLAN completely (only if you don’t need it for unencrypted traffic).
- If you flash your router with an alternative firmware you might lose your device’s guarantee; please consult your dealers’ policies regarding this matter. Furthermore, it might happen that the flash process leaves your device unusable, e.g. after a power failure while flashing. CyberGhost is not to be held responsible for any damages, does not acknowledge any liabilities, and will not adopt your manufacturer’s warranty.
- Also please note that not all routers with VPN client support will be able to connect to the CyberGhost network or might lose that ability with future firmware updates.
DD-WRT is a custom firmware for routers, it offers OpenVPN protocol support and is available on a wide variety of routers. You can check if your router supports DD-WRT firmware here. An article on how to install DD-WRT firmware on a router can be found here.
This is a tutorial on how to set up an OpenVPN connection on your DD-WRT router using the OpenVPN client UI.
It has been made using this configuration:
Firmware: DD-WRT v3.0-r40900 std (09/04/19)
Hardware: Linksys WRT32x
Step 1
The first thing you should do is make sure your DD-WRT router can connect to the Internet.
Connect to your Router Management console by starting your web browser and typing the following IP in the address bar: 192.168.1.1 (this is the default router management address, yours may differ if you've manually set a different one)
1. Now click on 'Setup' > 'Basic Setup' - ensure the 'Automatic Configuration' of IP addresses (DHCP) is set as the connection type and give your DD-WRT router a fixed local IP address under 'Network Setup' > Local IP Address - If you set this to something other than the default, please note that the address you enter here WILL be the one you'll be using when you wish to access the router Management Console (default is 192.168.1.1).
NOTE : The default settings should do just fine once 'Automatic Configuration' is selected, only tweak this if you have specific settings provided by your ISP
2. Navigate to Setup > IPV6. Set IPv6 to Disable, then Save & Apply Settings.
(this is a recommended step to make sure you get no IP leaks)
Step 2
Visit your CyberGhost VPN online account and login with your Premium Username and Password
- Expand the account options
- Select Download Apps
- Go to Other
- Select Configure New Device
Now create your server configuration, as described below :
- Protocol : OpenVPN
- Country : Since native protocol connections may only be used with exactly one server you now have to choose the country you want to surf from; the server to be used in this country will be chosen by CyberGhost automatically.
- Server group : Choose the server group and the OpenVPN protocol (UDP or TCP) you want to use
OpenVPN UDP allows higher speed than the TCP version but can result in broken downloads in some cases. This is the default setting.
OpenVPN TCP allows more stable connections than the UDP version but is a bit slower. Choose this version, if you have recurrent connection issues such as sudden disconnections.
Once the desired parameters are chosen, save them with « Save Configuration »
To view the OpenVPN credentials that are generated for you on the configuration dashboard, press View Configuration.
After setting up your connection preferences, please take note of the following:
- Server Group : This is the address of the country (server) you want to be connected with, e.g. '12345-1-ca.cg-dialup.net'. This address changes with every country you have chosen in the step before. The actual single server to be used will be chosen automatically by CyberGhost.
- Username : A solely for this protocol generated user name. This is NOT your regular CyberGhost account user name, it's used only to authenticate with our servers via Manual Configurations.
- Password : A solely for protocol usage generated password. This is NOT your regular CyberGhost account password, it's used only to authenticate with our servers via Manual Configurations.
- Pre-Shared Key
Once done, please download the configuration file. For that click on « Download Configuration » and download the config file to your computer (it's recommended that you create a special folder for the config, somewhere accessible like your Desktop and Extract/Copy the contents of the .zip file there.
Important: please keep your username and password obtained during the configuration process at hand, you will be asked to enter them later in the setup.
Now, the saved config is a ZIP file, which contains the following single files:
- ca.crt: This is the certificate of the certification authority
- client.crt: This is the user certification file
- client.key: This is your private key file
- openvpn.ovpn: This is your OpenVPN configuration file
If you need to change the country you connect to, you must re-configure the location to use in your account management and download the new zipped config file.
Step 3
Open your router interface, as before, by starting your web browser and typing the following IP in the address bar: 192.168.1.1 (this is the default router management address, yours may differ if you've manually set a different one)
Once in the router management console, 'Services' > then 'VPN'.
Scroll down to 'OpenVPN Client' and check the 'Enable' option next to 'Start OpenVPN Client'.
Now you can quickly fill in the client's settings as shown below:
- Server IP / Name: Please enter the server group of Step 2, e. g. '12345-1-ca.cg-dialup.net'. Depending on the country to connect with, fist part of each address will be changed, e.g. instead of '12345-1-dialup.net‘ (CA meaning Canada and 12345-1 being the server group), when choosing a different country, the first part would be similar to '12345-1-gb.cg-dialup.net' (GB meaning Great Britain and 12345-1 the server group).
- Port: 443
- Tunnel Device: TUN
- Tunnel Protocol: UDP or TCP, (depending on which protocol type you have chosen in step 1)
- Encryption Cipher: AES-256-CBC
- Hash Algorithm: SHA256
- User Pass Authentication: Enable
- USERNAME: The username you have generated when adding the device in STEP 1 (this is NOT your regular CyberGhost Username)
- PASSWORD: The password you have generated when adding the device in STEP 1 (this is NOT your regular CyberGhost Password)
- Advanced Options: Enabled
- TLS Cipher: None
- LZO Compression: Disabled
- NAT: Enable
- Firewall Protection : Enable
- IP Address: leave blank
- Subnet Mask: leave blank
- Tunnel MTU setting: 1500
- Tunnel UDP Fragment: leave blank
- Tunnel UDP MSS-Fix: Disable
- nsCertType verification: Leave unchecked
- TLS Auth Key: leave blank
- Additional Config: Go to the folder where you've extracted the downloaded configuration, right-click the 'openvpn.ovpn' file and open it with a TEXT editor (any text editor will do but WordPad displays the config. more clearly).
- Once open, select the passage from 'resolv-retry infinite' to 'verb 4' and right-click > COPY the selected text (or use CTRL+C)
- Right-click in the 'Additional Config' field and click PASTE
- Policy based Routing: leave blank
- PKCS12 Key: leave blank
- Static Key: leave blank
- CA Cert: In this box please copy all of the text found in the 'CA.crt' file. Just like with the .ovpn file, right-click the 'CA.crt' file and choose Open With > WordPad/Notepad > copy ALL of the text 'ca.crt' and PASTE it in this box
- Public Client Cert: In this box please copy all of the text found in the 'client.crt' file. Just like with the .ovpn file, right-click the 'client.crt' file and choose Open With > WordPad/Notepad > copy ALL of the text 'client.crt' and PASTE it in this box
- Private Client Key: In this box please copy all of the text found in the 'client.key' file. Just like with the .ovpn file, right-click the 'client.key' file and choose Open With > WordPad/Notepad > copy ALL of the text 'client.key' and PASTE it in this box
- Click on Save and then on Apply Settings
Below is an example of a properly configured router :
Step 4
Finally, click on the Administration tab > Commands
In the Command Shell field, copy and paste the following commands (from this article, select all commands beginning with iptables > right-click > copy :
iptables -I FORWARD -i br0 -o tun1 -j ACCEPT
iptables -I FORWARD -i tun1 -o br0 -j ACCEPT
iptables -I INPUT -i tun1 -j REJECT
iptables -t nat -A POSTROUTING -o tun1 -j MASQUERADE
Right-click in the 'Commands' box > PASTE > click on 'Save Firewall'.
You can now reboot the device by going to Administration > Management > scroll all the way down and click Reboot Router
NOTE : You may need to wait some time (upwards of 1 minute, depending on the router) for the settings to apply.
To verify the VPN is working, navigate to Status > OpenVPN
Under State, you should see the message: Client: CONNECTED SUCCESS
Important: You WILL need to Reboot the Router each time you set a different country
Finally, restart your browser (this is extremely important as location info may be cached in the browser) and visit a website like iplocation.net to verify the change of your IP
For any additional information or concerns - it is best to approach the Support Department:
via e-mail: support@cyberghost.ro
via on-line request: https://support.cyberghostvpn.com/hc/en-us/requests/new
via 24/7 Live! Chat Sessions on our website
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