a) How is an application-layer gateway (ALG) different from a firewall?
Application layer.
Application Layer 7
1)Application 2)Services
Application Layer
a gateway can translate information between different networks data formats or network architecture. most gateways operate at the application layer. it can also be operated on network or session layer. by: talha jamal and farhan moin (kinpoe)
application layer
Network layer or layer 3
The Seven layers of the OSI model are: Application Presentation Session Transport Network Data-Link Physical I think the answer to your question is the Application layer.
application layer
Application layer is the topmost layer. Application layer is used to access the underling network services using defined procedures. Application layer interacts with software applications that implements a communicating component. Functions:- Identifying communication partners. . Determining resource availability. Synchronizing communication
London Gateway services was created in 1969.