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 From:  Manuel Kasper <mk at neon1 dot net>
 To:  Pierre Nast <pierre at coldev dot org>
 Cc:  m0n0wall dash dev at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall-dev] [patch] adding cnames, mx-host and log to dnsmasq
 Date:  Thu, 14 Nov 2013 13:41:40 +0100
Hello Pierre,

good job, thank you! I have committed this to the repository.

Best Regards,


On 13.11.2013, at 22:13, Pierre Nast <pierre at coldev dot org> wrote:

> Hi,
> First, this is my first post to this list and English is not my native language, please excuse
> I have a small LAN with several servers, workstations and printers. I use m0n0wall as my network
core (router and firewall). The m0n0wall box also provides DHCP and VPN services.
> I've got an old machine that provides DNS and I want to get rid of it, so I thought of using
m0n0wall to provide the DNS service. My previous DNS setup involved CNAME and MX records. As
m0n0wall did not provide such features, I started working on it. I came with the patch in
> This patch provides four features :
> 1. DNS queries log:
> It had be requested once on the user mailing list and I needed it to test my changes.
> I added a checkbox in the "DNS forwarders" page enabling/disabling queries' log.
> 2. dnsmasq configuration file:
> Currently, dnsmasq read its parameters from command line. I wanted to be able to check these
parameters, so I moved from command line parameters to a configuration file. The generated
configuration file is written to /var/etc/dnsmasq.conf.
> 3. cnames:
> In the "DNS forwarders: Edit host" page, I added a new field named "Aliases". Each alias found in
this field is then appended to the configuration file two times: with and without the domain name
recorded in the "General setup" page.
> A check for overlapping cnames is done upon form's submission, like it was done for hostnames
> 4. mx-hosts:
> Still in the "DNS forwarders: Edit host" page, I added a new row named "Extra options". In this
row there's a checkbox, enabling one to using a host as the MX for it's domain. When the checkbox is
checked, a mx-host line is added to the configuration file.
> I did not take the dnsmasq's authoritative configuration (see dnsmasq's manual) path as I thought
it would be overkill. If someone disagree with this choice, please let me know; I will then try to
work on another patch implementing that.
> I hope you'll find this useful; I found some threads in the m0n0wall forums asking for cnames and
mx-hosts features.
> If there's anything in this patch that should have been done another way, please let me know; I'll
rework and repost it.
> -- 
> Pierre
> <dnsmasq_cnames_mx.patch>
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