SV: Regarding filename.rules and blocking

Anders Andersson, IT andersan at LTKALMAR.SE
Mon Oct 14 16:28:48 IST 2002

Thanks, that was what I was hoping fore, no I only
need to figure out what kind of types we realy use  =)
and then add a full block rule


> -----Ursprungligt meddelande-----
> Från: Michael Janssen [mailto:Janssen at RZ.UNI-FRANKFURT.DE]
> Skickat: den 14 oktober 2002 17:20
> Ämne: Re: Regarding filename.rules and blocking
> On Mon, 14 Oct 2002, Anders Andersson, IT wrote:
> > What I cant figure out is if ms uses the rules like a firewall
> > and start from the top and then go down in the list or is
> > every line equal from ms view?
> it starts from top and uses the first matching rule, i.e:
> allow   \.jpg$
> deny   \.[a-z][a-z0-9]{2,3}\.[a-z0-9]{3}  (double extension)
> will let e.g. picture.vbs.jpg through. An early deny for 
> \.doc$ etc will
> stop them regardless what sophisticated patterns follows.
> cheers
> Michael

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