Blogs

  • BIND 9.9 – why should you care?

    BIND 9.9 is a new release of the gold standard for DNS servers on the Internet. It builds on a tried and trusted platform that has been evolving and maturing over more than 10 years and has kept adding new powerful and useful features with each new release. In BIND 9.9 we have introduce several new features that can make

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  • TechWomen Mentor – The Power of Mentoring – Looking Forward

    I was so honored to participate in the TechWomen mentoring program in the summer of 2011. Meeting and working with my mentee, Sanae Baatti from Morocco, was a life changing experience. I wrote some about the TechWomen experience last summer. I was deeply honored as well, to travel to Morocco last fall with a state department sponsored TechWomen mentor and

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  • BIND 9.9.0b2 — a feature update

    Today, ISC is publishing a new beta release of BIND 9.9.0.  As several new features have been added since the feature preview I posted on the occasion of the first alpha release, it would seem to be a good time for an update. Inline signing The new ‘inline-signing’ option, in combination with the ‘auto-dnssec’ option that was introduced in BIND 9.7,

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  • Routing configuration over DHCPv6

    Currently the DHCPv6 protocol does not allow the provisioning of any routing-related information to hosts. A new proposal is addressing this shortcoming. The draft draft-ietf-mif-dhcpv6-route-option defines a mechanism for delivering routing information over the DHCPv6 protocol. This article explains core concepts and explains how to use the ISC DHCP software to deliver such information. A bit of history When the IPv6

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  • TechWoman in Marrakesh-an October ’11 update

    As I wrote in June (link to my last techwomen blog), I’ve been deeply honored this year to participate in the inaugural round of the TechWomen initiative, a program of the US State Department, as a technical mentor. This program brings technical women from the Middle East and North Africa to Silicon Valley for technical mentorships and also has brought

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  • Other Uses for Secure DNS

    Reprinted from ;login: The USENIX Magazine, vol. 36, no. 5 (Berkeley, CA: USENIX Associa- tion, 2011), pp. 13–16. Since the mid-1990s I’ve been a member of a distributed multi-generational team working to secure the Domain Name System. Many ideas and people have come and gone in the decade and a half since this work began, and the current work in

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  • Protecting Intellectual Property is Good; Mandatory DNS Filtering is Bad

    It has been about six months since I got together with four of my friends from the DNS world and we co-authored a white paper which explains the technical problems with mandated DNS filtering. The legislation we were responding to was S. 968, also called the PROTECT-IP act, which was introduced this year in the U. S. Senate. By all

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  • Origin ASN for Anycasted Services

    There is a new draft from the IETF GROW working group that attempts to standardize how Anycasted services manage their routing announcements.  The draft can be found at: ftp://ftp.rfc-editor.org/in-notes/internet-drafts/draft-ietf-grow-unique-origin-as-01.txt Before commenting directly on the draft a review of how ISC operates the F-Root Anycast network is in order. ISC maintains ASN 3557 which is used to originate the F-Root prefixes

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  • ISC BIND 9.9.0a1 — feature preview

    Yesterday afternoon, ISC published the first alpha release of BIND 9.9.0. This is an early technology preview, showing off some of the work we’ve been doing in BIND 9. There will be more new features added in later alpha releases, but here’s what’s ready to debut now… New Features The big new item in 9.9.0a1 is NXDOMAIN redirection.  This enables a

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  • UKNOF is 20…what next ?

    The 20th meeting of the UK Network Operators’ Forum will take place on Tuesday 6th September, hosted by Hewlett Packard at HP Labs in Bristol, and also sponsored by Arbor Networks. Our talk line-up this time includes presentations by ISC on Passive DNS and our new Knowledge Base, World IPv6 Day retrospectives, the BufferBloat project, IOS-XR experiences, BT’s LTE trial,

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  • DS-Lite architecture: overview and automatic configuration

    Dual Stack Lite is an architecture that allows IPv4 services to be provided in an IPv6 network, despite a limited amount of available IPv4 addresses. Work on DS-Lite was conducted within the Softwires working group in the IETF, and began in late 2008. After many revisions it was recently published as RFC6333, with its companion RFC6334 dedicated to automated configuration. Both

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  • ISC BIND 9.8.1b3 provides startup-performance improvements

    ISC BIND 9.8.1b3 is now available. BIND 9.8.1b3 is the third beta release of BIND 9.8. This document summarizes changes from BIND 9.8.0 to BIND 9.8.1b3.  Please see the CHANGES file in the source code release for a complete list of all changes. Download The latest versions of BIND 9 software can always be found on our web site at

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Last modified: February 22, 2016 at 1:27 pm