PowerDNS Authoritative Server 4.0.1 released

Jul 29, 2016

We’re happy to announce the release of the PowerDNS Authoritative Server 4.0.1. The first bugfix release for the 4.0 series.

This release fixes several small issues and adds a setting to limit AXFR and IXFR sizes, in response to CVE-2016-6172.

Bug fixes

  • #4126 Wait for the connection to the carbon server to be established
  • #4206 Don’t try to deallocate empty PG statements
  • #4245 Send the correct response when queried for an NSEC directly (Kees Monshouwer)
  • #4252 Don’t include bind files if length <= 2 or > sizeof(filename)
  • #4255 Catch runtime_error when parsing a broken MNAME


  • #4044 Make DNSPacket return a ComboAddredd for local and remote (Aki Tuomi)
  • #4056 OpenSSL 1.1.0 support (Christian Hofstaedtler)
  • #4169 Fix typos in a logmessage and exception (Christian Hofsteadtler)
  • #4183 pdnsutil: Remove checking of ctime and always diff the changes (Hannu Ylitalo)
  • #4192 dnsreplay: Only add Client Subnet stamp when asked
  • #4250 Use toLogString() for ringAccount (Kees Monshouwer)


  • #4133 Add limits to the size of received {A,I}XFR
  • #4142 Add used filedescriptor statistic (Kees Monshouwer)

The sources are on the downloads site(sig). Packages for several distributions are available from our repositories.

About the author

Pieter Lexis

Pieter Lexis

Senior Developer at PowerDNS

Related Articles

PowerDNS Authoritative Server 4.9.0

This is release 4.9.0 of the Authoritative Server. It brings a few new features, and a collection of small improvements and...

Peter van Dijk Mar 15, 2024

PowerDNS Recursor: Extended DNS Errors Help You Troubleshooting

This is the seventh episode of a series of blog posts we are publishing, mostly around recent developments with respect to...

Otto Moerbeek Mar 12, 2024

PowerDNS Recursor 4.8.7, 4.9.4 and 5.0.3 Released

Today we have released PowerDNS Recursor 4.8.7, 4.9.4 and 5.0.3. These releases are maintenance releases that fix a few...

Otto Moerbeek Mar 7, 2024

PowerDNS Authoritative Server 4.9.0-beta2

This is release 4.9.0-beta2 (beta1 was not released, due to a tagging mistake) of the Authoritative Server. It brings a few...

Peter van Dijk Feb 16, 2024