Allowing .pr3 files through

[Michael Mansour]

Hi,

I reaaly hate top posting but am using the new Yahoo mail beta and it doesn't seem I can change this to good old ">" replies.

I tried this and get:

# file wimrpmd2.pr3
wimrpmd2.pr3: MS-DOS executable (EXE), OS/2 or MS Windows

So you're right, the server considers these files executables so they match against one of these:

deny    ELF             No executables          No programs allowed
deny    executable      No executables          No programs allowed

Hmm.. this now poses the question, how can I allow .pr3 files specifically but disallow all other executables?

Michael.

----- Original Message ----
From: Res <res at ausics.net>
To: MailScanner discussion <mailscanner at lists.mailscanner.info>
Sent: Saturday, 9 December, 2006 8:25:40 AM
Subject: Re: Allowing .pr3 files through


On Fri, 8 Dec 2006, Michael Mansour wrote:

> Hi Stef,
>
> I put the rule to the top of the list and the "bad content" was still tagged on the message.
>
> I believe this is tagged from the "filetype" rules area not "filename".

It might think its an executable PR3 can be used as postsrcipt extension 
so I'm suprised it's not allowed with what you have


Filetype rules will over-ride filename everytime, filetype is based on 
system " file " where filename I don't beleive uses file in tests and just 
takes your word for it on filename, making filetype a much more sensible 
approach to be the top level guardian.

try :
file /full/path/to/file.pr3
and see what it says it thinks it is


>
> If that's the case, what sort of rule would I need to put in to allow .pr3 files?
>
> The filetype fules I have for this domain are:
>
> allow   text            -                       -
> allow   script          -                       -
> allow   archive         -                       -
> allow   postscript      -                       -
> deny    self-extract    No self-extracting archives     No self-extracting archives allowed
> deny    ELF             No executables          No programs allowed
> deny    executable      No executables          No programs allowed
> allow   MPEG            Yes MPEG movies         MPEG movies allowed
> allow   AVI             Yes AVI movies          AVI movies allowed
> allow   MNG             Yes MNG/PNG movies      MNG movies allowed
> allow   Quicktime       Yes Quicktime movies    Quicktime movies allowed
> allow   ASF             Yes Windows media       Windows media files allowed
> allow   BMP             Yes BMP files           BMP graphics files allowed
> deny    Registry        No Windows Registry entries     No Windows Registry files allowed
>
> Thanks.
>
> Michael.
>
> Michael Mansour wrote:
>> I have their setup as:
>>
>> /etc/MailScanner/example.com.filename.rules.conf
>> allow \.pr3$ - -
>>
>> at the end of the file, but that does not seem to work.
>
> As far as I know, the rules file is parsed in order and stops when a
> match is found.
>
> Thefore, try putting it at the beginning instead, so that it matches for
> .pr3 and allows it before matching the general disallow rules for
> executables.
>
> Regards
>
> Stef
> Stefan Morrell | Operations Director
> Tel: 0845 3452820 | Alpha Omega Computers Ltd
> Fax: 0845 3452830 | Incorporating Level 5 Internet
> stef at aoc-uk.com | stef at l5net.net
>

-- 
Cheers
Res

"Just a world that we all must share, it's not enough just to stand and
stare, is it only a dream that there'll be no more turning away" - Floyd


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