Concise Guide to DNS and BIND, The

About Security

Network and computer security used to be an obscure subject. These days, though, anyone administering computers and network services should have some knowledge of it to do their job properly. This is especially true for DNS administrators because of the key role DNS plays on the network.

Some years ago, it was not uncommon to run BIND unprotected on firewalls and other critical machines because BIND was thought to be a safe program. But that was before stack overruns and other powerful exploit methods became commonplace. Security mailing lists, such as Bugtraq, now announce such attacks weekly if not several times daily (but to be fair, not very often against BIND), often with code to demonstrate the weakness. These days, no software ...