fe01ae5688e5529e

// import tls "github.com/refraction-networking/utls"
tcpConn, err := net.Dial("tcp", "tlsfingerprint.io:443")
if err != nil {
	fmt.Printf("net.Dial() failed: %+v\n", err)
	return
}

config := tls.Config{ServerName: "tlsfingerprint.io"}
// This fingerprint includes feature(s), not fully supported by TLS.
// uTLS client with this fingerprint will only be able to to talk to servers,
// that also do not support those features. 
tlsConn := tls.UClient(tcpConn, &tlsConfig, tls.HelloCustom)
clientHelloSpec := tls.ClientHelloSpec {
	CipherSuites: []uint16{
		0x83fb,
		0xc88c,
		0x9d26,
		0xd839,
		0xde2a,
		0x8eef,
		0xfef4,
		0xee55,
		0x9a3d,
		0x7497,
		0x94f9,
		0x69a0,
		0xfb4f,
		0x983f,
		0x6104,
		0x4bf8,
		0x6e0b,
		0x9545,
		0x7ec6,
		0x5d59,
		0xe8e5,
	},
	CompressionMethods: []byte{
		0x00, // compressionNone
	},
	Extensions: []tls.TLSExtension{
code generation error: short curves	},
}
tlsConn.ApplyPreset(&clientHelloSpec)
        
n, err = tlsConn.Write([]byte("Hello, World!"))
// or tlsConn.Handshake() for better control