Re: [exim] Deny MIME attachments in the acl_smtp_mime ACL

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Szerző: Sebastian Kayser
Dátum:  
Címzett: exim-users
Tárgy: Re: [exim] Deny MIME attachments in the acl_smtp_mime ACL
* Sebastian Kayser <mls+exim-users@???> wrote:
> I am currently trying to block MIME attachments based on their filename.
>
>     deny    set acl_m3 = ${lookup {$mime_filename} nwildlsearch \
>                             {/etc/exim4/list-filenames-reject}}
>             condition = ${if def:acl_m3}
>             message = This message containes a blacklisted attachment filename
>             log_message = DENY: reject_filename ($mime_filename)

>
>     warn    log_message = DEBUG: acl_check_mime done for \"$mime_filename\" \
>                             (lookup = $acl_m3)
>             condition = ${if def:mime_filename}

>
> Content of /etc/exim4/list-filenames-reject (without leading spaces):
>
>     ^Update-.+-x86\.zip

>
> For an attachment named Update-abc-x86.zip the debug message is written
> to the log but the deny condition isn't met.
>
> Warning: DEBUG: acl_check_mime done for "Update-abc-x86.zip" (lookup = )
>
> What am i missing?


Got it. The list was missing a key *doh*.

    ^Update-.+-x86\.zip "W32/Tricky-Malware-based Win32/Stration"


Sebastian