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Luuk is a research engineer at NLnet Labs, focusing on measurements and analyses of core Internet protocols.
Website: https://blog.luukhendriks.eu
• 16 min read
In this instalment of our Journeying into XDP series, we look into a passive BPF-program that enables us to plot graphs of DNS metrics without altering the DNS packets or touching the DNS software itself.
• 6 min read
NLnet Labs recently launched their first version of JDR, a tool for checking anything in the RPKI. While not yet 100% feature complete, JDR offers useful insights to operators and implementors. In this article, Luuk Hendriks talks about the mechanics and goals of the tool and calls for feedback to …
• 13 min read
Network programming using XDP has been on our radar (and if you are reading this, possibly on yours too!) for a while now. As tooling around this technology has vastly improved, we decided that it was time to finally get our hands dirty and see what this technology is all about.
• 9 min read
Open DNS resolvers that answer queries coming from anyone have been the main component of a large number of DDoS attacks in recent years.
• 4 min read
SSHCure is an Intrusion Detection System for SSH, developed at the University of Twente. It allows analysing large amounts of flow data and is the first IDS capable of identifying actual compromises. Being deployed in various networks, ranging from small Web-hosting companies to nation-wide backb…
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