Bind patches are out, (Thu, May 20th)
Several versions of Bind were updated with patches this morning. The patches, according to the release notes found here, read as follows:
Named could return SERVFAIL for negative responses from unsigned zones.
So if you are running Bind, be sure and update here.
-- Joel Esler | http://blog.joelesler.net | http://twitter.com/joelesler
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