Using Wireshark Website Cnncom Show Screenshots Disable Three Name Resolution Features Cap Q43804617
using wireshark: and website CNN.com
show with screenshots
Disable all the three name resolution features in the Capture →Interfaces screen and run a capture. Then enable the nameresolution and capture a few packets.
What are the differences? (Look at the source anddestination areas.)
QUESTION 2: What is the IP address of your computer?
QUESTION 3: What IP addresses are given to your computer inorder to access cnn.com?
Now click on the first pack which has one of the IP addresses ofcnn.com in the destination and has HTTP as the protocol. In thesecond pane you will see five major headings. The first heading isjust information from Wireshark. It says something similar to:“Frame 459 (509 bytes on wire, 509 bytes captured)”. Ignore thisfirst line. It just tells you about where this packet was in theset of all packets that Wireshark captured.
QUESTION 4: Look at the next four headings. Ethernet Protocol?Internet Protocol? Transmission Control Protocol? HypertextTransfer protocol? Why are there four different things in this samemessage?
QUESTION 5: How are these four protocols related? Capture ascreen shot of this page and paste it in your homework. To capturea screen shot use a key at the upper right of your keyboard labeled“Print Screen/SysRq”. Then go to your word processing package andchoose “Paste”. 14. Find the HTTP protocol line FROM CNN. It may bethe first, second, or third one from CNN since they may shift youto a different server to handle your request. Open up the HypertextTransfer Protocol line in the second pane by clicking on it. Clickon the line that says Data. Look at the highlighted text in thebottom window.
QUESTION 6: What do you think that text is (hint: you can go toyour browser window and choose the menu “view” then “source” andcompare it).
QUESTION 7: How many files are downloaded by HTTP to display thehomepage that you have visited? Hint: (how many HTTP GET messagesare sent from your client to you the server)
QUESTION 8: How many TCP Connections are used by your browser todownload the webpage?
Expert Answer
Answer to using wireshark: and website CNN.com show with screenshots Disable all the three name resolution features in the Capture…
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