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I've created an Azure function. Getting the components such as Azure Core Tools has been a battle due to the proxy / firewall policies. When debugging locally a basic example for instance Azures default HTTP Trigger unaltered the Virtual Environment spins up and the command func host start runs. At this point it finds Python, runs a pip install, then errors out.

It looks like a Proxy issue, but that's been opened up, has anyone had any experience with the below error when locally debugging an Azure Function?

System.Net.Http: The SSL connection could not be established, see inner exception. System.Net.Sockets: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.. An existing connection was forcibly closed by the remote host. Value cannot be null. (Parameter 'provider')

Edit: After having no hope I had a look in Internet Options and changed to "Use SSL 3.0". Now the error doesn't come up, instead I get the following;

System.IO.Compression: End of Central Directory record could not be found. Value cannot be null. (Parameter 'provider')

Thanks, Dan

Dan
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  • Hello @Dan, provide us the code you're working! If it the default Azure Function Code, working from our end! –  May 09 '22 at 09:46
  • Thanks, Our IT team have managed to fix this by changing Proxy settings. It was the default code. – Dan May 20 '22 at 15:03

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Thanks @Dan for solving the issue,

Our IT team have managed to fix this by changing Proxy settings.

When using the Company's System/VPN, we may face some issues while accessing the APIs in internet from browser or Code Editors, etc.

As You're using the Azure Functions in VS Code, I found few helpful documents to understand the issues better: