For social integrations, several domains have to be added to the whitelist so users can log in to their choosen social site.
NOTE: You have to be sure that you add these in the correct format. You check out this article to check what format is needed on different hardware / firmwares.
Domains For Facebook:
For iOS guests using the CNA browser, in some countries you may need to add also:
Domains For Twitter:
Domains For Instagram:
This host have to be added also for Twitter: