Page 266 - DCAP408_WEB_PROGRAMMING

Web Programming

Notes  The Order Form could be on several screens, with each screen adding information to the
cookie.

 The disadvantages of using cookies for this application are:
 If a user has an old browser that doesn’t support cookies, this application will not work.
 In some browsers a user can turn on a warning every time an application attempts
to write a cookie. If the user accepts the cookie, everything works fine.

Self Assessment

Fill in the blanks:
8. Cookies are a general mechanism which server side connections (such as CGI scripts) can
use to both store and retrieve information on the ………………. of the connection.

9. A……………….., when returning an HTTP object to a client, may also send a piece of state
information which the client will store.
10. Any future HTTP requests made by the client which fall in that range will include a
transmittal of the current value of the ………………. from the client back to the server.
11. If a cookie contains a collection of multiple values, we say that the cookie has ……………….
12. If your application deals with ………………… that do not support cookies, you will have
to use other methods to pass information from one page to another in your application.
13. Some people consider the use of this information harmless, but some find the gathering of
information in this manner invasive to their ……………….

14. A cookie is introduced to the client by including a …………………… header as part of an
HTTP response.
15. ………………… cannot be used to get data or view data off your hard drive.



Caselet Test Your Network
T he focus of this week’s pick of software is on tools for network testing. The programs
featured here are mostly shareware, except where indicated.

Webserver Stress Tool
Webserver Stress Tool is an easy-to-use, versatile load and stress test for Web servers.
It simulates any number of simultaneous users accessing a Web server and helps to
streamline your Web application. Any Web page can be tested. It optionally handles
proxies, passwords, user agents, cookies and ASP-session IDs.
Filesize: 2969 KB
Platform: Windows (All)
Download location: www.paessler.com
TracePlus32 Web Detective
TracePlus32 Web Detective is an HTTP trace/analysis tool specifically designed for Web
development. It decodes HTTP, DASL, or WebDAV protocol and displays it in an easy-to-
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