Re: [Xen-users] Has anyone successfully set up a dhcp/iptables firewall in dom0 NATing traffic from domU?

["Juergen Schinker" <ba1020@xxxxxxxxxxxxxxxxxxx>]

> I've been struggling with this problem for a few days now perhaps
someone here has had experience with this problem already.  I am trying
to set up a rack server lke this:
>
> dom0: iptables/dhcp
> dom1: LAMP server
> dom2: MAIL server
> dom3: VNC vm for graphical admin and web tools
>
> Dom0 has one physical interface eth0 which receives a static ip, i have
also set up a bridge called br0 that i have bound dnsmasq to in order to
dole out ips to the domU's.  The domU's are assigned a mac address and
once they boot dhclient requests an ip over 192.168.0.1 which works
well.  Once the domU has booted I can ping the other domU's by ip and
the br0 itself at 192.168.0.1 as well as accessing all the servers in
the domUs in my internal network.  I.e. I can hit the webserver in dom1
from dom3.  I can also ping external sites by domain name like
google.com.  Unfortunately that is about all I can do.  I cannot access
any other form of net traffic from inside the domU, i.e I cannot access
the web or rsync.  My question is basically, is this a problem with Xen
networking or is it a problem with
> iptables?  Both?
>
>  - Rich
>
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> http://lists.xensource.com/xen-users
>
>
Yes here http://homie.homelinux.net/wordpress/?p=11





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