Thanks for your reply, Simon.
I'm using tcpdump to monitor src/dest port 53. I can see a request packet
being sent to 127.0.0.1:53 and then another sent to 127.0.1.1:53 which
doesn't respond. It turns out there are two dnsmasq services running, and
the first is forwarding to the second. However, I
On Sat, Feb 13, 2016 at 01:09:00PM +, Simon Kelley wrote:
>
> Will try and remember to reply to your other points, but on this one,
> the way I'd do it (assuming you don't have problems with slow or
> intermittent connectivity) is to have one (primary) dnsmasq which is the
> DHCP server for al
You are quite right Simon. The mistake was on my part, I didn't think
VMware ESXi Standard switches would protect against a DHCP Starvation
attack from pig.py so I wasn't looking in the right direction. It seems the
standard switches do protect, even with both "MAC address changes" and
"Forged Tran
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The condition that causes it is having the start address all zeros and
the end address all ones. Dnsmasq calculates the size of the range, in
this case ff - 0 and then adds one to it, overflowing the
64-bit variable back to zero. It then
I'm running 14.04 and just tried that experiment. I can't see any
difference in behaviour. In each case the query gets passed on to the
upstream nameserver, so I guess that the effect might originate there.
Cheers,
Simon
On 12/02/16 17:44, Justin Karneges wrote:
> Hi list,
>
> I noticed a we
On 13/02/2016 13:09, Simon Kelley wrote:
> Will try and remember to reply to your other points, but on this one,
> the way I'd do it (assuming you don't have problems with slow or
> intermittent connectivity) is to have one (primary) dnsmasq which is the
> DHCP server for all three networks. You de
On 06/02/16 00:01, Chris Novakovic wrote:
> Before writing this patch I tried to get similar functionality by
> setting up secondary DNS-only servers on each of the hosts and having
> them refuse queries that couldn't be answered locally, then configuring
> the primary dnsmasq servers in the way y
