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RISLive-spikes

Minimising RIS Live Delays

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Oleg Muravskiy

7 min read

It has been almost 3 years since we promoted RIS Live to a full production service. Its biggest advantage is that it delivers RIS data in real time, with minimal delays from the RIS collectors to our users. We had received a lot of positive feedback about the service, however, we were still wonderi…

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stay_alive

Staying Alive - What Is TTL and Why Is It Important for Your DNS Setup?

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Lars-Johan Liman

6 min read

If you know about DNS, you've probably heard of the Time-to-Live (TTL) field. But mistakes with TTL are more common than you might think. Here we look at the quirks of DNS record sets, parent/child domains and how to avoid TTL problems.

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secure

Production Deployment of TCP Authentication Option

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Andrew Gallo

3 min read

The George Washington University recently deployed Transmission Control Protocol Authentication Option (TCP-AO) after a recent code upgrade on its border routers. This further enhances BGP security features already in place on our network.

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security

Is It Possible for Encryption to Harm Cybersecurity?

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Andrew Campling

10 min read

This article provides an update on developments in encrypted DNS and related protocols and their potential impact on cybersecurity. In particular, it highlights how applications are making it increasingly difficult for both enterprises and consumers to monitor their in-bound and out-bound communica…

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Photo by Valeria Fursa on Unsplash

PeeringDB 2022 User Survey

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Leo Vegoda

2 min read

PeeringDB wants input from everyone who uses our interconnection database. Our anonymous survey is now open until 23:59 UTC on 16 October 2022. We would like your feedback to help us make PeeringDB more useful to everyone involved in connecting networks.

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elephant_ball

The Elephant Effect - Considerations on Live Streaming Italy's Serie A Championship

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Flavio Luciani

11 min read

For the first time in Italy, a major event - the Serie A football championship - is being broadcast exclusively via the Internet. In this article, we share some considerations the phenomenon of streaming football in Italy, looking at things from the operator’s point of view

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Threat Integration: Lessons of Indicator and Incident Exchange

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Kathleen Moriarty

10 min read

Integration of shared indicators of compromise is very difficult when the responsibility is distributed out to organisations who are then left with the task of turning those indicators into defensive actions or blocking rules. In this article, Kathleen Moriarty shares lessons learned for indicator …

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ooni

Measuring Encrypted-DNS Censorship Using OONI Probe

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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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ipv6

Deploying IPv6-Mostly Access Networks

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Ondřej Caletka

8 min read

Dual stack is the most common way of deploying IPv6 in access networks. A recent standard defines IPv6-mostly access networks, providing IPv4 connectivity only for legacy devices while allowing modern devices to run IPv6-only. It is already well supported and allows network operators to gradually p…

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Journeying into XDP: Part 0

Journeying into XDP Part 2: XDPerimenting with DNS Telemetry

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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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