RedHat Firewall rules
2015 - Rules to allow servers to do RedHat updates through firewall.
- cdn.redhat.com
- xmlrpc.rhn.redhat.com
- content-xmlrpc.rhn.redhat.com
- subscription.rhn.redhat.com
- mirrors.fedoraproject.org
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2015 - Rules to allow servers to do RedHat updates through firewall.
...