Outbound connectivity requirements,,,
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Red Hat CoreOS enabled locations in Dallas region,,,
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Definition,Hostnames,Ports,IP addresses
Red Hat NTP servers,0.rhel.pool.ntp.org;1.rhel.pool.ntp.org;2.rhel.pool.ntp.org;3.rhel.pool.ntp.org,NTP protocol and UDP on port 123,
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Red Hat Container Registry,https://docs.openshift.com/container-platform/4.8/installing/install_config/configuring-firewall.html,,
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Worker to master,c131.us-south.satellite.cloud.ibm.com;c131-1.us-south.satellite.cloud.ibm.com;c131-2.us-south.satellite.cloud.ibm.com;c131-3.us-south.satellite.cloud.ibm.com;c131-e.us-south.satellite.cloud.ibm.com,TCP 30000 - 32767,169.46.43.146;169.48.236.58;169.60.150.218
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Attach and assign hosts,origin.us-south.containers.cloud.ibm.com,HTTPS 443,169.46.110.218;169.47.70.10;169.62.166.98
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IBM Cloud Container Registry,icr.io;us.icr.io;registry.bluemix.net;registry.ng.bluemix.net,HTTPS 443,
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Link tunnel server endpoint,c-01-ws.us-south.link.satellite.cloud.ibm.com;api.link.satellite.cloud.ibm.com,HTTPS 443,169.48.139.210;169.48.188.146;169.59.239.66;169.60.2.74;169.61.140.18;169.61.156.226;169.61.31.178;169.61.38.178;169.62.221.10
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IBM Cloud Log Analysis,https://cloud.ibm.com/docs/log-analysis?topic=log-analysis-endpoints#endpoints_api_public,HTTPS 443,
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IBM Cloud Monitoring,https://cloud.ibm.com/docs/monitoring?topic=monitoring-endpoints,HTTPS 443 and 6443,
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Allow hosts to connect to HPCS for encrypting cluster secrets,api.us-south.hs-crypto.cloud.ibm.com,port 8000-19999,