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Push the Button: SIDN Lab's DDoS Testbed in Action at CONCORDIA Open Door 2022

Push the Button: SIDN Lab's DDoS Testbed in Action at CONCORDIA Open Door 2022

Thijs van den Hout

7 min read

Over the past months, SIDN Labs have been improving the testbed they developed for the DDoS Clearing House. At the CONCORDIA Open Door event (COD2022) this October, they'll demonstrate how the testbed works as part of the CONCORDIA Threat Intelligence Platform. The team look at the latest changes t…

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240/4 As Seen by RIPE Atlas

240/4 As Seen by RIPE Atlas

Qasim Lone

11 min read

In this article we use data from RIPE Atlas probes to investigate the usage of 240/4, a block of IPv4 addresses 'reserved for future use', formally known as Class E in the wild.

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Competition: Environmental Impact of Open-source (23 September 2022)

Competition: Environmental Impact of Open-source (23 September 2022)

Max Schulze

3 min read

The Sustainable Digital Infrastructure Alliance e.V. (SDIA) and the German Environmental Protection Agency (UBA) invite the open-source community to spend an afternoon measuring and reducing the environmental impact of popular open-source libraries and tools. Together we hope to make a positive con…

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Measuring Encrypted-DNS Censorship Using OONI Probe

Measuring Encrypted-DNS Censorship Using OONI Probe

Simone Basso

13 min read

In this article we talk through the preliminary results of an encrypted-DNS censorship study currently being conducted by the Open Observatory Network Interference (OONI).

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Journeying into XDP Part 2: XDPerimenting with DNS Telemetry

Journeying into XDP Part 2: XDPerimenting with DNS Telemetry

Luuk Hendriks

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.

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Computing Within Limits 2022 Event Wrap

Computing Within Limits 2022 Event Wrap

Vesna Manojlovic

7 min read

Environmental sustainability is a hugely worrisome topic for the Internet industry - and as a Community Builder for the RIPE community, I find it important to engage with the academics and activists who both share our concerns and can contribute in our governance processes. Here is a look back to t…

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Where Did My Packet Go? Measuring the Impact of RPKI ROV

Where Did My Packet Go? Measuring the Impact of RPKI ROV

Koen van Hove

9 min read

Merely doing RPKI ROV does not provide any guarantees where your packet ends up. We conducted an experiment where we look into the impact of RPKI ROV on whether the packet ends up in the intended location based on active beaconing with two servers.

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Stalloris: RPKI Downgrade Attack

Stalloris: RPKI Downgrade Attack

Haya Schulmann

6 min read

Our research considers the impact of malicious publication points on the resilience of RPKI. We explored attacks that target the functionality of the relying party implementations and evaluated the resulting impact on the RPKI validation. We found all the relying party implementations to be vulnera…

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Dealing with the Undercurrent of Unwanted Traffic

Dealing with the Undercurrent of Unwanted Traffic

Leslie Daigle

6 min read

It’s common knowledge that there are “bad actors” on the Internet, poking and prodding open ports as they find them. But just how much of this “unwanted traffic” is out there, and how much is “too much” to allow out of a source network?

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Unpacking RFC 9199: Considerations for Large Authoritative Server Operators

Unpacking RFC 9199: Considerations for Large Authoritative Server Operators

Giovane Moura

10 min read

RFC 9199 puts forward six considerations for large authoritative DNS server operators each derived from peer-reviewed research. Giovane Moura from SIDN Labs walks us through the list of considerations and the experience he and his co-authors had with the RFC process.

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