My RHEL6 and RHEL7 machines have no problem connecting to the management server running 14 and using the reverse proxy for LiveUpdates. My RHEL5 machines running SEP 12.1.7, on the other hand, cannot seam to communicate. I'm running the latest JRE. Installation and logs after the fact on SEP show no errors. However, the client never shows up in SEPM and the client is stuck in a "Malfunctioning" state - presumably because it cannot download definitions. How do I go about troubleshooting? The client I'm testing on is running RHEL5-11. It's a test machines so it's a fresh installation. I don't have ELS with RedHat so other than manually installing the latest Java it's never been patched.
FYI - The LiveUpdate log indicates it's about to connect to the reverse proxy and download but despite the lack of an error they don't install.