After a bit of prompting via this slashdot story (also on The Register) about the UNIX DNS server BIND having a vulnerability, I decided to upgrade from BIND 8.3.3 to BIND 9. Apart from having to re-build the named.conf configuration file, it needed very little work to get running again. I also took to opportunity to start using ACL (Access Control Lists) in the configuration file to make things easier to read and to cut down and repetition.
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