|   | 1 |  initial version  | 
You could have added a link to this freely available lab for us not to google for it.
The lab is pretty straightforward, I was able to reproduce all the steps wit no problems.

have you got a reply from the server:
Congratulations. You've downloaded the file http://gaia.cs.umass.edu/wireshark-labs/HTTP-wireshark-file1.html!
in your browser?
If yes, check whether you have correct interface selected before hitting Capture button.
|   | 2 |  No.2 Revision  | 
You could have added a link to this freely available lab for us not to google for it.
The lab is pretty straightforward, I was able to reproduce all the steps wit with no problems. 

have you got a reply from the server:
Congratulations. You've downloaded the file http://gaia.cs.umass.edu/wireshark-labs/HTTP-wireshark-file1.html!
in your browser?
If yes, check whether you have correct interface selected before hitting Capture button.
|   | 3 |  No.3 Revision  | 
You could have added a link to this freely available lab for us not to google for it.
The lab is pretty straightforward, I was able to reproduce all the steps with no problems.

have you got a reply from the server:
Congratulations. You've downloaded the file http://gaia.cs.umass.edu/wireshark-labs/HTTP-wireshark-file1.html!
in your browser?
If yes, check whether you have correct interface selected before hitting Capture button.