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Hi,We are in a strange situation where we need to implement the HTTP Tunnel over BSD sockets (can not use URLSession and other fancy APIs), in this case the proxy is configured with the NTLM authentication. We could get the HTTP Tunnel (using CONNECT) working with Basic auth by adding the correct Authorization header in the response. But NTLM would need some more complexity. Is there any easier way to use the TCP Sockets for this NTLM HTTP Tunnel in iOS?In worst case, we might need to write this auth logic ourselves but any other recommendations to take this further?Thanks.