Re: allow-query does not seem to be working

2016-08-08 Thread Ray Bellis
On 08/08/2016 20:59, Frank Even wrote: > Thanks for the info. Also I'll have to note that I completely missed > that the "offending IP" is one of the .uk root servers so the next > logical conclusion is I've probably got a box in one of my environments > driving an amplification attack of some sor

Re: allow-query does not seem to be working

2016-08-08 Thread Frank Even
Thanks for the info. Also I'll have to note that I completely missed that the "offending IP" is one of the .uk root servers so the next logical conclusion is I've probably got a box in one of my environments driving an amplification attack of some sort or something at those IPs that I need to figu

Re: allow-query does not seem to be working

2016-08-08 Thread Ray Bellis
On 08/08/2016 18:43, Darcy Kevin (FCA) wrote: > As already noted, allow-query will cause you to send back a REFUSED > response. That’s sort of the whole point of the REFUSED RCODE. > > > > If you want to not send back any response **whatsoever**, then take a > look at the “blackhole” statement,

RE: allow-query does not seem to be working

2016-08-08 Thread Darcy Kevin (FCA)
Email: kevin.da...@fcagroup.com From: bind-users [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Frank Even Sent: Saturday, August 06, 2016 4:42 PM To: bind-users Subject: allow-query does not seem to be working I have a group of servers serving out multiple addresses via anycast. I&#x

Re: allow-query does not seem to be working

2016-08-06 Thread S Carr
On 6 August 2016 at 21:41, Frank Even wrote: > If an IP is not allowed as part of an "allow-query" statement, should the > name server still be returning any responses? I would have expected the response to be one of REFUSED. ___ Please visit https://li

allow-query does not seem to be working

2016-08-06 Thread Frank Even
I have a group of servers serving out multiple addresses via anycast. I've been made aware that an IP outside of our network is hitting the boxes with queries, and we're returning data to the client. With allow-query and allow-recursion locked to our subnets, this outside host is still getting re