[Zope] preventing direct access to scripts

[John Doe]

How can I block direct access to scripts in a certain
directory?  Users should only be able to use a script
'through' a page template, but not directly. 
This means the page template should have something
like a proxy role. Unfortunately this doesn't seem
possible.

Probably I'm missing something very basic here, but
can somebody enlighten me?

Thx!


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