[Bug 1260845] Re: libkrb5-dev version 1.10-beta1 has broken RDNS support

[Robie Basak]

*** This bug is a duplicate of bug 571572 ***
    https://bugs.launchpad.net/bugs/571572

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Which versions in Ubuntu are affected, please? Also, please see
https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/571572/comments/17

Right now I'm not clear on what needs to be patched where, with the
details of the interaction with libc and how this varies between
releases, to actually upload anything. If somebody could clarify the
situation with specific required minimal patches in Ubuntu and a correct
fix in Trusty if required (or confirmation that Trusty is not affected),
and there is consensus that this is accurate, then we can get this done.
Details in the comment I linked above, and
https://wiki.ubuntu.com/StableReleaseUpdates#Procedure. Without a
detailed technical clarification of the situation covering Ubuntu
releases, this bug will languish.

I'm marking this bug as a duplicate of bug 571572 as I assume that it's
the same issue. If this is wrong, please explain and I can undo the
duplicate mark. Otherwise, please continue discussion in the other bug.
Thanks!

** This bug has been marked a duplicate of bug 571572
   krb5 prefers the reverse pointer no matter what for locating service tickets.

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https://bugs.launchpad.net/bugs/1260845

Title:
  libkrb5-dev version 1.10-beta1 has broken RDNS support

Status in “krb5” package in Ubuntu:
  New

Bug description:
  The libkrb5-dev package provided for Precise is missing a critical
  bugfix in 1.10.2+ maintenance versions of MIT's Kerberos distribution
  which allows reverse DNS service principal name canonicalization to be
  disabled. The upstream ticket is here:

  http://krbdev.mit.edu/rt/Ticket/Display.html?id=7124

  In prior versions of libkrb5-dev, including the one currently
  available for Precise, the libkrb5.conf option `rdns=false` will have
  no effect.

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