Vulnerability Check of Logjam Attack

 Run command "openssl s_client -connect ${SERVER}:${PORT} -cipher "EDH" | grep "Server Temp Key"" found in following article

https://security.stackexchange.com/questions/89773/how-to-check-if-a-server-is-not-vulnerable-to-logjam

(Note that openssl version used for testing needs to be 1.0.2 or above)

The key needs to be at least 2048 to be ok.