Possible null reference argument for parameter 'transport' in 'DuplexPipeStreamAdapter<SslStream> HttpsConnectionMiddleware.CreateSslDuplexPipe(Stream transport, MemoryPool<byte> memoryPool)'.

'SslStream.KeyExchangeStrength' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'SslStream.KeyExchangeAlgorithm' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'SslStream.HashStrength' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'SslStream.HashAlgorithm' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'SslStream.CipherStrength' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'SslStream.CipherAlgorithm' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'ExchangeAlgorithmType' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)

'HashAlgorithmType' is obsolete: 'KeyExchangeAlgorithm, KeyExchangeStrength, CipherAlgorithm, CipherStrength, HashAlgorithm and HashStrength properties of SslStream are obsolete. Use NegotiatedCipherSuite instead.' (https://aka.ms/dotnet-warnings/SYSLIB0058)