Visual Studio Code - Local Debugging - SSL - Connection Forcibly Closed By Remote Host

Question

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

Hello @Dan, provide us the code you're working! If it the default Azure Function Code, working from our end! — anon
– anon, Commented May 9, 2022 at 9:46
Thanks, Our IT team have managed to fix this by changing Proxy settings. It was the default code. — Dan
– Dan, Commented May 20, 2022 at 15:03

anon · Accepted Answer · 2022-05-20 15:56:40Z

0

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:

answered May 20, 2022 at 15:56

anon

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