TLS issues with HL78xx

[jerdung]

Hi @hkiol,

Can you provide the answer for my question in your old ticket:

TCP/SSL connection failure (HL7802)

Hi @hkiol, Following HL78xx AT Command Reference, your module can work for ECDHE-RSA-AES128-GCM-SHA256 with your +KSSLCRYPTO command. So I think there are not any issue about setting Cipher Suite configuration on your module. I saw you mentioned “IPV6 this time”. So have you ever make TCP/SSL connection with your domain “-xx-ats.iot.us-west-2.amazonaws.com” through IPv4 successfully before? If no, can you try this case through IPv4? Besides that, based on +KTCP_NOTIF: 1,13 displaying after st…

These information will help us find the reason of your issue.

Thanks,