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KostasGR
Advisor

Reverse DNS requests from standby gateway every 6 hours

Hello community.

We have observed that a standby member sends Reverse DNS requests towards DNS server every 6 hours for different IPs.

Any idea why this is happening?

BR,

Kostas

 

 

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3 Replies
PhoneBoy
Admin
Admin

The only reason I can think of for reverse DNS lookups is non-FQDN objects in the policy.
Any of those present?

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KostasGR
Advisor

Hello PhoneBoy

Yes they are present if you mean host1 with IP 192.168.1.2 and not DNS entries either forward or reverse.

We are not using domain objects.

BR,

Kostas

 

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PhoneBoy
Admin
Admin

It's a specific type of object (not a standard host/network object):

Screen Shot 2021-06-20 at 6.15.54 PM.png

If you don't have any of those, not sure offhand and it might be worth a TAC case to ask.

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