Install Fortinet Forticlient VPN on Deepin 23.1 (For SSL cert is self-signed cert)

1. echo -n | openssl s_client -showcerts -connect registry.example.com:port 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > xxca.crt

Replace the "registry.example.com:port"  to your SSL VPN gateway URL and port.

2. Go to the file "xxca.crt", use a editor like "notepadqq" to open the file

3. Copy all the text in the xxca.crt

4. sudo vi /usr/local/share/ca-certificates/xxca.crt

5. Paste all text into this file and :wq (To save those text)

6. sudo update-ca-certificates

7. Reboot your machine

8. Then you can use the Forticlient to connect your VPN gateway. 

Reference:

https://blog.keepchen.com/a/configure-forticlient-vpn-on-deepin-25.html

Install Fortinet Forticlient VPN on Deepin 23.1 (For SSL cert is self-signed cert)