Right, so I upgraded to Java 1.7.95 and specified ‑Djdk.tls.client.protocols="TLSv1.1,TLSv1.2" located in the SPLUNK_HOME/apps/dbx/local/java.conf.
My full java.conf is below.
[java]
home = /usr/java/latest/
options = -Xmx1G -Dfile.encoding=UTF-8 -server -Duser.language=en -Duser.region= -Dhttps.protocols=TLSv1.2 -Djdk.tls.client.protocols="TLSv1.1,TLSv1.2"
Logging settings
[logging]
level = DEBUG
file = dbx.log
console = false
logger.com.splunk.dbx = DEBUG
... View more