[CentOS-devel] Re: Point yum repos to centos gpg key in /etc/pki/
ssilva at sgvwater.com
Mon Feb 25 19:13:46 UTC 2008
on 2/25/2008 10:40 AM Jeff Sheltren spake the following:
> On Feb 25, 2008, at 10:34 AM, Johnny Hughes wrote:
>> Jeff Sheltren wrote:
>>> Hi, as a follow up to a conversation in #centos-devel, I'd like to
>>> get input from the list on this issue.
>>> The question is where to point people, and tools like yum, for the
>>> centos gpg key used to verify rpm signatures. My opinion is that
>>> pointing to the key in /etc/pki/ which gets installed by the
>>> centos-release makes the most sense. This is already installed
>>> locally on any centos (-5) machine. See ie.
>>> From a security standpoint, there are issues with either choice.
>>> However, if your install media has been compromised, then there would
>>> be many other ways to bypass the gpg checks rather than just changing
>>> the gpg key from the centos-release package. Pointing to a URL for
>>> the gpg key opens up more security issues such as dns poisoning.
>> I think that for the CentOS-Media.repo file that using the /etc/pki
>> directory makes sense.
>> I STILL think pointing to the http://mirror.centos.org/ site is best
>> for the web enabled CentOS-Base.repo file.
> Johnny, could you let us know your reasons for wanting to point to the
> remote GPG key?
I would think if you could compromise the mirror dns list, you could have
malicious rpm's signed by a malicious key, and have thousands of systems get
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!
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