DIRE DAWA UNIVERSITY INSTITUTE OF TECHNOLOGY SCHOOL OF COMPUTING DEPARTMENT OF COMPUTER SCINCE GROUP ASSIGNMENT OF COMPUTER SECURITY 1
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. 2
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. 3
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