Question 270
At the Fairhaven transport management provider, after a change to its security policy, a rule permits traffic between two valid hosts but uses Any service although only an application port is needed. Which continuing control would best reduce recurrence?
Explanation
Correct Answer
Keep service fields as narrow as functional requirements allow. This is the continuing safeguard relevant to service field restriction at the Fairhaven transport management provider; it keeps controls aligned as the environment changes.
Incorrect Answers
That control is useful when managing first-match rule order. At the Fairhaven transport management provider, the continuing priority is to keep service fields as narrow as functional requirements allow, because a correct pair of endpoints does not justify allowing every protocol and destination port.
That control is useful when managing publish versus install. At the Fairhaven transport management provider, the continuing priority is to keep service fields as narrow as functional requirements allow, because a correct pair of endpoints does not justify allowing every protocol and destination port.
That control is useful when managing rulebase verification. At the Fairhaven transport management provider, the continuing priority is to keep service fields as narrow as functional requirements allow, because a correct pair of endpoints does not justify allowing every protocol and destination port.