.NET WebSockets forcibly closed despite keep-alive and activity on the connection

Question

We have written a simple WebSocket client using System.Net.WebSockets. The KeepAliveInterval on the ClientWebSocket is set to 30 seconds.

The connection is opened su

Answer 1

I set the KeepAliveInterval for the socket to 0 like this:

theSocket.Options.KeepAliveInterval = TimeSpan.Zero;

That eliminated the problem of the websocket shutting down when the timeout was reached. But then again, it also probably turns off the send of ping messages altogether.