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FireBrick Road Warrior strongSwan Network Manager

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FireBrick acting as the ipsec 'server', and configuring a strongSwan client on Fedora using Network Manager.

This example uses strongSwan on Debian, but the config would suit other flavours once you've installed the package(s).

Install Packages


dnf install NetworkManager-strongswan  NetworkManager-strongswan-gnome -y


apt install network-manager-strongswan

(optional) Certificate Installation on the client

If you're using self-signed certs, generated by the FireBrick then do the following, otherwise (eg if you are using the easily installed Let's Encrypt cert on the FireBrick then you can skip this stage)

  1. Go to your VPN end point FireBrick and log in.
  2. Download the certificate from the Firebrick in “DER” format.
  3. Copy or move the cert to /etc/ssl/certs/ :
    1. sudo cp /home/user/brick-ca-cert.crt /etc/ssl/certs/

Note: When doing this with a LetsEncrypt Cert it is the ISRG-Root-X1.pem cert not the Let'sEncryptAuthorityX3 cert that is needed in /etc/ssl/certs/. This only seems to be for Linux as iOS, OSX, Window 10 and Android-strongswan all work with the Let'sEncryptAuthorityX3 cert. - the ISRG-Root-X1 is usually already installed by the OS.

Set Up VPN

  1. Open up “Settings” and then select “Network” (pic below)
  2. Click the + button to create a new VPN (pic below)
  3. Select “Ipsec/IKEv2 (strongswan)” (pic below)
  4. Enter the name of VPN connection
  5. Enter the address of the Firebrick the VPN is going to connect to.
  6. Select “EAP” Authentication
  7. Click the icon and select password option you wish and enter password if needed.
  8. Select required “Options”.
  9. Click Add in the top right

You should now be ready to connect, either click the VPN on in settings or from the network icon in the top right of your screen.

If you require split tunnelling then please select the IPv4 and IPv6 tabs and tick the box for “Use this connection only for resources on its network” (pic above)

[Category:FireBrick IPsec Road Warrior|Network Manager]]