Front End to Search Engines: 

Result of Illegal Request

Fix:

Tools, Internet Options, Advanced

Deselect "Show  friendly  HTTP error messages"

Not a real fix    doesn t help unsuspecting users of your 

pages

57

Servlets

www.corewebprogramming.com

Generating the Server Response: 

HTTP Response Headers

Purposes

Give forwarding location

Specify cookies 

Supply the page modification date 

Instruct the browser to reload the page after a designated 

interval 

Give the document size so that persistent HTTP 

connections can be used

Designate the type of document being generated

Etc.

58

Servlets

www.corewebprogramming.com

29