DIRE DAWA UNIVERSITY.

DIRE DAWA UNIVERSITY
INSTITUTE OF TECHNOLOGY
SCHOOL OF COMPUTING
DEPARTMENT OF COMPUTER SCINCE
GROUP ASSIGNMENT OF COMPUTER SECURITY
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1) List the different protocols that appear in the protocol column in the unfiltered
packet listing window in the Wireshark Interface.
Answer
According to above screenshot, for this webpage downloading process, at first,
the TCP (transport layer) connection was established between the client and
the server. Finally, the HTTP (application layer) connection was established
based on the TCP connection which established in step 1.
Thus, the 3 different protocols could be MDNS, TCP and HTTP.
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2) How long did it take from when the HTTP GET message was sent until the
HTTP OK reply was received for the webpage you visited in your web
browser?
Answer
According to above screenshot, the GET request was arrived at Aug 11, 2021
11:25:03.011482000 Pacific Daylight Time.
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