It is with the hostname requirements.  AWS EC2 normally gives you a dynamic
IP address, which then you can update DNS records with.  The reverse lookup
on the IP is still the aws IP address in a text form, not the proper
reverse.  The documentation says:

The reverse of the address that the hostname resolves to must match the

Now I can get a nailed up elastic IP address which does not change, and if
I put in a request I can get the reverse IP to map.  The problem with that
is there is a finite number of elastic IP addresses you can request - 5 -
without begging for more.  I'd rather not use them up.

Can I get around this issue if I have my own DNS server running on the same

On Thu, Jan 12, 2012 at 12:46 PM, Simo Sorce <> wrote:

> On Thu, 2012-01-12 at 10:28 -0600, Jeff White wrote:
> > I'd like to use FreeIPA with Amazon's EC2 virtual machines.  I'm
> > seeing a number of barriers, mostly around DNS.  An elastic IP address
> > looks like it would solve the issues, but I'm not sure that will.  And
> > I'm wondering if there are any more barriers to making it work.
> Can you elaborate on the DNS issues ?
> Simo.
> --
> Simo Sorce * Red Hat, Inc * New York

Jeff White Technical Operations Manager
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