SSL read error: Success when DTLS is on

[Nikos Mavrogiannopoulos]

On Wed, 2017-03-29 at 16:52 +0800, Siyuan Ren wrote:
> The server shows a useless log message
> 
> > disconnect user '166F57A07AAF' (909) from
> > 2402:f000:5:7a01:510c:779b:671a:a363 with IP 10.44.3.212 (reason:
> > unspecified error, time:     1s)
> 
> Any recommendation on what tools I could use to debug the connection?

One is use wireshark and check the TLS session from the "outside", and
another is increase verbosity on both the server and the client. On the
server you can do that with '-d', and go gradually from 4 to 9 until
something interesting pops up.

regards,
Nikos