'Tcp header' diaporamas de présentation

Network Security

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746 views • 54 slides

Transport Protocols

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Transport Protocols

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COS 561: Advanced Computer Networks

COS 561: Advanced Computer Networks. Jennifer Rexford Fall 2010 (TTh 1:30-2:50 in COS 302) http://www.cs.princeton.edu/courses/archive/fall10/cos561/. The Internet: An Exciting Time. One of the most influential inventions A research experiment that escaped from the lab

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FireWalls

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Large file transfers using TCP

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COEN 252 Computer Forensics

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Packet Capture

Packet Capture. Sniffer, tcpdump, Ethereal, ntop. What is Packet Capture?. Real time collection of data as it travels over networks Tools called: packet sniffers packet analysers protocol analysers, and sometimes even traffic monitors. When Packet Capture?. Most powerful technique

830 views • 32 slides

Network Protocols: Design and Analysis

Network Protocols: Design and Analysis. Polly Huang EE NTU http://cc.ee.ntu.edu.tw/~phuang phuang@cc.ee.ntu.edu.tw. TCP Overview. Connection establishment: Connectionless communication: Congestion avoidance: Differentiated services: Duplicate packet detection: Flow control: .

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CS 268: Lecture 3 (TCP/IP Architecture)

CS 268: Lecture 3 (TCP/IP Architecture). Ion Stoica January 28, 2003. The Problem. Before Internet: different packet-switching networks (e.g., ARPANET, ARPA packet radio) only nodes on the same network could communicate. Declared Goal.

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The Transport Layer

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Ns Simulation Final presentation

Ns Simulation Final presentation. Stella Pantofel 304026354 Igor Berman 313879942 Michael Halperin 317321982. Simulation of TCP Reno vs. TCP SACK over the network containing congested satellite or usual link, Using: Explicit Congestion Notification(ECN) and Random Early Detection(RED).

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Review of Important Networking Concepts

Review of Important Networking Concepts. Introductory material. This module uses the example from the previous module to review important networking concepts: protocol architecture, protocol layers, encapsulation, demultiplexing, network abstractions. Sending a packet from Argon to Neon.

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Configuring a Router with RIP

Configuring a Router with RIP. Basic Configuration and Show Commands. TCP Header. Source Port: 16 bits; Destination Port: 16 bits . The source port number. The destination port number. . Sequence Number: 32 bits .

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February 2005

A Virtual-Machine Approach to Creating Complex NPU Applications in the Blink of an Eye. February 2005. Empowering Network Processors. Very-high-level packet processing language Virtual machine abstracting NPU details Built-in functionality for deep packet processing.

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Authentication

Authentication. CS 772 Fall 2007. Overview of Authentication Methods. Process of reliably verifying the identity of someone (or something) Password-based authentication---eavesdropping is a problem Not scalable. Password-based authentication. Off-vs. On-line Password Guessing

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Network-Based Intrusion Detection

FORE SEC Academy Security Essentials (III). Network-Based Intrusion Detection. Need for Network-based Intrusion Detection. Most attacks come from the Internet Detecting these attacks allows a site to tune defenses If we correlate data from a large number of sources we increase our

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Investigating Serial Attached SCSI (SAS) over TCP ( eSAS ) and benchmarking eSAS prototype against legacy SAS

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