EDR: Cannot install Event Forwarder: Error importing repomd.xml for base

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

• yum install cb-event-forwarder fails with this message for each mirror

Error importing repomd.xml for base: Damaged repomd.xml file

• Attempts to reach the the repo urls via ping or other methods fail

Environment

• EDR Server: All Versions (Formerly CB Response)
• CB Event Forwarder: All Versions

Cause

Proxy or firewall is blocking traffic to repo mirros

Resolution

Adjust network settings to allow communication to yum mirros