Reddit r/Sysadmin user that claims to be on the "Recovery Team" for this ongoing issue: > As many of you know, DNS for FB services has been affected and this is likely a symptom of the actual issue, and that's that BGP peering with Facebook peering routers has gone down, very likely due to a configuration change that went into effect shortly before the outages happened (started roughly 1540 UTC). There are people now…
> the people with physical access is separate from the people with knowledge of [...] Welcome to the brave new world of troubleshooting. This will seriously bite us one day.
"The information systems office did not enforce logical access to the system in accordance with role-based access policies."
Invariably, you want your best people to have full access to all systems.