Configuring a Zone Without Interfaces

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Configuring a Zone Without Interfaces

L0 Member

It is possible to configure a zone without any interfaces specified? 
Will the rule containing this zone be applied ?

Will traffic that match this rule be accepted from any source and destination interface? 


Community Team Member



Yes you can configure zones without adding them to an interface :


Zone without interfaceZone without interface


You can even configure this zone in the rulebase :


Zone in rulebaseZone in rulebase


 Correct me if I'm wrong but as nothing is tied to this zone, this rule will never be matched.



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L7 Applicator

Firewall lookup from zone to zone is matched based on the ingress and egress interface of the traffic.  


so if a zone has no interfaces, the zone and associated rules will never be used for any traffic.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center

L7 Applicator

@shaunyt, My question for you is:


Why were you wanting to create a zone without interfaces? 

What were you trying to accomplish?

LIVEcommunity team member
Stay Secure,
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A use case would be the situation that a rule is deployed from Panorama to multiple firewalls and some dont have this zone. So commit will fail. When you add such a "dummy" zone with no interface assigned the commit will succeed.

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