Untrusted certificate dialog not showing certificate info

📱 Desktop & mobile clients 💻 Desktop
1

I’m running version 3.0 of the desktop sync client on Ubuntu 20.04. and trying to connect to a self hosted nextcloud instance of version 18.0.7 with a self signed certificate. Until a couple of month (with some previous versions of client and server) ago I was able to check the fingerprints when changing something on the client or the server certificate. After a change I was presented with a dialog with the title “Untrusted certificate” showing certificate info including the fingerprints when the desktop client started. Since a couple of month I get a useless dialog with only “Cannot connect securely to my.domain.com” and no additional info on the certificate.

Does anyony have a similar issue or has a fix for that?

Simply reinstalling the client didn’t change anything.
Sorry for not being able to be precise on the version which was working for me.

2

I’m having the same issue. I’m running the latest version of desktop sync client 3.3.3 on Fedora 34. I’m trying to connect to a self hosted Nextcloud instance of version 21.0.4.1 with a signed certificate by my CA. CA is imported into the trusted CA store. I double checked my server certificate, tested in VM, but the issue occurs only on my system, but dunno why (it is fresh installation). Re-installation the system again is the last option. I have tried everything and I’m constantly getting “Cannot connect securely…” and no additional info on the certificate. Even if I confirm the certificate, the message shows again. Re-installing the client and cleaning a config and cache didn’t help.