Answer to Question #244435 in Computer Networks for Ahsan wains

Question

HTTP

Open the “tcp_packet_capture” file and select the HTTP get message from the trace with Sequence Number: 3559289491. Hint: To limit yourself to http packets, enter the string http in the filter field and then apply the filter. To get the actual sequence number instead of the relative sequence number, right click go to protocol preferences and make sure the relative sequence numbers option is not selected.

a. What is the IP address of the machine that generated the HTTP request? [1]

b. What is the IP address of the server that will handle this request? [1]

c. Does the client request a persistent connection? [1]

d. How do you know? [1]

e. What operating system was this request sent from? [1]  

Answer 1

As here tcp packet information is not attached so i am taking it random website and accessing it and capturing the data by the wire-shark.

a) From the given packet, we can see the highlighted terms are representing the port number and IP address of source and destination.

Source Address: 192.168.43.174

Transmission control protocol (IP address generated by the mechine) (source port : 50075)

Destination port: 80

b)

The IP address of the server, which will handle is 54.192.166.142

c)

The HTTP reuses the idea of the using a single TCP connection to send and receive multiple TCP request and response.

d)

From the above diagram we can identify.

e)

We will enter the "bootparams" command in the command prompt, then it will return the operating system.