Re: [Xen-users] Major /dev/urandom (Security) issue? [jailtime.org issue]

[Ken Bass <kbass@xxxxxxxxxxx>]

Ken Bass wrote:
> I'm new to Xen. I'm using the Xen that comes with Centos 5.1 (which is 
> 3.1). When I read from /dev/urandom, the values NEVER change. My domU 
> is a Centos 5.1 instance. Below I run the simple command twice and get 
> the same numbers. If I run another domU I get the SAME numbers!
First, thanks for those who responded telling me their system was 
working fine. As a followup, I've discovered that the /dev/urandom file 
is just a regular file, not a special character file like it should be. 
This would explain the behavior. The Xen centos 5.1 image that I am 
using as a test was downloaded from http://jailtime.org/download:centos:v5.1
While the initial filesystem image shows /dev/urandom as a special char 
device, it seems that on bootup, it is overwritten or something. I 
notice that rc.sysinit was modified and the line
'/sbin/start_udev' was commented out. I suspect that has something to do 
with it.

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