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Network Security

Network Security

Network Security. Problem. Computer networks are typically a shared resource used by many applications representing different interests. The Internet is particularly widely shared, being used by competing businesses, mutually antagonistic governments, and opportunistic criminals.

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923 views • 80 slides
Chapter 7: Network security

Chapter 7: Network security

Foundations: what is security? cryptography authentication message integrity key distribution and certification Security in practice: application layer: secure e-mail transport layer: SSL network layer: IP security Link layer: 802.11 security. Chapter 7: Network security.

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746 views • 50 slides
Network Security

Network Security

Network Security. Foundations: what is security? cryptography authentication message integrity key distribution and certification Security in practice: application layer: secure e-mail transport layer: Internet commerce, SSL, SET network layer: IP security. Contents.

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598 views • 44 slides
15-441 Computer Networking

15-441 Computer Networking

15-441 Computer Networking. Network Security: Cryptography, Authentication, Integrity. Foundations: what is security? cryptography authentication message integrity key distribution and certification Security in practice: application layer: secure e-mail

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501 views • 41 slides
Upper OSI Layers

Upper OSI Layers

Upper OSI Layers. Natawut Nupairoj, Ph.D. Department of Computer Engineering Chulalongkorn University. Outline. Session Layer. Presentation Layer. Application Layer. Overview. Communication Session. Session Layer. Coordinate connection and disconnection between applications Dialog.

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542 views • 38 slides
Upper OSI Layers

Upper OSI Layers

Upper OSI Layers. Natawut Nupairoj, Ph.D. Department of Computer Engineering Chulalongkorn University. Outline. Session Layer. Presentation Layer. Application Layer. Overview. Communication Session. Session Layer. Coordinate connection and disconnection between applications Dialog.

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389 views • 38 slides
Network Security Basics

Network Security Basics

Network Security Basics. Foundations: what is security? cryptography authentication message integrity key distribution and certification Security in practice: application layer: secure e-mail transport layer: Internet commerce, SSL, SET network layer: IP security. Network Security.

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867 views • 27 slides
Network Security

Network Security

Network Security. Hwajung Lee. What is Computer Networks?. A collection of autonomous computers interconnected by a single technology Interconnected via: Copper wire Fiber optics Microwaves Infrared Communication satellites, etc. Backbone Network.

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248 views • 17 slides

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