[TYPO3-ect] 4.1.0: Request parameters could not be validated

[Steffen Kamper]

"Elmar HInz" <elmar.hinz at team.MINUS.red.DOT.net> schrieb im Newsbeitrag 
news:mailman.1.1173009546.6786.typo3-team-extension-coordination at lists.netfielders.de...
> Hi,
>
> I just tested lib/div with 4.1.0. When sending a request I get an error
> message:
>
> Reason: Request parameters could not be validated (&cHash empty)
>
> It seems there is now an additional check in for parameter validation. So
> currently lib/div will not run with 4.1.0. A will have a look how this can
> be fixed. I don't know if this behaviour is a real improvement and gives
> more security. Did we had a security hole in the past?
>
> I fear some extensions will break. The handling of lib/div link object
> will probably become more difficult and switching between caching and non
> caching (USER/USER_INT) for the same extension could also become more
> difficult.  I hoped they would simplify tslib_pibase so that it would
> become more simple for extension programmers to build proper caching
> extensios. It seems the opposite happens.
>
> Elmar
>
>
>

Hi Elmar,

this is a point i didn't understood at all.
I fixed it in my installation by changing the default value in
t3lib/config_default.php
setting
'pageNotFoundOnCHashError' => 0,

But i don't see the point what we can do to prevent this error.

vg  Steffen