Range error in Webproxy (Office stream installation)
support.sophos.com/support/s/article/KB-...38878?language=en_US
Most HTTP transactions involve a user agent (e.g. a browser) requesting a complete file or a resource from a server, which the server passes back in its response.
When downloading large items, such as streaming video content or software installers, downloading an entire file at once can be inefficient, especially on a mobile device that can lose its connection if a user goes out of network range.
2019:06:06-11:14:47 utm httpproxy[25890]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.xx.xx" dstip="xx.xx.xx.xx" user="" group="" ad_domain="" statuscode="416" cached="0" profile="REF_DefaultHTTPProfile (Default Web Filter Profile)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="0" request="0x95a71c00" url="http://www.example.com/download/file.exe" referer="" error="" authtime="41" dnstime="1533" aptptime="268" cattime="149" avscantime="0" fullreqtime="33689" device="1" auth="2" ua="curl/7.59.0" exceptions="" category="9998" reputation="unverified" categoryname="Uncategorized" country="United States" content-type="text/html" reason="range"
The solution for this is to create an exception for the problematic traffic by going to Web Protection > Filtering Options and selecting the Exceptions tab. To prevent blocking of Range: requests you will need to create an exception that skips the Antivirus check.