The firewalld service does not allow packet transmission between two different zones

Updated -


  • Red Hat Enterprise Linux 9

In zone-based firewalls, packets enter only one zone. Implicit packet transmission is the concept violation and can allow traffic or services unexpectedly.

In certain situations, for example, if you run firewalld on a router, packets are no longer allowed to implicitly transfer between two different zones. ...

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content