Blogs

  • New Opportunities for Criminal Growth – Forecasting Cyber-Crime during the IPv6 Transition

     I had the fortunate opportunity to present the Wednesday Keynote at the Rocky Mountain 2011 IPv6 Summit.  The session was a slightly different angle to the normal “IPv6” presentations. We worked through how the cyber-criminal dynamics impact IPv4 networks, the cyber-criminal “arms race” is pushing IPv6 in the criminal market place, and how these factors must be considered in IPv6

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  • ISC DHCP and IPv6 – the DHCPv6 story

    Numbering Computers in IPv6 Computers and other IPv6-enabled devices need a way to select which IP address they are using, just like in IPv4. IPv6 provides several ways to do this: Manual configuration Autoconfiguration (Stateless Address Autoconfiguration, or SLAAC) Cryptographically Generated Addresses (CGA) DHCPv6 (sometimes called stateful autoconfiguration) Manual configuration works the same in IPv6 as in IPv4 – the

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  • Sign up now to learn how Security Information Exchange (SIE) & Passive DNS are changing the way investigators are effectively collaborating.

    Robert Edmonds, Eric Ziegast, Barry Greene The Security Information Exchange (SIE) and ISC’s Passive DNS System (DNSDB) are public benefit projects that are contributing to a shift in the way security companies work with each other. Please sign up now for one of two webinars on March 29th, 2011 (click here). In this webinar, we will: Provide an Overview of

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  • Blocking DNS

    COICA and Secure DNS Update: This article from March 2011 was superceded in some details by a article published in August 2011. If you reached this blog entry as a result of the SOPA markup meeting December 15 2011, you should read both articles. As a strong proponent of the private right of action for all Internet endpoints and users, I’ve long

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  • RTT Banding Removal From BIND 9

    In response to our customers and colleagues, ISC has chosen to remove the RTT Banding feature from BIND 9, starting with BIND 9.8.0. Other supported versions will have RTT Banding removed in their next releases. BIND 9.8.0 is scheduled to go out on March 1st, 2011. 9.8.1 will follow around a month later. Before Banding Prior to implementing RTT Banding,

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  • But Open Source Software is unsupported. Isn’t it?

    Open Source is not unsupported It’s a common misconception that open source software means it’s unsupported, that if you want to have 7×24 support you have to buy commercial software. Nothing could be further from the truth. The reality is that open source software is written by professional coders, is fully production quality and support is available. The major difference between

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  • An Ending and An Opportunity

    A new milestone in the history and evolution of the Internet has passed: On Thursday, February 3, 2011, it was announced that the Internet Assigned Numbers Authority (IANA), steward of the Internet’s reserves of unassigned IP addresses, has distributed the final blocks of IPv4 addresses to the Regional Internet Registries (RIRs). The RIRs, based in North America, Europe, Asia, South

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  • DNSSEC and “lazy delegation”

    Prior to deploying DNSSEC it has been possible to perform something I’m calling “lazy delegation.” This is when a parent and direct child are served from the same name servers, so NS records in the parent are unnecessary in practice. While consulting with various clients about how to best deploy their DNSSEC, this is a common discovery. Often times someone

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  • Preparing for a world consisting of larger DNS responses.

    While many of you know ISC as the maintainer of the BIND DNS server software, we have always had our hand in the DNS operations field, including operating one of the 13 DNS root servers (F.ROOT-SERVERS.NET), as well as secondaring many ccTLD and non-commercial zones for over a decade. ISC has also been at the forefront of designing and implementing

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  • How to connect to a multi-homed server over TCP

    With the world wide deployment of IPv6 in parallel with IPv4, it has become apparent that a traditional connection loop is no longer good enough. In fact, this is a large part of the reason why Google is white listing resolvers and Yahoo only wants to return to AAAA records to DNS queries made over IPv6.  The traditional connection loop

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  • Technology Leadership for the Common Good

    “I am relieved.”  That lovely double entendre is what Captain Pike said to Captain Kirk at the end of last summer’s most excellent reboot of the Star Trek series. I am likewise relieved to have been relieved of my long time post as President of ISC by my good friend and long associate Barry Greene. I continue at ISC as

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  • Implementing IPv6 is no longer optional

    The exhaustion of IPv4 space from IANA is coming as soon as February (yes, next month!) and the reserve held by the RIRs will be running dry shortly thereafter. The ability to provide (and use) IPv6 infrastructure is no longer optional; it is a requirement. ISC, unlike others who may talk the talk in regard to IPv6 experience, has been

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Last modified: November 1, 2016 at 1:25 pm