https://devzone.nordicsemi.com/f/nordic-q-a/61040/nrf9160-dtls---certificate-authenticationThe modem firmware release notes say &gt; DTLS supports PSK authentication only and indeed I can only get PSK to work. I understand you can&#39;t give a timeline, but can you say if it is planned to implement certificate authentication (client and/or serveren-USTelligent Community 13Fri, 08 May 2020 13:39:56 GMThttps://devzone.nordicsemi.com/thread/248983?ContentTypeID=1Fri, 08 May 2020 13:39:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:42339058-0567-407c-b650-f9a5f3352f08Martin Lesund<p>Hi Gordon,<br />Please direct roadmap questions to your local Regional Sales Manager.<br />If you do not know who that is please send me a direct message on Devzone and I will send over the email.<br /><br /></p><div style="clear:both;"></div>