SDK 15.3 - Whitelisting does not filter out scan requests

[JeanMBoones]

Hello, We noticed that when we enable the whitelist, we can successfully filter out connection requests, but not scan requests.  Our device still responds to every scan request out there, not just the scan requests from devices in the whitelist.  I found that ble_advertising.c sets the filter policy to BLE_GAP_ADV_FP_FILTER_CONNREQ instead of BLE_GAP_ADV_FP_FILTER_BOTH.  Is there anyway to get scan requests filtered out without changing the library code?  Why does the library code ignore what the user sets as the filter policy?

[Vidar Berg]

Hello,

Unfortunately, it looks like we have made the assumption here that one would only want to use the BLE_GAP_ADV_FP_FILTER_CONNREQ filter policy, so the module will override the filter setting if it has a different value. I do not see a way to work around it without touching the module itself. I will report this as a bug internally.

[JeanMBoones]

Thanks, we will update the assignment.