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COIT20262 - Advanced Network Security | Wireshark

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Central Queensland University

   

Advanced Network Security (COIT20262)

   

Added on  2020-03-04

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The below document discusses the various concepts related to  Advanced Network Security. The topics which have been discussed in this report are "Analysis of Protocols with Wireshark" and  Cryptographic Operations with OpenSSL. Title: Advanced Network Security (part 2)

COIT20262 - Advanced Network Security | Wireshark

   

Central Queensland University

   

Advanced Network Security (COIT20262)

   Added on 2020-03-04

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Question 1. Analysis of Protocols with Wireshark [12 marks] Objective: Gain a good understanding of common Internet protocols as well as using packet capture software (Wireshark) For this question you must use virtnet (as used in the workshops) to study Internet applications with Wireshark. This assumes you have already setup and are familiar with virtnet. See Moodle and workshop instructions for information on setting up and using virtnet, deploying the website, and performing the attack. Your task is to:  Create topology 5 in virtnet where: o node1 will be referred to as the client o node2 will be the router o node3 will be the server Start capturing packets using tcpdump on the router (node2)  While capturing, perform the following operations in order: 1. Start netcat TCP server using assigned port on the server (node3) 2. Start netcat TCP client on the client (node1) 3. On the client (node1) type: COIT20262 TCP<press ENTER> My ID is <type in your actual student ID><press ENTER> <Ctrl-D> 4. Start netcat UDP server using assigned port on the server (node3) 5. Start netcat UDP client on the client (node1) 6. On the client (node1) type: COIT20262 UDP<press ENTER> My name is <type in your actual name><press ENTER> <Ctrl-C>  Stop the capture and save the file as netcat.pcap Server port numbers must be assigned based on the last three (3) digits of your student ID, xyz, as defined below. Examples are given for a student ID of s1234567.  For netcat TCP server use port 8xyz. Example port: 8567  For netcat UDP server use port 9xyz. Example port: 9567 After performing and understanding the above steps, answer the following sub-questions(a)Submit your capture file as netcat.pcap on Moodle. The single file must contain all packets of both the TCP and UDP exchange using your assigned ports and using your ID and name. [4 marks] Answer : File Uploaded(b) Draw a message sequence diagram that illustrates all the TCP and UDP packets generated by using netcat (do not draw any packets generated by other applications or protocols, such as ARP, DNS or SSH). A message sequence diagram uses vertical lines to represent events that happen at a
COIT20262 - Advanced Network Security | Wireshark_1

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