How do I disable local DNS caching?

lan dnsmasq

I have a small private LAN with 6 Ubuntu systems. To improve performance and simplify maintenance I implemented a DNS server on my Debian firewall/router (dig shows 0ms on repeat lookups).

Will I be able to disable the new local DNS cache on my Ubuntu systems during or after the release-upgrade?

Reference:

  • https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop
  • http://www.stgraber.org/2012/02/24/dns-in-ubuntu-12-04/

To quote my own blog post:

This dnsmasq server isn’t a caching server for security reason to avoid risks related to local cache poisoning and users eavesdropping on other’s DNS queries on a multi-user system.

So there's nothing to disable

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