Fedora FC4 RHN update icon

[jbk at mail2.gis.net (jbk)]

robertlaferla at comcast.net wrote:
> For some reason, the RHN icon has turned to a "?" on my FC4 systems and I get the following error dialog when I click it.
> 
> Error: <ProtocolError for xmlrpc.rhn.redhat.com /APPLET: 502 Proxy Error>
> 
> When I dismiss the dialog, the icon returns to normal.  What changed?  Is it the host?
> 
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Have you ever used RHN update on FC4? As far as I know the 
RHN applet has been broken since the release of FC4. It was 
covered on Fedoranews.org back in September. Use yum list 
updates for a reliable notification of updates.

Jim