[Dnsmasq-discuss] local DNS with multiple NIC?

Gui Iribarren gui at altermundi.net
Tue Sep 18 14:19:36 BST 2012


IIRC localise-queries is the name of the option you're looking for.
--localise-queries: Return answers to DNS queries from /etc/hosts
which depend on the interface over which the ...

You add both ips to /etc/hosts and dnsmasq selects the 'right one'
according to who is asking

On 9/18/12, K R <kiwirider777 at gmail.com> wrote:
> Hi there.
>
> I would like to know if DNSMasq can fit in with my needs.
>
> I had started this project using DNSMasq but for some reason rejected
> it. Most likely it was because I would like my employer to be able to do
> some of the work of administering the system if/when needed, and DNSMasq
> doesn't have a supported/maintained WebMin module (the boss, while able
> to repair Windows systems, has no Linux and little networking
> experience). However, the needs of a decently working system over-ride
> the desire to make things easier for the boss.
>
> I work in a small computer repair shop, and am building a server that
> will a) allow us to boot various tools/installers over PXE, b) provide
> DNS along with site blocking, c) keep the planned "halves" of the
> network separate from each other while acting as a internet gateway (one
> half for machines suspected of having malware, the other for those known
> to be safe, to lessen the risk of cross-infection), d) fileserver and e)
> to handle our databases.
>
> I know it's a bit for one machine, but we need to keep costs low.
> Running more than one machine is simply to much.
>
> To make life easier, especially with the PXE side of things, I'd like to
> replace IP's with a domain. Some parts of the setup (eg those which use
> NFS) currently have an IP in the config. From what I've seen there's
> nothing in the current system that would let me have the right server IP
> given depending on which side of the network a machine is connected to,
> and I'd like to have as much isolation between the two sides as
> possible. If I can replace the IP's with the server's domain name, and
> have that connect to the appropriate IP, then that should solve a number
> of my issues.
>
> Currently I am using TFTPD-HPA, Bind9, and the ISC dhcp server. I have
> previously used DNSMasq in a simillar but far less complex setup and
> found it did a pretty good job, and would like to go back to it.
> However, I need to know that it can do what I need, and preferably
> without changing much of my current setup - especially the menus for the
> various PXE options.
>
> Hope this is clear. Been a rather long and trying/tiring day, and not
> all neurons firing :)
>
> Thanks in advance,
> David
>
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