For the first time, respondents to Arbor Networks 7th annual Worldwide Infrastructure Security Report indicated they had observed IPv6 DDoS attacks on their networks. This marks a significant milestone in the arms race between attackers and defenders. As the chart below shows, network operators are concerned about having sufficient visibility and mitigation capabilities to protect [...]
Everyone is wondering when IPv6 will actually be deployed in earnest on the global Internet. While there are a handful of enterprises that have extensive internal IPv6 deployments, the ratio of IPv6 to IPv4 traffic in the global Internet is still very small (See “World IPv6 Day: Final Look and “Wagon’s Ho!”). I have a [...]
There are a lot of similarities between IPv4 and IPv6. There are also a lot of differences, including some differences that may have security implications for network engineers who deploy IPv6. In this blog posting, I will discuss IPv6 extension headers and why network and security engineers may want to pay closer attention to them. [...]