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[Bug 1468836] Re: Resolver ignores ndots option

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.1 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-unstable/


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1468836

Title:
  Resolver ignores ndots option

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Regardless of ndots option in /etc/resolv.conf, when NXDOMAIN is returned from the DNS server then resolver always try another attempt with the original name extended by what is in search option.
  For example, if you're looking for very.long.url.nowhere and there is a line "search ubuntu.com" in resolv.conf (or no such line at all, which gives out "search mydomain.tld" by default) you will get addres of server very.long.url.nowhere.ubuntu.com if such exists. It is incorrect, it should occurs only for urls having less that ndots option dots in its name.

  First mentioned there
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/401202 but still
  not fixed.

  lsb_release:
  Description:    Ubuntu 14.04.2 LTS
  Release:        14.04

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References