I would like to setup VPN connection using mentioned software on Ubuntu 18.04.4 LTS. Binary source: SOURCE. The application is 32 bit while operating system is 64 bit, after installing some libraries app run. I have found that app doesn't recognize domain names, so I use numbers. After clicking Connect, I receive Notice:

Insufficient credential(s). Please check the password, client certificate, etc. 

Status in Connection status window is:

Set up tunnel failed

Below I am attaching "mock" configuration screen. One maybe important thing is, that I have to use Remote Gateway: not, but how to configure something like this? When I insert in Server: I receive:

Start SSLVPN error: Can not resolve FortiGate address

Credentials are correct, there is not certificate which I should provide. Maybe should I first unistall FortiClient 6.0 for Linux which I had installed before FortiClient SSLVPN installation? Maybe should I force software to recognize domain name? Before I try to connect, during app start I receive some logs, should I worry about them?

Failed to load module "atk-bridge"
Gtk-WARNING **: Unable to loction theme engine in module_path:"murrine" 
Failed to load module "canberra-gtk-module"

Maybe should I open 777 tunnel? But, I believe, I have already done that. Could you help me overcome this?



Below I am listing actions I have made which did not help:

  • Uninstalling FortiClient 6.0 for Linux
  • Adding line to /etc/hosts to let machine recognize domain name (here is mock):    domain.name.com
  • Solving (by software installation) issues with atk-bridge, murrine, canberra-gtk-module

I would like to add, that when I visit via browser, I see login box and I am able to log in (it proves that credentials (login and password) are correct). Maybe the problem lies in the certificate: the browser is able to somehow overcome that, while the FortiClient SSLVPN application is not? But as far as I know there is not certificate. Do you happen to know how to solve the problem?

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