Four Vulnerabilities in Infrastructure Defense

“The basic underpinnings of the Internet — BGP, DNS, and SSL — we take for granted they were built in much friendlier times when friendly people wanted to communicate with friendly people. The Internet was built to be survivable, not trustable,” said John Pescatore, vice president and research fellow for Gartner Research. This quote was […]

DNS over IPv6: Lessons from the field

We have learned some lessons in the field about DNS over IPv6.  The other day, one of our clients called us asking for help with their configurations. They were doing some lab testing while working on their annual upgrade of our software. To give you some background, our customers normally certify each upgrade they intend […]

DNS Diversity

Every DNS administrator knows that you need to configure at least two recursive or authoritative DNS servers so that you can still provide service in case one fails. Many administrators also know that these servers ideally should be located in different data centers and utilize different networks so that DNS service will not be interrupted […]

Myths about IPv6

  It may surprise you, but IPv6 has been has been around for the past two decades, according to a post on IT Business Edge, “Ten Myths about IPv6” Here is a summary of those “10” most talked about IPv6 myths: IT’S NOT READY FOR PRODUCTION: The “new” protocol was started back in 1992 and standardized as […]

Are you ready for IPv6?

On June 6th, many major Web sites and Internet providers will begin supporting Internet Protocol version 6 (IPv6) full time. While the average internet user might not even notice, if you’re running a growing business you should prepare for this change. As an IPv6 article, by Stephen J. Vaughan-Nichols, explains, IPv4’s 32-bit 4.3 billion addresses […]

FCC Recommends Code of Conduct for ISPs

In an earlier blog we mentioned the recommendations made by the CSRIC (Communications Security, Reliability and Interoperability Council), a Federal Advisory Committee for the Federal Communications Commission (FCC), to improve Internet safety. This is a set of industry-wide best practices for ISPs and other organizations that operate critical infrastructure. The voluntary best practices outlined in […]