Deny/ban peers within specific CIDRs to prevent TURN server users from
accessing machines reachable by the TURN server but not from the
internet, useful when the server is behind a NAT.
By default denies local addresses.
Screego already secures the turn connections via credentials that are
generated on demand. The strict auth can cause problems when screego is
deployed via docker or some other container deployment.
Jannis Mattheis