Summary
IWSVA blocks download of compressed huge file. The following error appears in the http.log file in verbose logging mode:
2014/03/07 13:16:59 GMT+01:00 <debug><22:18148:18190> Virusname=Compressed_Huge_File ret=-76
Details
This issue happens when the archive file size is within the scan engine limit of 2048MB, but exceeds it when decompressed.
To resolve the issue, modify the IWSVA scan configuration:
- On the IWSVA, go to /etc/iscan and open the intscan.ini file.
- Go to the [Scan-configuration] section.
- Insert the following line:
extract_too_big=ignore
- Restart the IWSVA.