nsatp.blogg.se - Wireshark http lab solutions

What is the sequence number of the TCP SYN segment that is used to initiate the TCP connection between the client computer and gaia.cs.? What is it in the segment that identifies the segment as a SYN segment? What is the IP address and TCP port number used by your client computer (source) to transfer the file to gaia.cs.? What is the IP address of gaia.cs.? On what port number is it sending and receiving TCP segments for this connection? What is the IP address and TCP port number used by the client computer (source) that is transferring the file to gaia.cs.? To answer this question, it’s probably easiest to select an HTTP message and explore the details of the TCP packet used to carry this HTTP message, using the “details of the selected packet header window” (refer to Figure 2 in the “Getting Started with Wireshark” Lab if you’re uncertain about the Wireshark windows. Your Wireshark window should look similar to the window shown below. Once the file has been uploaded, a short congratulations message will be displayed in your browser window.

Returning to your browser, press the “Upload alice.txt file” button to upload the file to the gaia.cs. server.

Now start up Wireshark and begin packet capture (Capture->Start) and then press OK on the Wireshark Packet Capture Options screen (we’ll not need to select any options here).

Don’t yet press the “Upload alice.txt file” button.

Use the Browse button in this form to enter the name of the file (full path name) on your computer containing Alice in Wonderland (or do so manually).

You should see a screen that looks like:.

Store this file somewhere on your computer.

Go the labs/alice.txt and retrieve an ASCII copy of Alice in Wonderland. 1.Capturing a bulk TCP transfer from your computer to a remote server