CMMC v2.0_SC.L2-3.13.6

CMMC v2.0

3.13 SYSTEM AND COMMUNICATIONS PROTECTION

SC.L2-3.13.6

Deny network communications traffic by default and allow network communications traffic by exception (i.e. deny all permit by exception).

This requirement applies to inbound and outbound network communications traffic at the system boundary and at identified points within the system. A deny-all permit-by-exception network communications traffic policy ensures that only those connections which are essential and approved are allowed.

 

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