How to connect SSL VPN on Ubuntu 18.04

I have tried every openvpn configuration and setup manual.. and I failed it badly.. I just can't figure out how to connect at the end.

This vpn is provided to me by my work office.

All I have is. Vpn username & password .. gateway .. and customized port of 5 numbers in length.

I tried to connect on a Windows machine using forticlient and I succeeded.. but now I want to do it on Ubuntu and it's not that easy! Thanks.

P.S. I'm not obligated to openvpn any software will work

3 Answers

As Fortinet VPN could use several VPN protocols
And as we do not know which one
-> You'd better use the Forticlient Official client for Linux & Ubuntu
Then you could export the vpn client xml configuration file from Windows that you will import to the Ubuntu client.

Find installation instructions for 18.04 here :

Install Forticlient on Ubuntu 18.04 LTS

Install gpg key

wget -O - | sudo apt-key add - 

Add the following line in /etc/apt/sources.list

deb [arch=amd64] /bionic multiverse 

Update package lists

sudo apt-get update 

Install FortiClient

sudo apt install forticlient 

4

On Linux the forticlient is split into two parts: forticlient and forticlient vpn. You need the vpn part. Note that both applications are called "forticlient" and there is much confusion. On the forticlient download page there is a link to the vpn and another link that takes you to instructions for using a repo. Us the vpn one and download a deb then use the standard install process.

Alternative to forticlient is openfortivpn

sudo apt install openfortivpn
sudo nano /etc/openfortivpn/config

Enter as much of the following info and save

host = domain.com
port = 443
username = username
password = PASSWORD
trusted-cert = asldkfjoaskdfjlasdjflsjkdflkj

run the vpn client

sudo openfortivpn

if trusted-cert was not known or used you will be prompted with the correct cert that you can put in the config file. Rerun the sudo openfortivpn and you should get connected with info similar to the following

INFO: Interface ppp0 is UP.
INFO: Setting new routes...
INFO: Adding VPN nameservers...
INFO: Tunnel is up and running.

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