[Dnsmasq-discuss] dnsmasq / dns server / iptables config glitch?
Adam Hardy
adam.ant at cyberspaceroad.com
Mon Nov 23 18:28:06 GMT 2009
Thought I had a simple problem but I don't really find anything relevant on the
web and I'm not getting any responses to my questions here.
Just a pointer in the right direction would be helpful - something to put me
back on the scent?
Thanks
Adam
Adam Hardy on 20/11/09 20:38, wrote:
> I have a lan with a gateway machine running an ADSL modem and two NICs with
> iptables and dnsmasq.
>
> It also runs mysql and tomcat but is currently just a simple gateway, I'm not
> trying to configure any DMZ or fancier stuff like that.
>
> My problem is that I can access mysql using 'localhost:3306' but I can't access
> it on the same box when using the machine name e.g. 'isengard:3306' and my guess
> is that I have mis-configured either dnsmasq or iptables.
>
> I figure that my command "mysql --host=isengard" is probably being resolved as
> external and then getting blocked by the firewall.
>
> My dnsmasq config file, based on the example config but with comments removed, is:
>
> domain-needed
> bogus-priv
> filterwin2k
> local=/localdomain/
> domain=localdomain
> dhcp-range=192.168.0.3,192.168.0.254
> dhcp-option=option:router,192.168.0.2
> dhcp-option=option:mtu,1500
>
> and my resolv.conf file is:
>
> nameserver 194.74.65.68
>
> and I think this is getting continually rewritten by dhcp with the nameserver
> info from the dhcp server on the modem which gives the outside NIC its internet
> ip address.
>
> Does this make any sense? Or rather does anyone see where my situation is
> foobarred?
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