Intrazone Rules

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MPI-AE
L4 Transporter

Intrazone Rules

Hey guys,

I took over a Palo Alto Firewall and I noticed that there is a intrazone allow rule at the end for every single internal zone.

So source zone: internal zone xy

source address: any

destination zone: internal zone xy

dest address: any

application: any

Action: allow

 

these intrazone allow rules are placed before the intrazone default deny rule.

 

What do I need these intrazone allow rules for?

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