const github.com/refraction-networking/utls/dicttls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

one use

	github.com/refraction-networking/utls/dicttls (current package)
		cipher_suites.go#L213: 	TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256        uint16 = 0xC02F