Handling Web Site Not Resolved by DNS

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Handling Web Site Not Resolved by DNS

L3 Networker

Hello,

   Anyone handling DNS Resolution Failures - user types bad url or site not available?

   Would appreciate hearing your ideas...

Thanks

Art

2 REPLIES 2

L6 Presenter

If you mean security wise you can always use whitelisting.

If the user typed the url correctly and the url is part of the categories you are allowing the user will be able to visit the site - otherwise the request will be blocked.

L4 Transporter

Are you seeing Not Resolved, in your list of URLs? It may be because your local URL db does not have the category for that URL. If so, the URL is usually checked against the Cloud Servers for the correct categorization. To get categorizations from the cloud please go to "Objects>>URL FiIltering Profile>> Choose the profile attached to the security policy and ensure that the "Dynamic URL Filtering box is checked. This should get URL resolutions for links that are not known through the local URL DB

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