Welcome to the PowerDNS Blog
Security Advisory 2015-01
Peter van Dijk on Apr 23, 2015
UPDATE: please also read the update posted on May 1st. Hi everybody, Please be aware of PowerDNS Security Advisory 2015-01. The good news is that as far as we have seen, only specific builds for RHEL5 are affecte...
Recursor 3.6.3
Peter van Dijk on Apr 23, 2015
Hi everybody, We’re pleased to announce version 3.6.3 of our Recursor. The most important part of this update is a fix for CVE-2015-1868. Tar.gz and packages are available on: * https://downloads.powerdns.com/rel...
Authoritative Server 3.4.3 released
Peter van Dijk on Mar 02, 2015
Warning: Version 3.4.3 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema...
From NOERROR to REFUSED
Peter van Dijk on Mar 02, 2015
Back in 2011, in the work leading up to the biggest release of the Authoritative Server so far (3.0, with DNSSEC), in an attempt to bring the rcode for a ‘dangling CNAME’ in line with BIND, by accident the rcode ...
PowerDNS Recursor 3.7.1 Released
Peter van Dijk on Feb 12, 2015
Released February 12th, 2015. Download page. This version contains a mix of speedups and improvements, the combined effect of which is vastly improved resilience against traffic spikes and malicious query overloa...
Authoritative Server 3.4.2 Released
Peter van Dijk on Feb 03, 2015
Warning: Version 3.4.2 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema...
Diverting recursor-to-auth attacks
Peter van Dijk on Dec 12, 2014
We get frequent reports from users/customers about various DNS-related attacks they are facing on either their authoritatives or recursors. This post focuses on one kind of attack that involves both. The attack w...
Authoritative Server 3.4.1
Peter van Dijk on Oct 30, 2014
Warning Version 3.4.1. of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema...
Recursor 3.6.2
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...
PowerDNS Authoritative Server 3.4.0 released
Peter van Dijk on Sep 30, 2014
Warning Version 3.4.0 of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Additionally, if you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema ...