download an app and answer some questions

1. Do the following:

• Download Wireshark.

• Start Wireshark.

• Turn on Wireshark capture.

• Type a URL in your browser

window (not Wikipedia.org).

• After a few seconds, stop the capture.

• Answer the following questions:

1a. What URL did you use? What

was the IP address of the web

server?

1b. Find the frame in which your

PC sent the SYN packet. List the

source and destination IP ad

dress, the source and destination

port numbers, and the header

checksum.

1c. Select the SYN/ACK packet. List

the source and destination IP ad

dress, the source and destination

port numbers, and the header

checksum.

1d. Select the packet that acknowl

edges the SYN/ACK segment.

List the source and destination

IP address, the source and des

tination port numbers, and the

header checksum.

2. Change the options so that only packets

you send are recorded. Do a capture.

Click on the window containing Wire

shark and hit Alt-Enter. This captures

the window to your clipboard. Paste it

into your homework