• IPv6 DNS Queries: A Work in Progress

    Scott Hogg  |  June 15, 2017
    Imagine what it was like to be an ancient mariner navigating the ocean blue at night using nothing more than stars, a sextant and a marine chronometer.  Thankfully, navigating the Internet is not as daunting.  The method that networked... Read more
  • Why Router-Based DHCP Won’t Work With IPv6

    Scott Hogg  |  September 17, 2014
    There are many enterprise companies who are still using DHCP for IPv4 on their routers/switches.  This is typically done by the network administrator who needs to get a DHCP capability up and running quickly but does not have access to a... Read more
  • Improved TLS / SSL Security with DANE

    Scott Hogg  |  April 22, 2014
    You may be familiar with the benefits of using DNSSEC to provide authentication and integrity for your DNS information.  DNSSEC is a lot like dental floss: we all know that it is good for our health, but few enterprise organizations... Read more
  • Improved Network Security through DNS Inspection (Pt. 1)

    Scott Hogg  |  March 3, 2014
    Virtually all networked applications use Internet Protocol (IP) communications and rely extensively on the Domain Name System (DNS) to determine the IP address to connect. DNS provides the mapping of human-readable fully-qualified host names... Read more
  • Improved Network Security through DNS Inspection (Pt. 2)

    Scott Hogg  |  February 19, 2014
    In the previous blog post on DNS traffic inspection we covered how attackers target DNS systems. Attackers use Fast-Flux DNS techniques to rapidly change the server's hosting malware. Attackers control malware to change the DNS behavior on... Read more