>Would you consider changing this functionality to consider the other files in a compressed file, or at least giving us the option between:
This is not possible, because ASSP_AFC does not know anything about office files. Office files are ZIP files and processed like them. So a part of an Office file will match at zip-level 1. If the Office file is in a ZIP the match will be at zip-level 2. >but the remaining files in the compressed file (or the other parts of the PDF) will be analyzed and can separately trigger stripping of the containing zip (or the PDF). All other files in an Office file (ZIP) are remaining fles. If you use the hash of a signature file to detect the 'good' exception, the (or any) project file would be a remaining file (and possibly blocked). ASSP_AFC handles both cases - "found a bad file" and "found a well known good file" - as an exception. In the first case it stops processing the attachment and blocks, in the second case it stops processing and delivers. Both without analysing any other (still not processed) part of this attachment The check for "a well known good file" is done first for all files in a complete uncompressed tree, before (for example) the executable detection is done for any part of the ZIP. There is only one way to be sure a "a well known good file" definition can't be (easy) frauded. Restrict the zip-level for parts of office files to 1 and for PDF to 0 - and tell the vendors to not zip attachments. If you fear, a verdors PC can possibly be hijacked and abused to infect attachments without lossing an agreed signature - don't use this feature. Thomas DISCLAIMER: ******************************************************* This email and any files transmitted with it may be confidential, legally privileged and protected in law and are intended solely for the use of the individual to whom it is addressed. This email was multiple times scanned for viruses. There should be no known virus in this email! *******************************************************
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