CSF not working with new panel, any other way to improve security?

Since CSF is down in the new Ubuntu and cyber panel is there any other way to fill the security gap created by it? Not paid ones.

The latest update re-enables CSF.
Update Cyberpanel

I am on Cyberpanel v2.3.7 and Ubuntu 22.04. There’s no fix. Reinstalling it makes the Cyberpanel inaccessible.

Reinstall, If you get 500 error, try the following: