Question regarding Filename Rules

Julian Field MailScanner at
Wed Apr 20 08:09:15 IST 2005

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Denis Beauchemin wrote:

> Rob Poe wrote:
>> I guess the thing about it is this:
>> If we're blocking executable files, then how would that rule help?
>> I'm not being argumentative .. Just curious..
> Rob,
> I run with that rule turned off because it caused too much trouble BUT
> I block all executables (pif, bat, exe, ...).  Turns out I was never
> caught off guard, even with slow antivirus updates.

The other important thing to remember is that the "executable" block in
filetype.conf will help you a lot here too, for when they evade your
filename traps with a bit of social engineering (e.g. _exe instead of .exe).

Julian Field
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