In stateful firewall or NAT rules, what are two functions performed by an application-layer gateway?

In stateful firewall or NAT rules, what are two functions performed by an application-layer gateway? (Choose two.)

In stateful firewall or NAT rules, what are two functions performed by an application-layer gateway? (Choose two.)

A.
Allows the router to perform NAT properly for an application.

B.
Allows the router to properly accept traffic for an application when using a stateful firewall without NAT.

C.
Allows the router to authenticate user credentials to determine whether to allow traffic to an application server.

D.
Allows the router to act as a proxy device for an application.



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