Getting RedHat updates

[m.roth2006 at rcn.com]

>Date: Wed, 04 Apr 2007 22:09:11 +0200
Beres, 

>To: General Red Hat Linux discussion list <redhat-list at redhat.com>
>
>m.roth2006 at rcn.com wrote:
>
>> up2date -d mysql-4.1.20-2.RHEL4.1.i386.rpm
>> 
>> and it couldn't find it. So, what did I do wrong? I want the one security fix, and *I* want to install it, so I can back it out if it breaks something the developers need.... The man page isn't clear enough to answer this (for example, what the hell is a "channel"?)
>
>man up2date:
>
>Only the package name is needed, do not supply any version or release
>information.

I saw that... but that's the rpm that's listed in the current security warning, and I want that, and no other. Is there *any* other way to get it?

    mark