Software Security ( This question needs Wireshark ) Find a DNS Response packet.

Question

Software Security

(This question needs Wireshark) Find a DNS Response packet. Be sure that the DNS response packet provides an IP address answer to an earlier DNS Query before answering this question, answer the following questions after running the Wireshark capture file c12.pcap. To answer this question, install Wireshark (https://www.wireshark.org/download.html)

Attachment Download (Download Button At Top Right of Webpage): https://www.dropbox.com/s/irbewpv09a7saf7/c12.pcap?dl=0

a. What is the packet number of this DNS response packet?

b. What UDP source and destination port numbers appear in this response packet?

c. What domain name does this packet provide an answer about?

d. What IP address is provided as an answer?

e. What is the packet number of the corresponding DNS query?

f. What UDP source and destination port numbers appear in the query packet?

Explanation / Answer

a. packet no is Frame 12

b.source - 53, destination - 3742

c.dns1.stthomas.edu

d. 140.209.122.230

e. Frame 11

f. source: 3742, destination ; 53

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