UC15 HTTPS error 716

Technical Subjects Software Internet Protocol
1

Dear Master,
I just tried UC15 with https connection, but I got error 716 ?
Please inform me what I have to do. My UC15 firmware is UC15EQCR11A02E1G.
thanks

2

Hi Yoyo:
716 means HTTP socket connect error.
You can give me the detail ATlogs.

3

Here is the details logs:
18/10/2021 12.34.05.123 [TX] - AT+QHTTPCFG=“contextid”,1

18/10/2021 12.34.05.423 [RX] -
OK

18/10/2021 12.34.08.950 [TX] - AT+QIACT?

18/10/2021 12.34.09.101 [RX] -
OK

18/10/2021 12.34.11.269 [TX] - AT+QICSGP=1,1,“m2mInternet”,"","",1

18/10/2021 12.34.11.484 [RX] -
OK

18/10/2021 12.34.13.717 [TX] - AT+QIACT=1

18/10/2021 12.34.15.993 [RX] -
OK

18/10/2021 12.34.17.573 [TX] - AT+QIACT?

18/10/2021 12.34.17.737 [RX] -
+QIACT: 1,1,1,“10.64.162.169”

OK

18/10/2021 12.34.20.265 [TX] - AT+QHTTPCFG=“sslctxid”,1

18/10/2021 12.34.20.440 [RX] -
OK

18/10/2021 12.34.23.603 [TX] - AT+QSSLCFG=“sslversion”,1,1

18/10/2021 12.34.23.782 [RX] -
OK

18/10/2021 12.34.26.191 [TX] - AT+QSSLCFG=“ciphersuite”,1,0x002F

18/10/2021 12.34.26.373 [RX] -
OK

18/10/2021 12.34.28.811 [TX] - AT+QSSLCFG=“seclevel”,1,0

18/10/2021 12.34.28.980 [RX] -
OK

18/10/2021 12.34.31.020 [TX] - AT+QHTTPURL=33,80

18/10/2021 12.34.31.187 [RX] -
CONNECT

18/10/2021 12.34.33.361 [TX] - https://www.howsmyssl.com/a/check
18/10/2021 12.34.33.538 [RX] -
OK

18/10/2021 12.34.35.751 [TX] - AT+QHTTPGET=80

18/10/2021 12.34.35.936 [RX] -
OK

+QHTTPGET: 716

18/10/2021 12.34.44.739 [TX] - AT+QIDEACT=1

18/10/2021 12.34.45.740 [RX] -
OK

4

Please set AT+QSSLCFG=“ciphersuite”,1,0xFFFF and then try again.

5

I just tried, with the same result: +QHTTPGET: 716, here is the logs:

19/10/2021 15.21.56.530 [TX] - AT+QHTTPCFG=“contextid”,1

19/10/2021 15.21.56.706 [RX] -
OK

19/10/2021 15.21.58.919 [TX] - AT+QIACT?

19/10/2021 15.21.59.072 [RX] -
OK

19/10/2021 15.22.00.335 [TX] - AT+QICSGP=1,1,“m2minternet”,"","",1

19/10/2021 15.22.00.544 [RX] -
OK

19/10/2021 15.22.02.562 [TX] - AT+QIACT=1

19/10/2021 15.22.04.845 [RX] -
OK

19/10/2021 15.22.06.528 [TX] - AT+QIACT?

19/10/2021 15.22.06.685 [RX] -
+QIACT: 1,1,1,“10.64.246.203”

OK

19/10/2021 15.22.07.821 [TX] - AT+QHTTPCFG=“sslctxid”,1

19/10/2021 15.22.07.996 [RX] -
OK

19/10/2021 15.22.09.159 [TX] - AT+QSSLCFG=“sslversion”,1,1

19/10/2021 15.22.09.340 [RX] -
OK

19/10/2021 15.22.11.028 [TX] - AT+QSSLCFG=“ciphersuite”,1,0xFFFF

19/10/2021 15.22.11.211 [RX] -
OK

19/10/2021 15.22.12.692 [TX] - AT+QSSLCFG=“seclevel”,1,0

19/10/2021 15.22.12.874 [RX] -
OK

19/10/2021 15.22.14.514 [TX] - AT+QHTTPURL=33,80

19/10/2021 15.22.14.681 [RX] -
CONNECT

19/10/2021 15.22.16.412 [TX] - https://www.howsmyssl.com/a/check
19/10/2021 15.22.16.600 [RX] -
OK

19/10/2021 15.22.18.432 [TX] - AT+QHTTPGET=80

19/10/2021 15.22.18.663 [RX] -
OK

+QHTTPGET: 716

19/10/2021 15.22.34.947 [TX] - AT+QIDEACT=1

19/10/2021 15.22.35.999 [RX] -
OK

6

Please confirm which ciphersuites your server supports.I think it’s the ciphersuites issue.

7

TLS 1.2, ECDHE_ECDSA with X25519, and CHACHA20_POLY1305.

8

Your module does not support this ciphersuites.You can use AT+QSSLCFG=? to check.