Stop blocking content inside zips
Scott Silva
ssilva at SGVWATER.COM
Fri Nov 4 22:01:08 GMT 2005
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Denis Beauchemin spake the following on 11/4/2005 11:40 AM:
> Michele Neylon :: Blacknight.ie wrote:
>
>> Brian Lewis wrote:
>>
>>
>>> We have Mailscanner setup to block .js/.htm/.exe attachments, but
>>> whats happening is when a customer has a zip file that contains any
>>> of these files, its blocked as well! How can we allow uninfected
>>> .zip thru that contain these file types yet block these types from
>>> being primarily attached to emails? Do I just have to start allowing
>>> all these file types all together?
>>>
>>>
>>
>> Have a look in MailScanner.conf
>>
>> You need to find the setting for "scan depth" in zip files. If you set
>> it to "0" zipped .exe's will be allowed through
>>
>> Sorry I can't remember the exact line but it's Friday evening :)
>>
>> Michele
>>
>>
>>
> It is quite dangerous, though, because many viruses travel inside ZIP
> files nowadays...
>
> Denis
>
But it doesn't stop the virus scanners from checking zip files, just the
filename/filetype filters. But I guess it could get a little dangerous
if something goes through before the virus scanner updates are out.
With daily updates,and 3 virus scanners, I haven't had this for a year
or more.
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