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Ihenock1011
Advisor

DNS Query going through implied rules

Hi All,

Currently, we have a Checkpoint R81.10 Take 169 firewall. I'm observing a  DNS query requests being sent to DNS servers via implied rules. Even the 'Accept Domain Name UDP Queries' option is unchecked DNS requests are still going through implied rules.

Can anyone guide or help us why such behavior is observed ??

Regards,

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5 Replies
Chris_Atkinson
Employee Employee
Employee

What is the source of the request?

Was the policy installed after the setting was unchecked?

CCSM R77/R80/ELITE
Ihenock1011
Advisor

The source is the CP gateway itself for url and IPS update. From the begning the setting was unchecked.

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Chris_Atkinson
Employee Employee
Employee

There is a separate implied rule that covers outbound traffic from the gateway itself.

image (7).png

CCSM R77/R80/ELITE
(1)
Ihenock1011
Advisor

Thanks Chris for your reply. So in that case is there a means of disabling/blocking only DNS requests originating from the gateway?

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the_rock
Legend
Legend

I see the point Chris is making. If you can confirm that, would help us.

Andy

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