----- "Simon Hobson" <[EMAIL PROTECTED]> wrote:

> [EMAIL PROTECTED] wrote:
> 
> >So in short, there is no way for me to have several DomUs share a 
> >single public IP.
> 
> Yes and No ! Yes, they can all share a single connection through NAT,
> 
> no, they can't all offer the same sevices.
> 
> You need a simple "two interface router with NAT", which can either 
> be an external box (ie router appliance), or you can run it in a DomU
> 
> with something like Shorewall. You need to forward certain types of 
> traffic to internal machines that are going to handle it - eg DNAT 
> inbound connections to port 80 to your web server, DNAT inbound 
> connections to port 25 to your mail server, and so on.
> 
> Shorewall doesn't care if the two interface machine is a standalone 
> computer running only the firewall, or a virtual machine running 
> under Xen. DomU's are fairly simple in terms of their networking - 
> it's just Dom0+NAT+firewalling that you need to steer clear of.
> 

Thank you so much for your help and clarification on all of this.  I talked to 
my provider and I will try and get a couple of extra public IPs and use Xen as 
a bridged network.  This way, I'll just install a simple shorewall on each Dom. 
 I will however have a look at other solutions unless Xen fix this problem.

Thanks again!

--
eco

-------------------------------------------------------------------------
This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
Build the coolest Linux based applications with Moblin SDK & win great prizes
Grand prize is a trip for two to an Open Source event anywhere in the world
http://moblin-contest.org/redirect.php?banner_id=100&url=/
_______________________________________________
Shorewall-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/shorewall-users

Reply via email to