https://devzone.nordicsemi.com/f/nordic-q-a/36760/how-to-make-blacklistHi. I&#39;m using nRF52832 SDK 13.0.0 as peripheral. My device can be always connected by any central. So some centrals may continue to attempt to connect to my device. I don&#39;t want to allow it. That&#39;s why I want to make blacklist to avoid offensiveen-USTelligent Community 13Tue, 24 Jul 2018 13:00:42 GMThttps://devzone.nordicsemi.com/thread/141152?ContentTypeID=1Tue, 24 Jul 2018 13:00:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9897fb1-02f1-43ae-8925-b00a0d4edf64Martin Lesund<p>Hi Roger,</p> <p>Please check out the <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Flib_peer_manager.html&amp;cp=4_0_0_3_2_7" target="_blank" rel="noopener noreferrer">Peer Manager</a>&nbsp;library and the documentation about &quot;<a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Flib_pm_usage.html&amp;cp=4_0_0_3_2_7_2_4&amp;anchor=lib_pm_usage_whitelist" target="_blank" rel="noopener noreferrer">Using a Whitelist&quot;</a>.</p> <p>&nbsp;</p> <p>//cheers</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/141065?ContentTypeID=1Tue, 24 Jul 2018 03:13:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d9e1d7c2-f20f-4f37-9e64-64c635d3c983RK<p>No - you can only make a whitelist not a blacklist.&nbsp;</p><div style="clear:both;"></div>