Use your browser to connect to www.rexswain
.com/httpview.html. You will see the screen in
Figure 2.17.
2. In box labeled URL, type any URL you like and
click Submit. You will then see something like the
screen in Figure 2.18. In the middle of the screen,
under the label “Sending Request:” you will see the
exact HTTP packet that your browser generated.
3. If you scroll this screen down, you’ll see the exact
HTTP response packet that the server sent back to
you. In Figure 2.19, you’ll see the response from
the Indiana University Web server. You’ll notice
FIGURE 2.17 The HTTP Viewer
that at the time we did this, Indiana University
was using the Apache Web server.
4. Try this on several sites around the Web to see
what Web server they use. For example, Microsoft
uses the Microsoft IIS Web server, while Cisco
uses Apache. Some companies set their Web
servers not to release this information.
Deliverables
Do a print screen from two separate Web sites that shows
your HTTP requests and the servers’ HTTP responses.