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Placing blocked files inside zip file

tom11011
Hi Group,

I noticed when I place a file with a blocked file extension inside a zip file, it seems to circumvent the sophos email filtering.  

Is this normal or a bug?

For example, if I try and email someone behind the sophos a file with a .scr suffix, it will get blocked, but if I put that same file into a zip file it goes right through.

This leads me to a follow up quesiton, if the scr file was actually a virus, would it have been caught inside the zip file?


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  • 0
    Hi together,

    first: sorry for grabbing out the old post.
    We do receive e-mails, containing archived (zip or 7z) scr files. The latest 9.3 version is installed at the utm. 

    Which settings have to be done to get true-file-type-detection working in archives.

    Thanks in advance.

    Christian
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  • 0
    Hi together,

    first: sorry for grabbing out the old post.
    We do receive e-mails, containing archived (zip or 7z) scr files. The latest 9.3 version is installed at the utm. 

    Which settings have to be done to get true-file-type-detection working in archives.

    Thanks in advance.

    Christian
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