Whitelisting file types

Julian Field MailScanner at ecs.soton.ac.uk
Wed Dec 14 18:53:25 GMT 2005


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Denis Beauchemin wrote:

> Julian Field wrote:
>
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>> I have had a suggestion for a new feature, for the filename and 
>> filetype.rules.conf controls.
>> A simple ruleset (normal one) that lists regexps for filenames to be 
>> allowed, and one for filenames to be banned.
>> Both of these would be read (in allowed then denied order) before the 
>> filename.rules.conf file, together with a possibly ruleset 
>> controlling it.
>> The same would be done for filetype.rules.conf as well.
>>
>> So you would have a
>> Allowed Filenames = %rules-dir%/allowed.filenames.rules
>> Denied Filenames = %rules-dir%/denied.filenames.rules
>> and the same for Filetypes.
>>
>> This should be fairly easy to implement and will make most 
>> configuration of this feature an enormous amount easier.
>>
>> What do people think?
>>
>>  
>>
>
> Julian,
>
> I don't think I would use it (I'm happy with filename.rules.conf as it 
> is now), but I don't mind as long as it doesn't confuse people.  
> Wouldn't this make people wonder about where to put allow/deny rules?

It would just be in addition to what there is now. It would make it a 
lot easier to configure (partic via web interface) as there would be 
straightforward rulesets to configure allowed+denied filenames and 
filetypes. It's basically for that market. The existing stuff would be 
parsed as it is now.

- -- 
Julian Field
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