Does Your Certificate Authority (CA) Support IPv6?
IPv6 adoption has been growing exponentially and the protocol is now supported in all modern operating systems and by many carriers. It used to be that cloud service providers lacked IPv6 connectivity, but now Amazon AWS and Microsoft Azure have solid IPv6 connectivity and configurability. CDN providers have also deployed IPv6 for their accelerated and […]
Securing Open DNS Resolvers Against Denial of Service Attacks
The Domain Name System (DNS) has been the target of many types of attacks in recent years. Authoritative DNS servers are exposed to the Internet and generally allow queries from all IP addresses. However, DNS resolvers are typically internal to an organization and allow queries only from the internal clients they serve. DNS resolvers that […]
