Bind : named stops serving recursive queries

Solution Unverified - Updated -

Environment

  • Red Hat Enterprise Linux (RHEL) v5.8
  • bind 9.3.6-20.P1.el5_8.1

Issue

named stops serving recursing queries.
After a while, the following appears in the logs :

recursive-clients soft limit exceeded, aborting oldest query

The issue sometimes disappears on its own, sometime restarting bind service is required

Resolution

Update to bind97-9.7.0-10.P2.el5_8.5 (from RHBA-2012-1597) or later.

Root Cause

* When authoritative servers did not return a Start of Authority (SOA) record,
the "named" daemon failed to cache and return answers. A patch has been
provided to address this issue and "named" is now able to handle such
under-performing servers correctly. (BZ#883402)

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