Would encryption still be applied on communication with devices using self-signed certificates if you ignore the warning and proceed without installing the certificate? Would you need to install it to ensure encryption or will it by default encrypt when the user ignores the warning and proceeds?
I understand that the integrity part or validating the server or device by a CA is not applied but just wanted to know if the encryption part would be applied if we ignore the browser warning and proceed.
If installing is required, In an environment where you log in only from an internal network to an internal-only asset through https etc. let's say an internal portal, would it be recommended to add that self signed certificate to the trusted list so that the encryption would be applied and MiTM attacks wouldn't be able to see the credentials sent over. In a pure internal-only production setup (assuming a CA is not set up yet) what would be the best practices with self-signed certificates.