NAS Portal don't work

[Tasmana]

After adding new FreeNAS instances, the connection through the NAS Portal works, but the old ones (which are more than 2 months old) give an error in the screenshot.
Someone faced this problem and can you know how to solve it?

 

[sretalla]

Under advanced, you should have an option to trust the certificate and continue.

It's due to FreeNAS using a self-signed certificate that browsers don't trust anymore.

 

[Tasmana]

Under advanced, you should have an option to trust the certificate and continue.

It's due to FreeNAS using a self-signed certificate that browsers don't trust anymore.

As you can see from the screenshot, I don't have such a button. (