coaps (CoAP over DTLS) support as described in RFC 7252 section-9.1

[dgtlrift]

Is your feature request related to a problem? Please describe. coap post coaps://192.168.0.4/message

Describe the solution you'd like Initiate a DTLS exchange and transport CoAP over that secure DTLS link

Describe alternatives you've considered Tunnel CoAP over TCP-TLS link - may be intractable for mesh devices

Additional context Add any other context or screenshots about the feature request here. https://tools.ietf.org/html/rfc7252#section-9.1