On Sun, Jun 19, 2016 at 9:47 AM, Test ssl <testossl2016 at gmail.com> wrote: > Hi Matt, > > This is a DTLSv1.0 connection, so the hosts on both sides will connect to > each other acting as both TLS client and TLS server. > > We think the dtls failure is due to cipher suites. But we are not able to > understand why it works for 1.0.1m with same certificate. > > Please help us. I don't mean to speak out of turn, but you are not giving Matt too much to work with. Perhaps you could put together a minimum sample program which demonstrates the problem? Or maybe give him s_server and s_client commands to duplicate it? Jeff