Applicable

(Y)es / (N)o

(C)onfidentiality

(I)ntegrity

(A)vailability

RPN

(C+I+A)

(S)atisfactory

L1

M2

H3

L1

M2

H3

L1

M2

H3

(O)ther than satisfactory +##

sc-7(5)

boundary protection  | deny by default / allow by exception

assessment objective:

Determine if the information system, at managed interfaces:

sc-7(5)[1]

denies network traffic by default; and

sc-7(5)[2]

allows network traffic by exception.

potential assessment methods and objects:

Examine: [select from: System and communications protection policy; procedures addressing boundary protection; information system design documentation; information system configuration settings and associated documentation; information system audit records; other relevant documents or records].

Interview: [select from: System/network administrators; organizational personnel with information security responsibilities; system developer; organizational personnel with boundary protection responsibilities].

Test: [select from: Automated mechanisms implementing traffic management at managed interfaces].