If your openvpn version is 2.4.7 then you may face this error. The result is you will not be able to connect to the tryhackme server.
How to fix:
- First edit the *.ovpn configuration file. Say your file name is Avi.ovpn
- At the number 14th line you will see that data-ciphers AES-256-CBC is written.
- You need to change this with the following.
Now try to connect with the tryhackme server again using the following command:
You should successfully connect now. Check with ifconfig to get the vpn tunnel ip.
For windows, you just need to re-browse the newly edited .ovpn configuration file. Then it will connect.