My project is to use the phone to receive the data from the Bluetooth device and then send it to iot central. But sas expire after a few hours, is there any way to get long-term authorization?

Question

reference of get sas https://learn.microsoft.com/en-us/answers/questions/1304256/how-to-use-postman-to-test-send-data-to-iot-centra

I've checked the documents, but --du seems limited in 3600, I want a long-period sas.

az iot hub generate-sas-token [--auth-type {key, login}]
                              [--connection-string]
                              [--device-id]
                              [--du]
                              [--hub-name]
                              [--key-type {primary, secondary}]
                              [--login]
                              [--module-id]
                              [--pn]
                              [--resource-group]

Answer 1

Feiling Pan Greetings!

Looks like you are referring to this page az iot hub generate-sas-token

Please note that generating a SAS token with a longer duration can increase the security risk. So you should only do this if it is necessary for your scenario.

The default value is 3600 seconds. You can set the token expiration as desired.

For ex:

az iot hub generate-sas-token -n myIoTHub -d myDevice --du 630720

Also, check Control access to IoT Hub using Shared Access Signatures for more details.

Hope this helps. Do let us know if you have any further queries.

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