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Clamav / Clamxav Blocks Download

scanner blocks file download

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#1 bodomalo



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Posted 08 December 2015 - 07:34 PM


My customers do have a problem with the ClamAV or ClamXAV (interface) software.

It seems that this scanner is blocking the download to PDF files my customers by from my plattform.

Whenever they open the download link (a simple http URL with the PDF files stored there) they get a message

"An error encountered while downloading this file"

I am neither a virus scanner programmer nor do I have access to that scanner. 

Is this a known issue with ClamAV (that it blocks downloadable content)? 

Is there any whitelist?

Or are there any rules that can be set in ClamAV, 

Is anyone having problems opening this Download? An klicking on the PDF file 

(this download is only available for a few more hours, then the token/transactionID is invalid)





#2 bodomalo



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Posted 08 December 2015 - 07:35 PM

Thanks for any help


#3 ritchie58


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Posted 08 December 2015 - 07:52 PM

Hi bodomalo, Although Immunet does use the ClamAV detection engine this is not an official support site for ClamAV. I would suggest you view ClamAV's troubleshooting FAQ section or contact the ClamAV support team directly about this problem (there is a Contact link in the upper left hand side of the documentation page). Here is a link to their documentation page. http://www.clamav.ne...stalling-clamav

ClamAV does have the ability to scan PDF files so it is rather odd that you're getting a quarantine response. Perhaps the AV is detecting the PDF file within the URL as suspicious. Just a guess of course.


Out of curiosity I did try the link you provided and had no problems accessing the PDF file. That's with the ClamAV module enabled with my copy of Immunet. No quarantine response. I have a Firefox browser add-on that can unpack PDF files from a URL so maybe that has something to do with me being able to view the file.


Best wishes, Ritchie...

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