How to update packages with (yum/up2date/satellite-sync/rhn_register) on a server registered via RHN Classic through a firewall - Red Hat Customer PortalEnvironment Red Hat Enterprise Linux Red Hat Network Red Hat Satellite 5.x Internet access filtered by proxy or firewall Issue How do I configure my system so that up2date, yum, or satellite-sync can access RHN channels through a firewall or proxy? What URLs and ports do I need to configure in my proxy server to access RHN Classic Hosted or Red Hat Satelite 5? Network error when registering a serv
