Does modem TLS support fragmentation to allow HTTPS requests greater than 2K secure socket buffer limit?

[Anthony Ambuehl]

When I asked earlier, it was not possible to send HTTPS payloads greater than 2K due to the TLS secure socket buffer size limit.  I see in the most recent modem firmware release the size limit is still the same. 

It seems that this wouldn't be a problem if TLS fragmentation was supported and the modem negotiated a reduced TLS fragment size. 

Has TLS fragmentation with a negotiated size been investigated?  

Is it possible to send an HTTPS POST request with a payload greater than 2KB?

Is it possible to receive an HTTPS POST response with a payload greater than 2KB?

Is it possible to have TLS fragmentation working with the Native TLS approach?

Here are some related tickets that remain unresolved after many months:

https://devzone.nordicsemi.com/f/nordic-q-a/74251/nrf9160-serial-interface-with-https-support-for-large-post

https://devzone.nordicsemi.com/f/nordic-q-a/77351/problem-with-nrf-connect-sdk-http_client_req-function

[Albrecht Markus Schellenberger]

Hello Anthony,

Since I do not have that much insight information on content-range, I need to check this with our development team. I will come back to you as soon as possible.

Regards,

Markus