Unknown DNS Zone Transfer Requests from Red Hat Openshift Cluster

Solution Verified - Updated -

Issue

  • The client's security team has identified some Zone Transfer requests that are originating from the OpenShift Nodes.

  • The requests are originating from the Openshift Nodes and being directed to upstream DNS servers. This behavior happens randomly and doesn't show a particular pattern.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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