In addition to the software, hardware, and disk space requirements, the RHN Proxy Server must have the following configuration:
Internal computers need full network access to the RHN Proxy Server solution's services and ports.
The RHN Proxy Server solution connects to itself for some services. Thus, localhost connections must always be allowed between the RHN Proxy Server components.
The RHN Proxy Server solution can be firewalled from the Internet, but it must be able to issue outbound connections to the Internet on ports 80 and 443.
The following are recommended requirements:
The system running the code should not be publicly available. No user but the system administrators should have shell access to these machines.
All unnecessary services should be disabled. You can use ntsysv or chkconfig to disable services.
The HTTP proxy caching server should be secured. Refer to Section G.3 HTTP Proxy Caching Server Configuration for details.
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