VPN providers are hijacking DNS

Are you thinking of using a VPN to bypass DNS hijacking by your ISP (as described in Redirecting DNS for Ads and Profit and Middleboxes considered harmful: DNS Edition)? Then think again. A new paper titled “A Glance through the VPN Looking Glass: IPv6 Leakage and DNS Hijacking in Commercial VPN clients” by Vasile Claudiu Perta, Read More

Raft Refloated in the morning paper

I am incredibly excited to announce that Raft Refloated will be featured in The Morning Paper, by Adrian, as part of a series of 10 posts on distributed consensus. Last month, the morning paper also featured our work on the Databox. Will the raft paper sink or swin? Let’s wait and see. Read More

3 Upcoming talks

I’ve just updated my Research pages with 3 upcoming talks. More details to follow, in particular the topic for the April talk at the Computer Lab, as I cannot reuse the topics from either of the other talks. “TBC” – Women@CL Talklet Series, University of Cambridge, April 2015 “Life on the Edge (Network)” – 2nd Oxbridge Read More

Closed gTLDs

Thinking of switching from .io to a proper gTLD like .dev ? think again Read More

DNS question: Avoiding circular dependencies without glue records?

Can someone help me the understand the following: When the authoritative name server for a domain (e.g. lies within the domain over which it has authority (e.g., a query (e.g. for to the parent domain (e.g. .com) will include both the NS RRs, to delegate authority of the domain to the nameservers, Read More

Comcast blocking

Today, people love to hate their ISPs, they have a public image problem. A great example of this when Comcast apparently blocking NASA’s website in 2012. In fact, Comcast was the only major US ISP to be using DNSSEC validating resolvers thus where the only ones affected when NASA’s website failed to properly sign their DNS responses. Read More

Talk & Poster @ 2nd Annual Oxbridge Women in Computer Science Conference

I’ve been accepted for a talk and a poster at the 2nd Annual Oxbridge Women in Computer Science Conference on 16th March 2015. My submitted abstract is here. Read More

We’re coming to letter box near you

The January edition of the Operating System Review is now out, look out for “Raft Refloated: Do We Have Consensus?”. Also available without dead trees. Read More

Squashing git commits

to squash the last n commits (e.g 37) into one git reset –soft HEAD~37 && git commit –edit -m”$(git log –format=%B –reverse HEAD..HEAD@{1})” git push -f source:, thanks david Read More

Personal Data: Thinking Inside the Box

Our first paper on the Databox, a personal, networked service that collates personal data and can be used to make those data available is now available (open access) on arXiv. Enjoying reading it and let me know what you think. Title: Personal Data: Thinking Inside the Box Authors: Hamed Haddadi, Heidi Howard, Amir Chaudhry, Jon Read More

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