How many is too many post parameters?

We've had a few applications fail with the new postParametersLimit in CHF4
(the included Security Hotfix APSB12-06,
http://helpx.adobe.com/coldfusion/kb/coldfusion-security-hotfix.html )

Even increasing postParametersLimit from 100 to 200 isn't enough -- one
application uses 1006 post parameters ( !! )


So given that this is a denial of service attack prevention, how risky is
it letting 1100 post parameters go through with every request? I'm figuring
a real DoS attack would have a lot more than 1100 parameters, but setting
post parameters for 11 times the security update value sounds like poor
practice.

thank you,
Chris


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