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Scanning DHCP configured hosts by name

Question asked by Rod Andrade on Sep 26, 2013
Latest reply on Oct 3, 2013 by atanai

Hello All

 

I´m having trouble obtaining dependable results when scanning INTERNALLY by name.

 

When scanning by name Qualys says host is scanned but returns ZERO vulns and when I scan the host´s IP address Qualys returns the vulns.

 

I have 267 hosts which are guaranteed to be live on the network. However I tried mapping by name (both NetBIOS and DNS) and I only get 130 hosts "alive".

 

I had our account manager enable scanning by name on our account (Does anyone know why this is not enabled by default? It seems like a very basic feature to not have it enabled).

 

The scanner has 2 DNS servers configured as well as 2 WINS servers configured.

 

Is there a document listing some guidelines on how scanning by name shoudl be carried out? Perhaps a step by step guide? I just want to make sure that I´m following the procedures on scanning by name correctly as they should be followed rather than trying to troubleshoot without approprriate knowledge.

 

Can anyone with experience on scanning by name help?

 

Thanks

 

Rod

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