Disabling Cipher Suites Diffie-Hellman

Hi All,

I've received a bad bad grade over on SSL Labs for my view security server (5.3.1), most notable is "This server supports insecure Diffie-Hellman (DH) key exchange parameters (LogJam)"

I've searched high and low for a way to change this, and keep getting stuck on instructions describing things that don't exist on my server (i.e. Jre/security.properties) and this being an inherited system, it's hard to tell if the instructions are wrong or my server is more broken than I thought.

Any help or places to look would be greatly appreciated.