SSL v3 is unusable! Upgrade Domino or Terminate TLS in front of Domino to take advantage of TLS 1.0 or higher. 19-12-2014
Because of the POODLE-vulnerability found in SSL version 3, you have to upgrade your Domino server and optionally reimport the SSL-certificate. The only alternative is to place a reverse proxy server in front of Domino, and terminate SSL (actually TLS) on this host instead of Domino.