Kaplan IT530 unit 3 assignment

IT 530 Unit 3 Assignment Lab

Caution! Do not install or run the Wireshark packet capture and analyzer on any workplace system without written permission, signed by your supervisor! You are strongly encouraged to only use Wireshark on personally owned equipment.

1. Go tohttp://www.wireshark.org/docs/wsug_html_chunked/ChapterIntroduction.html and carefully read the introductory tutorial.

2. Click <next> at the top or bottom of the introductory tutorial and read section 1.2, System Requirements. Check the system on which you will install Wireshark to make sure that it complies with Wireshark’s system requirements. An easy way to do this is:

a. Use Windows Explorer to navigate to “My Computer”, right click “My Computer” and click on “Properties”.

3. Click <next> and read section 1.3, Where to get Wireshark?

4. Clickhttp://www.wireshark.org/download.html to download the latest copy of Wireshark for your particular system

5. Install Wireshark; using the Windows Installer is usually the easiest method and will also install the required “pcap” library for you.

6. Go tohttp://www.wireshark.org/docs/wsug_html_chunked/ChUseStartSection.htmland study the use of the Wireshark interface.

7. Click <next> and note how each of the Wireshark menu items function. Pay special attention to the Capture and Analyze menu items.

8. Start Wireshark, and go tohttp://www.wireshark.org/docs/wsug_html_chunked/ChapterCapture.html

a. Following the steps given by the Wireshark capture tutorial, start the capture. In a web browser, go tohttp://gaia.cs.umass.edu/wireshark-labs/INTRO-wireshark-file1.html You should see a brief congratulatory message on the web page.

b. Stop the capture.

9. Now you’re ready to analyze the packets in your capture. Go tohttp://www.wireshark.org/docs/wsug_html_chunked/ChapterWork.html#ChWorkViewPacketsSection

a. Examine the top pane (the pane with colors for each packet) of the Wireshark interface, note down three different protocols that were in use during the capture.

b. At the top of the Wireshark interface, there’s a Filter box. In the box, type “http” without the quotes to filter the packets for http traffic.

c. Find the HTTP GET packet that was sent from your computer to the web server shown in step 8a. Click once on the HTTP GET packet to select it.

d. In the pane just below the top packet pane, you should see the full contents of the HTTP GET packet. Further information can be seen by clicking the small plus sign to the left of each line of information about the packet.

e. Remember that the HTTP GET packet originated from your web browser; this means that the “source” IP for the HTTP GET packet is your computer.

f. The “destination” IP should be the system given in the link shown in step 8a.

Deliverables for this lab:

1. A screenshot of the Wireshark interface displaying the HTTP GET packet.

2. The three protocols that were noted down in step 9a.

3. The IP address of your computer, as determined from the “source” address in the HTTP GET packet.

4. The IP address of the destination web server, as determined from the “destination” address in the HTTP GET packet.

5. A brief (two or three paragraphs) analysis of the traffic behavior as shown in the capture.

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