okhttpclient

ConnectionSpec spec = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
                .tlsVersions(TlsVersion.TLS_1_2)
                .cipherSuites(
                        CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
                        CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
                        CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256)
                .build();

        OkHttpClient client = new OkHttpClient.Builder()
                .readTimeout(7000, TimeUnit.MILLISECONDS)
                .writeTimeout(7000, TimeUnit.MILLISECONDS)
//                .connectionSpecs(Collections.singletonList(spec)) // tambahan
                .build();