Your Assignment
Setup a network sniffer (Wireshark), and then collect some protocols at work (protocols you initiate, eg: dont capture other peoples traffic). We
Pick one of the following protocols to trace: [HTTP, HTTPS, TCP, Traceroute, DHCP]
Setup a trace, then do the protocol (navigate to a web page, start and finish and Iperf session, run a traceroute, connect to wi-fi, etc)
Describe via the trace file, what packets are involved in the protocol, what each packet is doing, and what is overall being achieved.
What to Submit
A zip file (.tar.xz or .zip formats), named as -extra-credit-1.zip (or .tar.xz) (example: AliceBoberson-project2.tar.xz), to the class canvas site containing:
A pcap file of your trace collection (as -trace.pcapng)
This pcap must only contain the relevant packets (less than 32 MB in size)
A document (as -diagram.pdf)
A first paragraph/line describing what you did.
Example: I did a http request to google.com
Formatted as :
36: This packet is doing xxx, because of yyy.
(one line/paragraph per packet)
To Help with the Assignment
If you need a quiet link run a netsim like mahimahi (Links to an external site.http://mahimahi.mit.edu) and run wireshark on the sim
Recommend writing your diagramming in Google Doc
File->Download->As PDF
Filtering Packets in Wireshark (Links to an external site.https://www.wireshark.org/docs/wsug_html_chunked/ChWorkDisplayFilterSection.html)
File->Export Specified Packets->Displayed or Captured->Selected packets only
