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Lab 4: Network Packet Capture and Analysis using Wireshark 4.1 ...

Lab 4: Network Packet Capture and Analysis using Wireshark 4.1 ...

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OSI Model<br />

TCP/IP Model<br />

Application<br />

Presentation<br />

Session<br />

Transport<br />

<strong>Network</strong><br />

Data Link<br />

Physical<br />

HTTP, FTP , SMTP<br />

TCP, UDP<br />

IP, ICMP<br />

Ethernet, ATM<br />

Application<br />

Transport<br />

Internet<br />

<strong>Network</strong><br />

Figure 9 - <strong>Network</strong> Model with Protocols<br />

4.2.11 Select the Statistics->Flow Graph menu option. Choose General Flow <strong>and</strong> <strong>Network</strong> Source<br />

options, <strong>and</strong> click the OK button. A window similar to that shown in Figure 10 should be<br />

displayed, visualising the flow of traffic. Other useful options in the Statistics menu include<br />

the Statistics->IP Addresses option which categorises all IP Addresses traffic, in the current<br />

pcap capture.<br />

Figure 10 - Traffic Flow Graph<br />

<strong>Network</strong> Security <strong>Packet</strong> <strong>Capture</strong> & <strong>Analysis</strong> –Rich Macfarlane 10

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