ktp is not able to connect to jabber server which require PFS, e.g. jabber.ccc.de https://twitter.com/jabbercccde/status/623052278828822528 Reproducible: Always Steps to Reproduce: 1. Try to connect to jabber.ccc.de Actual Results: Connection fails
This has nothing to to with PFS. The service got disconnected since a day. https://twitter.com/jabbercccde/status/648871207962562560 https://twitter.com/jabbercccde/status/648871246411747328 Please wait some time to see if jabber.ccc.de will come backe again or not. Noone knows...
New server is up and running, so try yourself ...
jabber.ccc.de works just fine with Pidgin but not with KTP, please try yourself ...
Can you please try connecting with Empathy and post the results?
I did some testing on Fedora 23. * Empathy successfully connects to jabber.ccc.de. (Side note: It constantly complains that the CAcert certificate is untrusted - even after I ticked the checkbox "Remember this choice for future connections".) * KDE Telepathy always fails to connect: "There was a network error, check your connection". There is no warning concerning the certificate. I'm relatively sure that the issue has nothing to do with forward secrecy. I have a secondary XMPP account on another server that deploys PFS, and KDE Telepathy has no problems connecting to that account. Maybe it's an issue with the untrusted server certificate?
Yes, seems to be an issue with CACert certificate.
Changing it to confirmed.