[Dnsmasq-discuss] Becoming authoritative DNS for additional netblock

[Albert ARIBAUD]

Hi "A C",

Le Sun, 29 Nov 2015 14:08:50 -0800
A C <agcme at hotmail.com> a écrit:

> Ok, this question is for a much older version of dnsmasq because I
> haven't been able to update the router firmware to bring in a newer
> version.  I'm currently using version 2.35
> 
> My current internal IP space is 10.0.0.0/255.255.0.0 (A Class B subnet
> of the 10.x.x.x Class A space).   I have a VPN server on the network
> that I use when I'm away from home.  It uses the 10.100.0.0 network
> space for the remote clients.
> 
> What I would like to do is configure dnsmasq on my router to answer
> authoritatively for any requests about addresses in that 10.100.0.0
> network even though the main network is outside that space.  The VPN
> clients are assigned these extra IPs statically so I would just be
> adding them to the router's hosts file for dnsmasq to pick up.
> 
> According to online man pages (the router doesn't have them because of
> space) there's a rev-server option which appears to be what I want
> but I can't determine if rev-server is supported in 2.35 or if it's a
> later addition.

As per the current manpage, the --rev-server option is just syntactic
sugar for --server. Therefore, if --rev-server does what you need, do
does --server, and IIUC, it does not work as a "reverse query router". 

Amicalement,
-- 
Albert.