What IPv4 addresses or DNS domains must be whitelisted within my network in order to access quay.io?

Solution Verified - Updated -

Issue

  • Within my private network, access to quay.io does not work as the correct DNS domains or IPv4 addresses have not been whitelisted.
  • What addresses and DNS domains must currently be whitelisted by my network and security appliances and infrastructure to allow for access to quay.io, most notably for pulling and pushing container images?

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenShift Container Platform 3
  • Red Hat OpenShift Container Platform 4

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