WIndows server 2019 Error during WebSocket handshake: Incorrect ‘Sec-WebSocket-Accept’ header value

  arr, iis, server, websocket, windows

I am using Windows server 2019 with reverse proxy configured with ARR 3 and hosted my project with node.js and socket.io, I am redirecting the website www.mywebsite.com/project to internal address http://192.168.0.190:800.

When I try to access the website http://192.168.0.190:800 inside the server socket.io is working but when i try to access the website outside the network using external address i am getting the error "Error during Web-socket handshake: Incorrect ‘Sec-WebSocket-Accept’ header value"

Kindly help me to resolve the issue.

thanks

Source: Windows Questions

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