Based in Dresden, Germany
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I am a PhD student and research associate at the Chair of Distributed and Networked Systems at TU Dresden, supervised by Prof. Dr. Matthias Wählisch. Before joining TU Dresden, I graduated with a BSc and MSc in Computer Science from Freie Universität Berlin. My research focuses on Internet measurements to improve network security. I'm particularly interested in DNS and scalable IPv6 scanning.
• 9 min read
Brute-force IPv6 scanning doesn't scale, and ICMPv6 rate limiting can undermine topology measurements. Maynard Koch and colleagues show how Subnet-Router Anycast (SRA) probing discovers more router addresses, delivers more stable results, and expands the IPv6 measurement toolbox.
• 5 min read
Routing loops can trap packets between routers, preventing them from reaching their destination. In some cases, routers even duplicate looping packets, amplifying traffic and threatening Internet stability. We look at how this happens and how operators can prevent it.
• 10 min read
DNS infrastructure is infamous for facilitating reflective amplification attacks. Countermeasures such as server shielding, access control, rate limiting and protocol restrictions have improved the situation, but DNS-based reflective amplification attacks persist. Focusing on the threat vector intr…
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