Networking Wireshark Lab Homework Print From The Wireshark File Command Menu

Document Type
Homework Help
Book Title
Computer Networking: A Top-Down Approach 6th Edition
Authors
James F. Kurose, Keith W. Ross
Wireshark Lab:
Getting Started
SOLUTION
Supplement to Computer Networking: A Top-Down
Approach, 6th ed., J.F. Kurose and K.W. Ross
Q1. List the 3 different protocols that appear in the protocol column in the unfiltered
packet-listing window in step 7 above.
Q2. How long did it take from when the HTTP GET message was sent until the HTT OK reply
was received? (By default, the value of the Time column in the packet listing window is the
amount of time, in seconds, since Wireshark tracing began. To display the Time field in time-of-
day format, select the Wireshark View pull down menu, then select Time Display Format, then
select Time-of-day.)
Answer: As shown in the screen shot below (you didn’t have to provide this), the GET was sent
Q3. What is the Internet address of the gaia.cs.umass.edu (also known as wwwnet.
cs.umass.edu)? What is the Internet address of your computer?
Q4. Print the HTTP GET and REPLY messages displayed in step 9 above. To do so, select Print
from the Wireshark File command menu, and select the“Selected Packet Only”
and “Print as displayed” radial buttons, and then click OK.
HTTP GET message:
No. Time Source Destination Protocol Length Info
74 11.300694 128.119.245.145 128.119.245.12 HTTP 489 GET /wireshark-labs/IN
Frame 74: 489 bytes on wire (3912 bits), 489 bytes captured (3912 bits)
128.119.245.12 (128.119.245.
Transmission Control Protocol, Src Port: 49930 (49930), Dst Port: http (80),
Seq: 1, Ack: 1, Len: 435
Hypertext Transfer Protocol
HTTP REPLY message:
No. Time Source Destination Protocol Length Info
76 11.301658 128.119.245.12 128.119.245.145 HTTP 434 HTTP/1.1 200 OK (text
Frame 76: 434 bytes on wire (3472 bits), 434 bytes captured (3472 bits)
128.119.245.145 (128.119.245.1
HTTP/1.1 200 OK\r\n
Date: Mon, 26 Sep 2011 19:52:01 GMT\r\n
Server: Apache/2.2.3 (CentOS)\r\n

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