Blocking custom file extension is not working

Pieter Goris Pieter.Goris at
Fri Feb 5 09:56:23 UTC 2016

.()bat are just bat files that you have to rename so I want them blocked.
How long can the extension be, can I use a wildcard after the ()?

.dll are being blocked from any source but 1,

Pieter Goris

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