Network Operations

Tags: dns routing security rpki ipv4 ipv6 transfers bgp peering internet infrastructure ntp

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Introducing 'tdns': the Teachable Authoritative DNS Server

Introducing 'tdns': the Teachable Authoritative DNS Server

bert hubert

9 min read

tdns is part of the 'hello-dns' effort to provide a good entry point into DNS. tdns is small enough to read in one sitting and shows how DNS packets are parsed and generated.

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So Long Last /8 and Thanks For All the Allocations

So Long Last /8 and Thanks For All the Allocations

Rene Wilhelm

12 min read

On 17 April 2018, we allocated the last available block of 1,024 addresses in 185/8 - the last /8 we received from IANA back in 2011. This article looks at how this address space was allocated and how it is used today. It's important to keep in mind that while 185/8 is finished, we still have aroun…

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Securing DNS Across all of my Devices with Pi-Hole + DNS-over-HTTPS + 1.1.1.1

Securing DNS Across all of my Devices with Pi-Hole + DNS-over-HTTPS + 1.1.1.1

Scott Helme

10 min read

DNS is the protocol that makes the web work. It's how we convert easy to remember names like facebook.com into hard to remember IP addresses like 157.240.1.35 and others. Without it, the web wouldn't work but DNS has a problem, it's not secure.

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Does The Internet Route Around Damage in 2018?

Does The Internet Route Around Damage in 2018?

Emile Aben

6 min read

On the night of 9 April 2018, DE-CIX Frankfurt experienced an outage. As this is one of the largest Internet Exchange Points, this is an interesting case to study in more depth to see what we can learn about Internet robustness. We plan to update this article if new information/corrections flow in.

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Bang for the Buck: the Adoption of DNSSEC and Return on Investment

Bang for the Buck: the Adoption of DNSSEC and Return on Investment

Rene Bakker

11 min read

The current perspective on cyber security is still dominated by the technical nature of many security issues. Within the technical community there is consensus about the necessity of providing a secure DNS, guaranteeing integrity and authentication of the presented domain name. Although there are c…

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Making IXFR Small Again

Making IXFR Small Again

Matthijs Mekking

4 min read

At the recent IETF 101 hackathon, we worked on a project to reduce the size of incremental zone transfers (IXFRs) with some very interesting results.

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IETF 101 Liveblog

IETF 101 Liveblog

Gergana Petrova

40 min read

The 101st meeting of the Internet Engineering Task Force (IETF) runs from 17 - 23 March 2018 in London. RIPE NCC staff at the event will be live blogging key moments. See this page for regular updates on the issues, arguments and ideas discussed over the course of the meeting.

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The Avans Academy - Top of the Class in IPv6 Usage in the Netherlands

The Avans Academy - Top of the Class in IPv6 Usage in the Netherlands

Nathalie Trenaman

8 min read

Together with SURFnet we met with Harold van Ham and David Schrok, both active in the IPv6 team at the University of Applied Sciences in Breda and talked to them about the steps they took to deploy IPv6 in their network.

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