To enable Web Intelligence trace logging for Sophos Anti-Virus for Mac download the script attached below, extract it, ensure it is seen as an executable script, and run it as a super user from Terminal. Then re-create the issue and after that complete the script. A compressed output file will be saved to your desktop.
Commands to run:
chmod 775 webprot6.sh
./webprot6.sh
For more guidance watch/listen to the video below.