<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 14 September 2016 at 12:17, Job <span dir="ltr"><<a href="mailto:Job@colliniconsulting.it" target="_blank">Job@colliniconsulting.it</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello,<br>
<br>
which is the best load balancer for two or more Bind DNS Server, located in the same farm?<br>
I read something about HAProxy but it does not manage udp connection and the interesting security proxy/balancer DnsDist does not pass original client ip for Bind-DLZ...<br><br></blockquote><div>Your best option is something that can do the job statelessly. As Warren says, anything that keeps state (firewall, load balancer, etc.) becomes a DoS target... or, at best, becomes the thing that runs out of resources before your network or your DNS servers do.</div><div><br></div><div>Mostly that means using a routing protocol to do LAN-scope Anycast via ECMP. ISC has a technote that explains how to do it.</div><div><<a href="http://ftp.isc.org/isc/pubs/tn/isc-tn-2004-1.html">http://ftp.isc.org/isc/pubs/tn/isc-tn-2004-1.html</a>></div><div><br></div><div><br></div></div><br></div></div>