Oliver Gasser

Oliver Gasser is a Senior Researcher at the Max Planck Institute for Informatics leading the Internet Security Measurements research group.
His research focuses on leveraging Internet measurements to characterize aspects of security and network protocols. In 2019 he received his Ph.D. from the Technical University of Munich. You can contact him at oliver.gasser@mpi-inf.mpg.de.

News

Our paper "How Ready Is DNS for an IPv6-Only World?" has been awarded the PAM 2023 Best Paper Award.

March 2023

We have published BannerClick on GitHub—a tool to automatically interact with cookie banners.

February 2023

Three of our papers have been accepted to the PAM 2023 conference.

December 2022

Aniss Maghsoudlou presented our work on FlowDNS at the CoNEXT conference.

December 2022

Philipp Richter has written a nice post on the Akamai blog on our joint work analyzing scanning in the IPv6 Internet.

October 2022

Check out Zubair Sediqi's post on the APNIC blog on hyper-specific BGP prefixes.

September 2022

Selected publications

Download paper: Kirin: Hitting the Internet with Millions of Distributed IPv6 Announcements

Kirin: Hitting the Internet with Millions of Distributed IPv6 Announcements

Lars Prehn, Pawel Formeski, Oliver Gasser

arXiv preprint arXiv:2210.10676

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Download paper: How Ready Is DNS for an IPv6-Only World?

How Ready Is DNS for an IPv6-Only World?

Florian Streibelt, Patrick Sattler, Franziska Lichtblau, Carlos H. Gañán, Anja Feldmann, Oliver Gasser, Tobias Fiebig

Passive and Active Measurement Conference 2023   🏆 Best Paper Award

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Download paper: Characterizing the VPN Ecosystem in the Wild

Characterizing the VPN Ecosystem in the Wild

Aniss Maghsoudlou, Lukas Vermeulen, Ingmar Poese, Oliver Gasser

Passive and Active Measurement Conference 2023

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Download paper: Exploring the Cookieverse: A Multi-Perspective Analysis of Web Cookies

Exploring the Cookieverse: A Multi-Perspective Analysis of Web Cookies

Ali Rasaii, Shivani Singh, Devashish Gosain, Oliver Gasser

Passive and Active Measurement Conference 2023

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Download paper: FlowDNS: Correlating Netflow and DNS Streams at Scale

FlowDNS: Correlating Netflow and DNS Streams at Scale

Aniss Maghsoudlou, Oliver Gasser, Ingmar Poese, Anja Feldmann

ACM Conference on emerging Networking EXperiments and Technologies 2022

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Download paper: Illuminating Large-Scale IPv6 Scanning in the Internet

Illuminating Large-Scale IPv6 Scanning in the Internet

Philipp Richter, Oliver Gasser, Arthur Berger

ACM Internet Measurement Conference 2022

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Download paper: Deep Dive into the IoT Backend Ecosystem

Deep Dive into the IoT Backend Ecosystem

Said Jawad Saidi, Srdjan Matic, Oliver Gasser, Georgios Smaragdakis, Anja Feldmann

ACM Internet Measurement Conference 2022

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Download paper: Rusty Clusters? Dusting an IPv6 Research Foundation

Rusty Clusters? Dusting an IPv6 Research Foundation

Johannes Zirngibl, Lion Steger, Patrick Sattler, Oliver Gasser, Georg Carle

ACM Internet Measurement Conference 2022

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Download paper: Hyper-Specific Prefixes: Gotta Enjoy the Little Things in Interdomain Routing

Hyper-Specific Prefixes: Gotta Enjoy the Little Things in Interdomain Routing

Khwaja Zubair Sediqi, Lars Prehn, Oliver Gasser

ACM SIGCOMM Computer Communication Review, Volume 52, Issue 2

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Download paper: One Bad Apple Can Spoil Your IPv6 Privacy

One Bad Apple Can Spoil Your IPv6 Privacy

Said Jawad Saidi, Oliver Gasser, Georgios Smaragdakis

ACM SIGCOMM Computer Communication Review, Volume 52, Issue 2

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Download paper: SRv6: Is There Anybody Out There?

SRv6: Is There Anybody Out There?

Victor-Alexandru Pădurean, Oliver Gasser, Randy Bush, Anja Feldmann

International Workshop on Traffic Measurements for Cybersecurity 2022

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Download paper: A Longitudinal View at the Adoption of Multipath TCP

A Longitudinal View at the Adoption of Multipath TCP

Tanya Shreedhar, Danesh Zeynali, Oliver Gasser, Nitinder Mohan, Jörg Ott

arXiv preprint arXiv:2205.12138

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Download paper: Third Time's Not a Charm: Exploiting SNMPv3 for Router Fingerprinting

Third Time's Not a Charm: Exploiting SNMPv3 for Router Fingerprinting

Taha Albakour, Oliver Gasser, Robert Beverly, Georgios Smaragdakis

ACM Internet Measurement Conference 2021

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Download paper: A Year in Lockdown: How the Waves of COVID-19 Impact Internet Traffic

A Year in Lockdown: How the Waves of COVID-19 Impact Internet Traffic

Anja Feldmann, Oliver Gasser, Franziska Lichtblau, Enric Pujol, Ingmar Poese, Christoph Dietzel, Daniel Wagner, Matthias Wichtlhuber, Juan Tapiador, Narseo Vallina-Rodriguez, Oliver Hohlfeld, Georgios Smaragdakis

Communications of the ACM Research Highlights, Volume 64, Issue 7

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Download paper: From Single Lane to Highways: Analyzing the Adoption of Multipath TCP in the Internet

From Single Lane to Highways: Analyzing the Adoption of Multipath TCP in the Internet

Florian Aschenbrenner, Tanya Shreedhar, Oliver Gasser, Nitinder Mohan, Jörg Ott

IFIP Networking Conference 2021

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Download paper: Implications of the COVID-19 Pandemic on the Internet Traffic

Implications of the COVID-19 Pandemic on the Internet Traffic

Anja Feldmann, Oliver Gasser, Franziska Lichtblau, Enric Pujol, Ingmar Poese, Christoph Dietzel, Daniel Wagner, Matthias Wichtlhuber, Juan Tapiador, Narseo Vallina-Rodriguez, Oliver Hohlfeld, Georgios Smaragdakis

VDE ITG Symposium on Broadband Coverage in Germany 2021

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Download paper: A view of Internet Traffic Shifts at ISP and IXPs during the COVID-19 Pandemic

A view of Internet Traffic Shifts at ISP and IXPs during the COVID-19 Pandemic

Anja Feldmann, Oliver Gasser, Franziska Lichtblau, Enric Pujol, Ingmar Poese, Christoph Dietzel, Daniel Wagner, Matthias Wichtlhuber, Juan Tapiador, Narseo Vallina-Rodriguez, Oliver Hohlfeld, Georgios Smaragdakis

COVID-19 IAB Network Impacts Workshop 2020

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Download paper: The Lockdown Effect: Implications of the COVID-19 Pandemic on Internet Traffic

The Lockdown Effect: Implications of the COVID-19 Pandemic on Internet Traffic

Anja Feldmann, Oliver Gasser, Franziska Lichtblau, Enric Pujol, Ingmar Poese, Christoph Dietzel, Daniel Wagner, Matthias Wichtlhuber, Juan Tapiador, Narseo Vallina-Rodriguez, Oliver Hohlfeld, Georgios Smaragdakis

ACM Internet Measurement Conference 2020

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Download paper: Reserved: Dissecting Internet Traffic on Port 0

Reserved: Dissecting Internet Traffic on Port 0

Aniss Maghsoudlou, Oliver Gasser, Anja Feldmann

arXiv preprint arXiv:2004.03653

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Download paper: Prefix Top Lists: Gaining Insights with Prefixes from Domain-based Top Lists on DNS Deployment

Prefix Top Lists: Gaining Insights with Prefixes from Domain-based Top Lists on DNS Deployment

Johannes Naab, Patrick Sattler, Jonas Jelten, Oliver Gasser, Georg Carle

ACM Internet Measurement Conference 2019

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Download paper: DNS Observatory: The Big Picture of the DNS

DNS Observatory: The Big Picture of the DNS

Pawel Foremski, Oliver Gasser, Giovane C.M. Moura

ACM Internet Measurement Conference 2019

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Download thesis: Evaluating Network Security Using Internet-wide Measurements

Evaluating Network Security Using Internet-wide Measurements

Oliver Gasser

Ph.D. thesis at the Technical University of Munich 2019

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Download paper: The Rise of Certificate Transparency and Its Implications on the Internet Ecosystem

The Rise of Certificate Transparency and Its Implications on the Internet Ecosystem

Quirin Scheitle, Oliver Gasser, Theodor Nolte, Johanna Amann, Lexi Brent, Georg Carle, Ralph Holz, Thomas C. Schmidt, Matthias Wählisch

ACM Internet Measurement Conference 2018

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Download paper: Clusters in the Expanse: Understanding and Unbiasing IPv6 Hitlists

Clusters in the Expanse: Understanding and Unbiasing IPv6 Hitlists

Oliver Gasser, Quirin Scheitle, Pawel Foremski, Qasim Lone, Maciej Korczynski, Stephen D. Strowes, Luuk Hendriks, Georg Carle

ACM Internet Measurement Conference 2018

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Download paper: Measuring Adoption of Security Additions to the HTTPS Ecosystem

Measuring Adoption of Security Additions to the HTTPS Ecosystem

Quirin Scheitle, Taejoong Chung, Johanna Amann, Oliver Gasser, Lexi Brent, Georg Carle, Ralph Holz, Jens Hiller, Johannes Naab, Roland van Rijswijk-Deij, Oliver Hohlfeld, Dave Choffnes, Alan Mislove

Applied Networking Research Workshop 2018

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Download paper: A First Look at Certification Authority Authorization (CAA)

A First Look at Certification Authority Authorization (CAA)

Quirin Scheitle, Taejoong Chung, Jens Hiller, Oliver Gasser, Johannes Naab, Roland van Rijswijk-Deij, Oliver Hohlfeld, Ralph Holz, Dave Choffnes, Alan Mislove, Georg Carle

ACM SIGCOMM Computer Communication Review, Volume 48, Issue 2

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Download paper: In Log We Trust: Revealing Poor Security Practices with Certificate Transparency Logs and Internet Measurements

In Log We Trust: Revealing Poor Security Practices with Certificate Transparency Logs and Internet Measurements

Oliver Gasser, Benjamin Hof, Max Helm, Maciej Korczynski, Ralph Holz, Georg Carle

Passive and Active Measurement Conference 2018   🏆 Best Paper Award

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Download paper: Opportunities and Challenges of Ad-based Measurements from the Edge of the Network

Opportunities and Challenges of Ad-based Measurements from the Edge of the Network

Patricia Callejo, Conor Kelton, Narseo Vallina-Rodriguez, Rubén Cuevas, Oliver Gasser, Christian Kreibich, Florian Wohlfart, Ángel Cuevas

ACM Workshop on Hot Topics in Networks 2017

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Download paper: The Amplification Threat Posed by Publicly Reachable BACnet Devices

The Amplification Threat Posed by Publicly Reachable BACnet Devices

Oliver Gasser, Quirin Scheitle, Benedikt Rudolph, Carl Denis, Nadja Schricker, Georg Carle

Journal of Cyber Security and Mobility, Volume 6, Issue 1

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Download paper: Mission Accomplished? HTTPS Security after DigiNotar

Mission Accomplished? HTTPS Security after DigiNotar

Johanna Amann, Oliver Gasser, Quirin Scheitle, Lexi Brent, Georg Carle, Ralph Holz

ACM Internet Measurement Conference 2017   🏆 Community Contribution Award & IRTF Applied Networking Research Prize

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Download paper: Towards an Ecosystem for Reproducible Research in Computer Networking

Towards an Ecosystem for Reproducible Research in Computer Networking

Quirin Scheitle, Matthias Wählisch, Oliver Gasser, Thomas C. Schmidt, Georg Carle

ACM SIGCOMM Reproducibility Workshop 2017

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Download paper: HLOC: Hints-based Geolocation Leveraging Multiple Measurement Frameworks

HLOC: Hints-based Geolocation Leveraging Multiple Measurement Frameworks

Quirin Scheitle, Oliver Gasser, Patrick Sattler, Georg Carle

Network Traffic Measurement and Analysis Conference 2017   🏆 Best Dataset Award

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Download paper: Large-Scale Classification of IPv6-IPv4 Siblings with Variable Clock Skew

Large-Scale Classification of IPv6-IPv4 Siblings with Variable Clock Skew

Quirin Scheitle, Oliver Gasser, Minoo Rouhi, Georg Carle

Network Traffic Measurement and Analysis Conference 2017

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Download paper: Security Implications of Publicly Reachable Building Automation Systems

Security Implications of Publicly Reachable Building Automation Systems

Oliver Gasser, Quirin Scheitle, Carl Denis, Nadja Schricker, Georg Carle

International Workshop on Traffic Measurements for Cybersecurity 2017

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Download paper: Öffentlich erreichbare Gebäudeautomatisierung: Amplification-Anfälligkeit von BACnet und Deployment-Analyse im Internet und DFN

Öffentlich erreichbare Gebäudeautomatisierung: Amplification-Anfälligkeit von BACnet und Deployment-Analyse im Internet und DFN

Oliver Gasser, Quirin Scheitle, Carl Denis, Nadja Schricker, Georg Carle

DFN-Konferenz Sicherheit in vernetzten Systemen 2017

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Download paper: Carrier-Grade Anomaly Detection Using Time-to-Live Header Information

Carrier-Grade Anomaly Detection Using Time-to-Live Header Information

Quirin Scheitle, Oliver Gasser, Paul Emmerich, Georg Carle

arXiv preprint arXiv:1606.07613

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Download paper: Scanning the IPv6 Internet: Towards a Comprehensive Hitlist

Scanning the IPv6 Internet: Towards a Comprehensive Hitlist

Oliver Gasser, Quirin Scheitle, Sebastian Gebhard, Georg Carle

Traffic Monitoring and Analysis Workshop 2016

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Download paper: Digging for Dark IPMI Devices: Advancing BMC Detection and Evaluating Operational Security

Digging for Dark IPMI Devices: Advancing BMC Detection and Evaluating Operational Security

Oliver Gasser, Felix Emmert, Georg Carle

Traffic Monitoring and Analysis Workshop 2016

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Download paper: DoS Amplification Attacks – Protocol-Agnostic Detection of Service Abuse in Amplifier Networks

DoS Amplification Attacks – Protocol-Agnostic Detection of Service Abuse in Amplifier Networks

Timm Böttger, Lothar Braun, Oliver Gasser, Felix von Eye, Helmut Reiser, Georg Carle

Traffic Monitoring and Analysis Workshop 2015

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Download paper: Investigating the Nature of Routing Anomalies: Closing in on Subprefix Hijacking Attacks

Investigating the Nature of Routing Anomalies: Closing in on Subprefix Hijacking Attacks

Johann Schlamp, Ralph Holz, Oliver Gasser, Andreas Korsten, Quentin Jacquemart, Georg Carle, Ernst W. Biersack

Traffic Monitoring and Analysis Workshop 2015   🏆 Best Paper Award

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Download paper: Detektion und Prävention von Denial-of-Service Amplification Attacken – Schutz des Netzes aus Sicht eines Amplifiers

Detektion und Prävention von Denial-of-Service Amplification Attacken – Schutz des Netzes aus Sicht eines Amplifiers

Felix von Eye, Timm Böttger, Helmut Reiser, Lothar Braun, Oliver Gasser, Georg Carle

DFN-Konferenz Sicherheit in vernetzten Systemen 2015

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Download paper: A deeper understanding of SSH: Results from Internet-wide scans

A deeper understanding of SSH: Results from Internet-wide scans

Oliver Gasser, Ralph Holz, Georg Carle

IEEE/IFIP Network Operations and Management Symposium 2014

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Awards

PAM 2018 Best Paper Award

In Log We Trust: Revealing Poor Security Practices with Certificate Transparency Logs and Internet Measurements

IRTF Applied Networking Research Prize 2018

Mission Accomplished? HTTPS Security after DigiNotar

IMC 2017 Community Contribution Award

Mission Accomplished? HTTPS Security after DigiNotar

TMA 2017 Best Dataset Award

HLOC: Hints-Based Geolocation Leveraging Multiple Measurement Frameworks

Measurement services

IPv6 Hitlist Service

Get responsive IPv6 addresses from ongoing scans.

SNMPv3 Measurement Service

Get IPv4 and IPv6 addresses responding to SNMPv3.

MPTCP Measurement Service

Get IPv4 and IPv6 support for MPTCPv0 and MPTCPv1.

Hyper-specific Prefixes Measurement Service

Get HSP statistics for IPv4 and IPv6 in public BGP feeds.

DNS Observatory

Get access to most frequent queries and objects in the DNS.

Prefix Toplist

Find popular IP prefixes in the Internet.

Port 0 Measurement Service

Identify addresses responsive to port 0 probes.

Community service

Teaching

Master Course Computer Networks

Co-lecturer at TUM

Master and bachelor theses

Advisor and co-advisor of more than 40 theses at MPI-INF and TUM

Website inspired by Bala, Lars, Nitinder, Oliver, Ralph, Tanya; co-designed with Jan.