Afaik it depends on the java version you run openfire with.
Java 7 supports TLS1.2 and Java 8 uses it as default. If you use Java 6 TLS 1.2 is not supported.
You could check the supported TLS version of your openfire installation at the xmpp.net.
Afaik it depends on the java version you run openfire with.
Java 7 supports TLS1.2 and Java 8 uses it as default. If you use Java 6 TLS 1.2 is not supported.
You could check the supported TLS version of your openfire installation at the xmpp.net.