collaborators

6 papers

cs.NI2025

Scanning the IPv6 Internet Using Subnet-Router Anycast Probing

Maynard Koch, Raphael Hiesgen, Marcin Nawrocki +2

Identifying active IPv6 addresses is challenging. Various methods emerged to master the measurement challenge in this huge address space, including hitlists, new probing techniques…

cs.NI2025

Waiting for QUIC: Passive Measurements to Understand QUIC Deployments

Jonas Mücke, Marcin Nawrocki, Raphael Hiesgen +6

QUIC experiences a rapid adoption since its standardization in 2021, and hypergiants configure their infrastructure to optimize for QUIC performance. In this paper, we introduce a…

cs.NI2025

A Detailed Measurement View on IPv6 Scanners and Their Adaption to BGP Signals

Isabell Egloff, Raphael Hiesgen, Maynard Koch +2

Scanners are daily visitors of public IPv4 hosts. Scanning IPv6 nodes successfully is still a challenge, which an increasing crowd of actors tries to master. In this paper, we anal…

cs.CR2024

A Call to Reconsider Certification Authority Authorization (CAA)

Pouyan Fotouhi Tehrani, Raphael Hiesgen, Thomas C. Schmidt +1

Certification Authority Authentication (CAA) is a safeguard against illegitimate certificate issuance. We show how shortcomings in CAA concepts and operational aspects undermine it…

cs.NI2024

ReACKed QUICer: Measuring the Performance of Instant Acknowledgments in QUIC Handshakes

Jonas Mücke, Marcin Nawrocki, Raphael Hiesgen +2

In this paper, we present a detailed performance analysis of QUIC instant ACK, a standard-compliant approach to reduce waiting times during the QUIC connection setup in common CDN…

cs.CR2024

The Age of DDoScovery: An Empirical Comparison of Industry and Academic DDoS Assessments

Raphael Hiesgen, Marcin Nawrocki, Marinho Barcellos +14

Motivated by the impressive but diffuse scope of DDoS research and reporting, we undertake a multistakeholder (joint industry-academic) analysis to seek convergence across the best…