Why is a DNS record required for the scanner appliance?

Document created by kb-author-1 Employee on May 19, 2010Last modified by eschamp on Jul 25, 2010
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Issue:

Why is a DNS record required for the scanner appliance?

 

Cause:

Several daemons we scan (most importantly SMTP) perform a reverse DNS lookup on the client for access and logging purposes. Missing or mis-configured reverse DNS setups can significantly slow down the scanning of such daemons and sometimes prevent access altogether.

 

 

Solution:

Please assure that the scanner appliance’s IP address has an entry in your DNS service.

 

 

 

Qualys Support KnowledgeBase

http://community.qualys.com/community/kb

 

ID: 0001.003.613.000

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