[Bug 80900] Re: Avahi daemon prevents resolution of FQDNs ending in ".local" due to false negatives in the detection of ".local" networks

[Lukas Vacek]

Ubuntu 14.04 is still affected.

Either the default nsswitch.conf has to be updated to use dns even when
mdns fails or nss-mdns has to be patched to return NSS_STATUS_UNAVAIL
instead of NSS_STATUS_NOTFOUND even for .local domains.

** Also affects: nss-mdns (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/80900

Title:
  Avahi daemon prevents resolution of FQDNs ending in ".local" due to
  false negatives in the detection of ".local" networks

Status in “avahi” package in Ubuntu:
  Triaged
Status in “nss-mdns” package in Ubuntu:
  Confirmed
Status in “avahi” package in Debian:
  New

Bug description:
  Install Kubuntu Feisty
  Set the ip address to dhcp for eth0 (ethernet port)
  make sure the host name and domain name are set
  Hostname computer1
  DomainName mydomain.local

  allow DHCP to assign the IP address

  Ensure the computer details are registered in DNS for
  mydomain.local...

  computer names registered in DNS (FQDN) 
  computer1.mydomain.local
  computer2.mydomain.local
  computer3.mydomain.local

  computer2 and computer3 are both running Kubuntu Dapper and are both
  using DHCP.

  if I issue the following comands on computer2 or computer3, it works
  correctly:

  ping computer2      (response received - ping good)
  ping computer3      (response received - ping good)
  ping computer2.mydomain.local       (response received - ping good)
  ping computer3.mydomain.local       (response received - ping good)

  if i issue the same commands from the feisty box (computer1), these
  are the results..

  ping computer2       (response received - ping good)
  ping computer3       (response received - ping good)
  ping computer2.mydomain.local       (unknown host)
  ping computer3.mydomain.local      (unknown host)

  for some reason if you try to ping the fully qualified domain name on
  feisty, it cant resolve it, yet it can resolve it using both static IP
  Addressing and DHCP addressing on Dapper. (i set the IP to static as
  well for the test) Static and DHCP on Dapper works fine. Static and
  DHCP wont resolve fully qualified domain names on Feisty. (computer1,
  computer2 and computer 3 are all Kubuntu machines. DNS Server is a
  Windows 2003 Server (that will be changed a kubuntu server very soon
  though!)

  It can resolve the host name only though, and will return the fully
  qualified domain name in the response.

  cheers

  Rod.

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