Network Operations

A RIPE Atlas View of Internet Meddling in Turkey

Emile Aben

• 31 Mar 2014

• 5 min read

In RIPE Atlas we see latencies to Google's 8.8.8.8 DNS resolver service drop in Turkey. We expect this is due to hijacking of the 8.8.8.8 service. Our measurements show a timeline of these events. Note that even when the Twitter ban had been lifted, RIPE Atlas still saw fake 8.8.8.8 DNS service…

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7

An Updated DNS Monitoring Service

Fatemah Mafi

• 18 Mar 2014

• 4 min read

Since 2003, the RIPE NCC’s DNS Monitoring Service (DNSMON), has been providing a comprehensive, objective, and up-to-date overview on the quality of the service offered by TLD and other DNS operators. Due to technical advancements and in line with our aim to provide consolidated services, we are in…

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3

Implementing 2012-07 in the RIPE Database

Xavier Le Bris

• 12 Mar 2014

• 4 min read

This article describes the implementation of policy 2012-07 as it relates to the RIPE Database.

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Proposed Implementation for 2012-07, "RIPE NCC Services to Legacy Internet Resource Holders"

Nikolas Pediaditis

• 12 Mar 2014

• 7 min read

The recently accepted RIPE Policy Proposal 2012-07, “RIPE NCC Services to Legacy Internet Resource Holders” defines a framework for the RIPE NCC to offer registry services to legacy Internet resource holders. This article details how we propose to implement this framework.

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Network Anomaly Detection – Survey Evaluation

Jan Rejchrt

• 3 Mar 2014

• 5 min read

We wanted to find out what network security experts think about network anomalies. We created a short web survey in order to map opinions of network professionals. In this article we describe the results.

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RPKI Routing Policy Decision-Making - a SURFnet Perspective

Jac Kloots

• 28 Jan 2014

• 11 min read

Before we decide to implement a stricter operational practices, we needed to find out how many routes with invalid origins are actually being used and how much traffic is exchanged using those routes. Please find the results below.

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NTP Reflections

Mirjam Kühne

• 22 Jan 2014

• 13 min read

After the recent amplification attacks involving NTP servers, John Kristoff, a researcher with Team Cymru, kindly agreed to publish an analysis of the history and timeline leading up to the attacks. Please find his contribution below.

security

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The Many Instances of the L-root Name Server

Stéphane Bortzmeyer

• 20 Jan 2014

• 7 min read

The techniques used by the L-root DNS server are documented in RFC 7108 "A Summary of Various Mechanisms Deployed at L-Root for the Identification of Anycast Nodes". These techniques can be used by the RIPE Atlas probes to find the instance of L-root they are talking to.

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How Many RIPE Atlas Probes Can Resolve IPv6-only Domain Names?

Stéphane Bortzmeyer

• 13 Jan 2014

• 6 min read

Each RIPE Atlas probe has at least one DNS resolver, indicated by a DHCP reply on the local network of the probe. Irrespective of the IP address of the resolver, this server may have IPv4 and IPv6 connectivity or only IPv4 connectivity. What is the percentage among RIPE Atlas probes?

dns
ipv6
tools
atlas
+2
+1

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Infrastructure Geolocation - Plan of Action

Emile Aben

• 19 Dec 2013

• 7 min read

At RIPE 67 we presented our ideas on infrastructure geolocation. We received positive feedback for developing this idea. This article shows the current thinking on how to develop router geolocation further. Any feedback will be appreciated.

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