Forum Discussion
TLS handshake failure between IoT product and AWS
Hello, I am a software developer building an IoT water treatment product that is currently in soft release. (https://dropconnect.com) The core of the system is a WiFi-enabled hub that commun...
Just adding an update for closure on this thread...
In the end, the problem was corruption of the TLS handshake caused by a default buffer size in Microchip's TCP/IP library being too small. I haven't completely studied the cause yet, but it appears that traffic received via a HughesNet link uses a larger than typical MTU setting or something along those lines. Simply resizing that buffer made the problem disappear.
Patrick
Hi Patrick,
I'm glad you found the community, thank you for posting. Wow, I admire your dedication to finding a solution. Let me send this over to our engineers for their input. I'll post back once I hear anything.
