windows 10 not connection error

[panda-big]

Describe the bug

A clear and concise description of what the bug is.
windows 10 not connection error
https://github.com/aws-samples/aws-iot-core-dotnet-app-mqtt-over-websockets-sigv4

Which project is your bug related to?

• Client
  2.8.5
• ManagedClient
• MQTTnet.Server standalone
• Server
  AWS MQTT sigv4
• Generic

To Reproduce

Steps to reproduce the behavior:

1. Using this version of MQTTnet '...'.
   2.8.5
2. Run this code '....'.
   https://github.com/aws-samples/aws-iot-core-dotnet-app-mqtt-over-websockets-sigv4
3. With these arguments '....'.
4. See error.
   Unable to connect to remote server

Expected behavior

A clear and concise description of what you expected to happen.

Screenshots

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Additional context / logging

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Include debugging or logging information here:

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Code example

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https://github.com/aws-samples/aws-iot-core-dotnet-app-mqtt-over-websockets-sigv4

[chkr1011]

Please try with latest version and reopen this ticket if this issue still exists.