XMPP Handshake Failing

[Michael McConville]

On Tue, Jul 14, 2015 at 03:34:08PM -0400, J Kephart wrote:
> I think that might be it.  I just tried logging onto their service
> from a Windoze machine running Firefox and got this:  "SSL received a
> weak ephemeral Diffie-Hellman key in Server Key Exchange handshake
> message."  I'm guessing that's the issue, although Pidgin will run and
> connect fine from that same system.

It's because the server is only offering weak TLS ciphers. Whether
Pidgin accepts them depends on what version of Pidgin you're using and
what TLS library Pidgin is using.

So, you need to make sure that your server software is up-to-date and
configure it to only support strong ciphers.