Blogs

Last modified: January 30, 2014
  • 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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