Meaning of ".asc" in BANNED messages

[Tom Hendrikx]

Hi,

A pgp signature, this message has one


Regards,
	Tom

On 08-03-16 16:58, @lbutlr wrote:
> I have a quick question, the BANNED emails so far all seem to report the following:
> 
>> No viruses were found.
>>
>> Banned name: .asc,letter.212885777.js
>> Content type: Banned
> 
> 
> The banned name always matches .asc,<something>.js (usually letter or invoice and a number).
> 
> What is “.asc” since that is not a banned attachment.
> 
> $banned_filename_re = new_RE(
> 
> ### BLOCKED ANYWHERE
>   qr'^\.(exe-ms|dll)$',                   # banned file(1) types, rudimentary
> 
> ### BLOCK THE FOLLOWING, EXCEPT WITHIN UNIX ARCHIVES:
>   [ qr'^\.(gz|bz2)$'             => 0 ],  # allow any in gzip or bzip2
>   [ qr'^\.(rpm|cpio|tar)$'       => 0 ],  # allow any in Unix-type archives
> 
> ### BLOCK THE FOLLOWING, EXCEPT WITHIN UNIX ARCHIVES:
>   [ qr'^\.(gz|bz2)$'             => 0 ],  # allow any in gzip or bzip2
>   [ qr'^\.(rpm|cpio|tar)$'       => 0 ],  # allow any in Unix-type archives
> 
> ### BLOCK THE FOLLOWING, EXCEPT WITHIN ARCHIVES:
>  [ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ],  # allow any within these archives
> 
>   qr'^application/x-msdownload$'i,        # block these MIME types
>   qr'^application/x-msdos-program$'i,
>   qr'^application/hta$'i,
> 
>   qr'^(?!cid:).*\.[^./]*[A-Za-z][^./]*\.\s*(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)[.\s]*$'i,
>   qr'.\.(ade|adp|app|bas|bat|chm|cmd|com|cpl|crt|emf|exe|fxp|grp|hlp|hta|inf|ini|ins|isp|js|jse|lib|lnk|mda|mdb|mde|mdt|mdw|mdz|msc|msi|msp|mst|ocx|ops|pcd|pif|prg|reg|scr|sct|shb|shs|sys|vb|vbe|vbs|vxd|wmf|wsc|wsf|wsh)$'ix,  # banned extensions - long 
>   qr'.\.(ani|cur|ico)$'i,                 # banned cursors and icons filename
>   qr'^\.ani$',                            # banned animated cursor file(1) type
>   qr'.\.(mim|b64|bhx|hqx|xxe|uu|uue)$'i,  # banned extension - WinZip vulnerab.
> );
> 


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