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  • Case ID: 276820
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secure http issue, works first time, data corruption after first time...

Anthony Ambuehl

I"m using SLM from NCS 1.6.1.  

I'm testing HTTPCREQ with HTTPC port 443 and security tag = 1.   After I reset SLM, my send is successful and passes server validation checks.  If I repeat the procedure sending the exact same data, the server is detecting a validation failure indicating something in the data has changed.  The only way to get a successful server validation is by reseting SLM.  I suspect there is some state that is not complete reset by XHTTPCCON=0 in the TLS implementation.   When I test the same with non-secure HTTP (port 80) to postman-echo my payloads are identical.  

Is there any equivalent to postman-echo with an https variant? 

Any idea why it breaks after the first successful attempt?

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  • 0 in reply to Charlie

    Hello Charlie,

    I updated modem firmware to 1.3.0 just last week while I was update NCS SDK to 1.6.1.

    I tried to capture the modem trace but the generated bin files don't appear to have much of interest.  I'll attach one for reference.   I did confirm with breakpoints that the calls to nrf_modem_os_trace_put were occurring.   My DK has the VDD_IO switched to 3V, perhaps that causes some problems?

    trace-2021-09-21T18-56-24.844Z.bin

    Fullscreen 2021-09-21T18_19_00.340Z-log.txt Download 
    2021-09-21T18:19:01.369Z INFO Application data folder: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector
2021-09-21T18:19:01.506Z DEBUG App pc-nrfconnect-tracecollector v1.0.8 official
2021-09-21T18:19:01.506Z DEBUG App path: C:\Users\antho\.nrfconnect-apps\node_modules\pc-nrfconnect-tracecollector
2021-09-21T18:19:01.506Z DEBUG nRFConnect 3.7.1, required by the app is (^3.0.0)
2021-09-21T18:19:01.506Z DEBUG nRFConnect path: C:\Users\antho\AppData\Local\Programs\nrfconnect\resources\app.asar
2021-09-21T18:19:01.506Z DEBUG HomeDir: C:\Users\antho
2021-09-21T18:19:01.506Z DEBUG TmpDir: C:\Users\antho\AppData\Local\Temp
2021-09-21T18:19:01.522Z VERBOSE Could not fetch serial number for serial port at COM3
2021-09-21T18:19:18.242Z INFO Device opened
2021-09-21T18:19:35.013Z INFO Tracefile created: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector\trace-2021-09-21T18-19-35.007Z.bin
2021-09-21T18:22:32.757Z INFO Device opened
2021-09-21T18:22:34.375Z INFO Tracefile closed
2021-09-21T18:22:51.512Z INFO Device closed
2021-09-21T18:23:44.277Z INFO Device opened
2021-09-21T18:23:49.004Z INFO Tracefile created: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector\trace-2021-09-21T18-23-49.002Z.bin
2021-09-21T18:24:50.973Z INFO Tracefile closed
2021-09-21T18:25:02.054Z INFO Generating system report...
2021-09-21T18:25:08.780Z INFO System report: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector\nrfconnect-system-report-2021-09-21T18-25-02.054Z.txt
2021-09-21T18:42:28.840Z INFO Device closed
2021-09-21T18:42:28.842Z INFO Device opened
2021-09-21T18:42:30.375Z INFO Tracefile created: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector\trace-2021-09-21T18-42-30.374Z.bin
2021-09-21T18:45:51.259Z INFO Tracefile closed
2021-09-21T18:56:07.878Z INFO Device closed
2021-09-21T18:56:07.881Z INFO Device opened
2021-09-21T18:56:24.845Z INFO Tracefile created: C:\Users\antho\AppData\Roaming\nrfconnect\pc-nrfconnect-tracecollector\trace-2021-09-21T18-56-24.844Z.bin
2021-09-21T18:59:45.684Z INFO Tracefile closed
    Fullscreen nrfconnect-system-report-2021-09-21T18-25-02.054Z.txt Download 
    # nRFConnect System Report - 2021-09-21T18-25-02.054Z

- System:     LENOVO 20HHCTO1WW
- BIOS:       LENOVO LENOVO - 1550
- CPU:        1 x Intel® Xeon® E3-1535M v6 3.1 GHz 8 cores (4 physical)
- Memory:     12.1 GB free of 31.8 GB total
- Filesystem: C: (NTFS) 237.1 GB 88.8% used

- OS:         Microsoft Windows 10 Pro for Workstations (10.0.19043) win32 ia32

- Versions
    - kernel: 10.0.19043
    - git: 2.31.1.windows.1
    - node: 12.13.0
    - python: 2.7.17
    - python3: 3.9.7

- Connected devices:
    - COM5: 000960049301 PCA10090
    - COM4: 000683148200 PCA10056

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