Outbound connectivity requirements,,,
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Red Hat CoreOS enabled locations in London 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,c116.eu-gb.satellite.cloud.ibm.com;c116-1.eu-gb.satellite.cloud.ibm.com;c116-2.eu-gb.satellite.cloud.ibm.com;c116-3.eu-gb.satellite.cloud.ibm.com;c116-e.eu-gb.satellite.cloud.ibm.com,TCP 30000 - 32767,158.175.113.26;141.125.85.26;158.176.90.58
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Attach and assign hosts,origin.eu-gb.containers.cloud.ibm.com,HTTPS 443,159.122.224.242;158.175.65.170;158.176.95.146
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IBM Cloud Container Registry,icr.io;registry.bluemix.net;uk.icr.io;registry.eu-gb.bluemix.net,HTTPS 443,
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Link tunnel server endpoint,c-01-ws.eu-gb.link.satellite.cloud.ibm.com;api.link.satellite.cloud.ibm.com,HTTPS 443,158.175.130.138;141.125.87.226;158.176.74.242
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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.eu-gb.hs-crypto.cloud.ibm.com,port 8000-19999,