https://devzone.nordicsemi.com/f/nordic-q-a/29982/how-can-able-to-connect-my-device-to-only-one-device-using-whitlelisti want to connect my nrf51822 device to only one phone for secure,now its able to connect all the phone so its not secure, i think its possible using whitelist so anybody pls explain how to use whitelist with one sample code.en-USTelligent Community 13Wed, 31 Jan 2018 07:47:22 GMThttps://devzone.nordicsemi.com/thread/119207?ContentTypeID=1Wed, 31 Jan 2018 07:47:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3c40647c-8dcf-4ee2-8605-973b1b352477NIDHIN K<p>Now my device can able to connect all the phone so its not secure, so i want to connect my device to my phone only or may be one more phone.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/119206?ContentTypeID=1Tue, 30 Jan 2018 14:33:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6f505fde-5dcf-4131-95f5-cd8fac3a0837Petter Myhre<p>This has been asked many many times before in here. Have you tried searching? What kind of security do you want? A whitelist only filters out packets from unknown peers, peers can still mimic the address and get through the filter. Security it achieved with authentication and encryption.</p><div style="clear:both;"></div>