Welcome to the PowerDNS Blog

Bert Hubert on Dec 11, 2014

Over the past few months,we’ve worked on our graphing tool, which has proved to be a wonderful aid in debugging. If you want to get the best help from us in diagnosing your problems, read on. PowerDNS Authoritati...

Bert Hubert on Dec 08, 2014

PowerDNS Security Advisory 2014-02: PowerDNS Recursor 3.6.1 and earlier can be made to provide bad service Hi everybody, Please be aware of PowerDNS Security Advisory 2014-02, which you can also find below. The g...

Peter van Dijk on Oct 30, 2014

Note Version 3.6.2 is a bugfix update to 3.6.1. Released on the 30th of October 2014. Official download page A list of changes since 3.6.1 follows. commit ab14b4f: expedite servfail generation for ezdns-like fail...

Bert Hubert on Oct 22, 2014

PowerDNS software sadly sometimes has critical security bugs. Even though we send out notifications of these via all channels available, our recent security releases have taught us that not everybody actually fin...

Bert Hubert on Sep 10, 2014

Hi everybody, We regret that we have to announce a PowerDNS Recursor security release: Issue: A specific sequence of packets can crash PowerDNS Recursor 3.6.0 remotely CVE: CVE-2014-3614 Affected: All deployments...

Peter van Dijk on Jun 20, 2014

Note Downloads: Official download page native RHEL5/6 packages from Kees Monshouwer This is a performance, feature and bugfix update to 3.5/3.5.3. It contains important fixes for slightly broken domain names, whi...

Peter van Dijk on May 30, 2014

RC1 released May 30th, 2014 Downloads: pdns-recursor-3.6.0-rc1.tar.bz2 semistatic packages native RHEL5/6 packages from Kees Monshouwer This is a performance, feature and bugfix update to 3.5/3.5.3. It contains i...

Bert Hubert on May 21, 2014

Yesterday, we were contacted by PowerDNS user James Baer who noted strange crashes in PowerDNS (on Linux) upon adding thousands and thousands of IP addresses to his system. Notably, PowerDNS did not even use any ...

Peter van Dijk on Apr 03, 2014

Hi everybody, Sadly, further DoS attacks are plaguing the world of DNS, which is bad for the targets of those DoS attacks, but also for us DNS operators that help originate them. This post has guidance on how to ...

Bert Hubert on Feb 06, 2014

Hi everybody, Over the past week we’ve been contacted by a few users reporting their PowerDNS Recursor became unresponsive under a moderate denial of service attack, one which PowerDNS should be expected to weath...