SC-07(05) Deny by Default — Allow by Exception

Deny network communications traffic by default and allow network communications traffic by exception sc-07.05_odp.01.

Parameter ID Definition

Selection (one-or-more):

  • at managed interfaces
  • for {{ insert: param
  • sc-07.05_odp.02 }}
sc-07.05_odp.02 systems



Denying by default and allowing by exception applies to inbound and outbound network communications traffic. A deny-all, permit-by-exception network communications traffic policy ensures that only those system connections that are essential and approved are allowed. Deny by default, allow by exception also applies to a system that is connected to an external system.