"Marco" <dont_send{spam}[mps]@this.address[webmind.nl].please.com> wrote
in news:4202727f$0$26225$18b6e80@news.wanadoo.nl:

> Hi,
>
> Suppose you want to make sure subitted data is comming from "your"
> form and not submitted (with tools) elsewhere.
> What do I need to prevent false/hacked/spoofed data?

Proper validation of the existance of, and values of,
variables that come from Get, Post, or Cookies.

In other words, spend your time make your validation
'bulletproof', rather than worrying about whether or
not someone may use "tools" to spoof a 'normal browser'.

--
Dave Patton
Canadian Coordinator, Degree Confluence Project
http://www.confluence.org/
My website: http://members.shaw.ca/davepatton/