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GlobalProtect VPN With Okta Push 2FA

Need to connect your Linux desktop to a GlobalProtect VPN, but your company uses Okta Push 2FA? You've come to the right place!

"Supported" Distros

This script was tested on Xubuntu 19.10 and CentOS 8. Only Xubuntu "works" but CentOS 8 is nearly working. This is all unsupported. YMMV.

Installation

If you are running a recent Debian/Red Hat distro, you should be able to run ./install.sh.

If not, well... here's what the script does.

  • Installs OpenConnect version 8. Minimum requirement unless you want to patch stuff, but that's on you. You need a version that supports --protocol=gp so make it happen however.
  • Fetches a copy of gp-saml-gui.
  • If it is not already installed, it fetches a fake HIP report script so the VPN thinks we're kosher.
  • Installs whatever is required to run the aforementioned dependencies.

After that, edit /etc/gp-okta.conf and set VPN_SERVER to your VPN server domain name, if you somehow failed to enter the VPN domain during install.

Finally, if you desire a UI to enable or disable this, check out the other install scripts here.

That's it.

Connection

Again, if your system is script-friendly, just run start.sh and magic should happen.

If not, well... here's what the script does.

  • Checks that some of the crap mentioned above is installed.
  • Sources /etc/gp-okta.conf to get VPN_SERVER.
  • Executes gp-saml-gui.py and displays a WebKit window to log in via Okta.
  • Evaluates the output of gp-saml-gui.py to get the needed variables for making the connection.
  • Executes openconnect with all the correct flags.

Disconnect

Run stop.sh. Or kill the running openconnect process. Whatever.

Known Issues

  • CentOS 8 almost works, but DNS is to be an issue. I don't know why.
  • No NetworkManager integration yet, and it doesn't look good.
  • Some Gnome Shell installations may require gnome-tweaks to actually enable the indicator applet.