Upgrading to next version of Fedora

[Richard England]

Björn Persson wrote:
> Richard England wrote:
>   
>> Dave Feustel wrote:
>>     
>>> What is involved in upgrading from one version of Fedora to the next?
>>> (eg from Fedora 9 to Fedora 10 when F-10 becomes available)
>>>       
>> You might look into preupgrade
>>     
>
> But you should be aware that Preupgrade is a possible attack vector if someone 
> is trying to sneak malware into your computer. It doesn't check the files it 
> downloads for tampering.
>
> Yum checks all the packages it installs, and for CD images there are signed 
> checksums so that you can verify them manually.
>
> Björn Persson
>   
I was under the impression that RPM was still used by Anaconda and the 
MD5 was still checked by RPM at installation time.

Does anyone that can speak to it know what security changes are planned 
/ will be in place for F10?