MS Office 2007 File Problems

Andrew Bruce abruce at hope-st.ath.cx
Wed Jun 10 22:15:53 IST 2009


Hi,

I'm having some trouble with Office 2007 files not being allowed through
MailScanner.

I've got these (applicable) rules in my filename.rules.conf:



# docx
allow \.docx$        -  -
allow \.xml[0-9]\.rel$     -  -

# Allow repeated file extension, e.g. blah.zip.zip
allow (\.[a-z0-9]{3})\1$   -  -

# Deny all other double file extensions. This catches any hidden filenames.
deny  \.[a-z][a-z0-9]{2,3}\s*\.[a-z0-9]{3}$  Found possible filename hiding
Attempt to hide real filename extension



Yet am still seeing results like this:
Report: MailScanner: Attempt to hide real filename extension
(document.xml.rel)
MailScanner: Attempt to hide real filename extension (settings.xml.rel)
Report: MailScanner: Attempt to hide real filename extension
(document.xml1.rel)
MailScanner: Attempt to hide real filename extension (settings.xml1.rel)
Report: MailScanner: Attempt to hide real filename extension
(document.xml1.rel)
Report: MailScanner: Attempt to hide real filename extension
(document.xml.rel)
Report: MailScanner: Attempt to hide real filename extension
(settings.xml.rel)
Report: MailScanner: Attempt to hide real filename extension
(settings.xml1.rel)


I'm running MailScanner version 4.61.7 (yes, I will be upgrading this when
I can afford the server downtime).

Any idea why this would be?


Thanks,

Andrew


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