If you want to set up PureVPN on Kubuntu using the L2TP protocol, you can do so in a few steps by checking out the following guide:
1 Open the Konsole from the task bar.

2 Now to install L2TP dependencies, type the following commands one by one:
sudo bash
apt update
apt install network-manager-l2tp
3 Click the
Networks icon and select the
Configure Network option.

4 Click the
+ icon to add a VPN connection.

5 Select
Layer 2 Tunneling Protocol (L2TP) as your connection type.

6 When a new window appears, complete the fields as below:
- Connection Name: Enter a name for the connection you are adding such as PureVPN, for example.
- Gateway: Enter the PPTP or L2TP server address of the location/server that you wish to connect with, example: usca.pointtoserver.com
- Please click here for further server addresses.
- User name: Enter your PureVPN user name
- Password: Enter your PureVPN password

Click the IPSec Settings button, and use the following settings:
- Check the Enable IPSec tunnel to L2TP
- Pre-shared key: 12345678
In the Advanced section, specific the connection algorithms:
- Phase 1 algorithms: 3des-sha1-modp1024
- Phase 2 algorithms: 3des-sha1
Once done, click OK.

Now, click the PPP Settings button and use the following settings:
- Check the Use Point to Point Encryption (MPPE) box
- Check the MSCHAP box
- Check the MSCHAPv2 box
- Check the Allow BSD data compression box
- Check the Allow Deflate data compression box
- Check the Use TCP header compression box

Click OK and then Save.
7 Now, click the
Networks icon and select the newly created VPN connection. Hit the
Connect button next to PureVPN.

8 Voila! You are now connected.
