64fea2ec4813e09d

// 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{
		0x8c5f,
		0x03b7,
		0xc7aa,
		0xfef4,
		0x97ae,
		0xedc7,
		0x538f,
		0x1441,
		0x2f71,
		0xad9b,
		0x34a7,
		0x062e,
		0x4c35,
		0xb665,
		0x0742,
		0xb13a,
		0xb196,
		0xbfc3,
	},
	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