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No OS details of the asset

Question asked by Landry Kouajiep on Mar 11, 2014
Latest reply on Mar 13, 2014 by Landry Kouajiep

Is it possible for Qualys to fail on OS fingerprinting? If yes, in what condition?

I'm asking this question because I mapped an IP-range and in the map results, some of IPs didn't have any OS information. And now that I want to perform authenticated scan on that same IP-range, I need the IPs' OS in order to provide Qualys with the appropriate authentication records. I even thought about a manual update of the OS details but apparently it's not an existing feature. Any idea on how I can achieve my goal? Any guidance will be greatly appreciated.