Multihomed Servers...

[Kevin Darcy]

Bob Van Cleef wrote:

> Sigh...
>
> I have a couple of systems that have multiple interfaces... which I setup
> like the wormhole.movie.edu examples in chapter four of the DNS & Bind
> books.  For example:
>
> atlas           A       192.216.192.53
> atlas           A       192.86.7.53
> atlas           A       192.86.8.53
> atlas           A       192.86.9.53
>
> atlas-192       A       192.216.192.53
> atlas-7         A       192.86.7.53
> atlas-8         A       192.86.8.53
> atlas-9         A       192.86.9.53
>
> bash# grep atlas /etc/hosts
> 192.86.9.53     atlas atlas.microunity.com atlas-9 atlas-9.microunity.com
> 192.216.192.53  atlas atlas.microunity.com atlas-192 atlas-192.microunity.com
> 192.86.7.53     atlas atlas.microunity.com atlas-7 atlas-7.microunity.com
> 192.86.8.53     atlas atlas.microunity.com atlas-8 atlas-8.microunity.com
>
> I am repeatedly running into problems with software that seems to assume
> that this is illegal.  Especially things that like to do reverse lookups.
>
> Does this practice break some new defacto standards that are evolving,
> or are those tools not doing their authentication correctly?  I've run
> into problems with this on things as diverse as NFS on Solaris systems and
> CFENGINE.

How do the PTR records look?


- Kevin