Validate whether its a human submitting a form and not a DOS :-0

How do you ensure that whoever is submitting a form is doing it and its not some DOS attack?

I was hoping there was an easy way to genera开发者_StackOverflowte some kind of image or squiggle that the user has to enter prior to submitting a web form

Technology Stack MVC with C#

http://en.wikipedia.org/wiki/Capcha

Try using Capcha possibly?

I'm assuming you mean that you want to check that it's not a bot (rather than DOS which is something else). For that, take a look at reCAPTCHA.

here is a short tutorial on generating a capcha. a search on google reveals many more.