ec82b743173c7aac

// 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{
		0x9acd,
		0x1cde,
		0x0f53,
		0xbdaa,
		0xfef8,
		0xa178,
		0xeec2,
		0x55df,
		0xbee5,
		0xbaf1,
		0xe78f,
		0xc115,
		0x4253,
		0xcb1c,
		0x48de,
		0x15bd,
		0xce58,
		0xece4,
		0xcfca,
		0x6ec3,
		0x986b,
		0x34ed,
	},
	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