Error After Client StandBy

[Kevin Cernekee]

On Mon, Feb 3, 2014 at 8:55 PM,  <info at itnserver.com> wrote:
> Hello
>
> After a successful connection  to ocserv
> If the user goes to a few minutes Standby
> Then the error
>
> ocserv[4665]: [main] could not determine the owner of received UDP packet
> ocserv[4665]: [main] unexpected DTLS content type: 23
> ocserv[4665]: [main] could not determine the owner of received UDP packet
> ocserv[4665]: [main] unexpected DTLS content type: 23
> ocserv[4665]: [main] could not determine the owner of received UDP packet
> ocserv[4665]: [main] unexpected DTLS content type: 23
> ocserv[4665]: [main] could not determine the owner of received UDP packet
> ocserv[4665]: [main] unexpected DTLS content type: 23
> ocserv[4665]: [main] could not determine the owner of received UDP packet

Do you see DPD timeouts or reconnections in the client side log?

I saw a similar issue on mobile devices and have been testing this fix:

https://github.com/cernekee/openconnect/commit/395fd9fe5bc0c72966a42b451c5f37dc2c647adf

There was some debate earlier about whether re-establishing the CSTP
connection with an ASA causes the DTLS parameters to change.  I've
been meaning to run some more experiments to see what's happening.