Thank you for the testing link. https://www.ssllabs.com/ssltest/analyze.html?d=shibboleth.nyu.edu&hideResults=on
This server supports weak Diffie-Hellman (DH) key exchange parameters. This server does not support Forward Secrecy with the reference browsers. This server supports TLS 1.0 and TLS 1.1. So, you are saying that unless the University upgrades on their end, I cannot connect from 20.04, correct? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860461 Title: libgnutls30 3.6.11.1-2ubuntu2 (Ubuntu 20.04) breaks pulseui client with error "Error performing TLS handshake: The Diffie-Hellman prime sent by the server is not acceptable (not long enough)." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1860461/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs