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Websocket error.. connects in 3rd attempt


We are using websocket4net (v 0.14.1) in our application. This issue of websocket error unexpectedly is happening on Windows 7 machine only and not with windows 8 or 10.

On windows 7 machine we get following websocket exception..

Web socket error: System.Security.Authentication.AuthenticationException: A call to SSPI failed, see inner exception. ---> System.ComponentModel.Win32Exception: The message received was unexpected or badly formatted^M
--- End of inner exception stack trace ---^M
at System.Net.Security.SslState.InternalEndProcessAuthentication(LazyAsyncResult lazyResult)^M
at System.Net.Security.SslState.EndProcessAuthentication(IAsyncResult result)^M
at System.Net.Security.SslStream.EndAuthenticateAsClient(IAsyncResult asyncResult)^M
at SuperSocket.ClientEngine.SslStreamTcpSession.OnAuthenticated(IAsyncResult result)^M

i have seen the wireshark traces but nothing has helped yet. Wireshark traces are attached with server ip address = and client IP address = and clients tries websocket connection at port 36008. Our application tries for a websocket connection to the server and get this exception always in first 2 attempt, then the websocket connection is established in 3rd attempt

The websocket connection connects to server port 36008 using TLS v1.2 for the connection with the server.

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abhirajgandhi wrote Oct 19, 2016 at 10:55 AM

Please provide your comments !