I don't know a lot about VPNs but I'd like to connect to a Fortinet VPN with Ubuntu.
I can connect on Windows using Forticlient just by entering the policy server (vpn.theserver.com) and then it asks for a user/password. I use IPSec.
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If you use SSL based VPN from Fortinet, you can use openfortivpn software which is part of Ubuntu and Fedora.
$ sudo apt install -y openfortivpn || yum install -y openfortivpn $ touch openfortivpn.conf $ chmod go= openfortivpn.conf
host = port = username = password = # trusted-cert =
Connect the first time:
$ sudo openfortivpn -c openfortivpn.conf ERROR: Gateway certificate validation failed, and the certificate digest in not in the local whitelist. If you trust it, rerun with: ERROR: --trusted-cert <some-random-string-to-add-to-trusted-cert>
Edit openfortivpn.conf file and update
trusted-cert option with the string from the error. Make sure the option is not commented (remove the
Each time you need to connect, run:
sudo openfortivpn -c openfortivpn.conf
You could also do it straight through the command line and make an alias for it in your
.bashrc. This is less secure as any user on the system will be able to see the password using
sudo openfortivpn -u <USER> -p <PASSWORD> --trusted-cert <CERTIFICATE> <SERVER>:<PORT>
To disconnect press: Ctrl+C