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Firewalls
Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to describe a barrier that separates a portion of a building dealing with fire, like a stove or a kitchen, from the rest of the structure. Later firewall found its use in connection with steam engines. It was described as a wall which separates an engine fire from passenger cars. Firewall ideas were greatly matured when Jeff Mogul from Digital Equipment Corporation published his papers in 1988 . His work described various processes that could be used to make networks secure. It was Marcus Ranum of AT&T Bell Laboratories who proposed the design of firewall and its components. He also coined the term "Firewall" for this quickly maturing technology. His work got much attention in 1990 and firewalls gained commercial popularity
When programming a server or a client, we have to deal with port numbers and IP addresses, but we usually do this through an abstraction called a socket. Sockets are the standard A
Name the basic components of the router?
When a P is returned when a Trace is run, it means the Protocol is unreachable.
What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be
Describe IP datagram fragmentation and MTU
Introduction: This is a specialized protocol designed for CS5244. It provides a distributed means to access a BasicEnrollmentManager implementation through client-server communica
Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n
What are the disimialr tables in OSPF?
Hello there i have an assignment in Data communication and networks. I have done most of the assignment but i am stuck in one part which is designing a network in a university cam
This new model of Client/Server having of thin, portable, "universal" clients those talks to super fat servers. In the easiest form, a web server returns documents when clients ask
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