DNS Security Still an Issue

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DNS security is a decades-old issue that shows no signs of being fully resolved. Here’s a quick overview of some of the problems with proposed solutions and the best way to move forward.

After many years of availability, DNSSEC has yet to attain significant adoption, even though any security expert you might ask recognizes its value. As with any public key infrastructure, DNSSEC is complicated. You must follow a lot of rules carefully, although some network services providers are trying to make things easier.

But DNSSEC does not encrypt the communications between the DNS client and server. Using the information in your DNS requests, an attacker between you and your DNS server could determine which sites you are attempting to communicate with just by reading packets on the network.

So despite best efforts of various Internet groups, DNS remains insecure. Too many roadblocks exist that prevent the Internet-wide adoption of a DNS security solution. But it is time to revisit the concerns.

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