When building a custom RHEL image, it is expected that the workstation will have internet access.
However access may be restricted by firewalls.
TKGm 2.5
The RHEL image build process will require access to the below URLs and they should be opened on any firewalls.
Vmware Registry
Containerd Wasm Shims:
Kubernetes RPM Repository and GPG Keys:
Kubernetes Debian Repository and GPG Key:
Red Hat EPEL RPM and GPG Key:
VMware Cloud-Init Guestinfo Data Source:
See KB Red Hat subscription Manager Firewall or proxy access, https://access.redhat.com/solutions/65300