Network Operations

The Trouble with NAT - Part 3

Mirjam Kühne

• 27 Oct 2016

• 6 min read

This is the final post in a series on Network Address Translation (NAT), provided by Mark Smith. In this post, Mark discusses the fundamental constraints of NAT and addresses some FAQs about IPv6 without NAT.

ipv6
ipv4

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The Trouble with NAT - Part 2

Mirjam Kühne

• 27 Oct 2016

• 12 min read

This is the second post in a series on NATs contributed by Mark Smith, based on a presentation given at AusNOG 2016. In the first post, Mark discussed Network Critical Success Factors (NCSFs). In this post, he is going into details about the trouble with Network Address Translation (NAT).

ipv6
ipv4

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The Trouble with NAT - Part 1

Mirjam Kühne

• 27 Oct 2016

• 7 min read

This is a guest post by Mark Smith, based on a presentation he gave at the AusNOG 2016 conference on this topic. This is the first post of three, and in this article Mark will discuss the concept of Network Critical Success Factors (NCSFs) before getting into ‘the trouble’.

ipv6
ipv4

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A Quick Look at the Attack on Dyn

Massimo Candela

• 24 Oct 2016

• 6 min read

We used a number of RIPE NCC tools and data sets to take a quick look at the recent DDoS attack on Dyn’s infrastructure. We wanted to see if this could be found in the data produced by the RIPE Atlas community.

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IPv6 and the DNS

Geoff Huston

• 20 Oct 2016

• 19 min read

The exhortations about the Internet’s prolonged transition to version 6 of the Internet Protocol continue, although after some two decades the intensity of the rhetoric has faded and, possibly surprisingly, it has been replaced by action in some notable parts of the Internet. But how do we know the…

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Orange Blacklisting: A Case for Measuring Censorship

Stéphane Bortzmeyer

• 19 Oct 2016

• 2 min read

On 17 October 2016, a website hosted by the French Ministry of the Interior went offline when a large number of customers of the Internet service provider, Orange, were redirected to the site. The problem occurred after Google, Wikipedia and cloud provider OVH were mistakenly placed on a terrorism …

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Defending the Olympics from DDoS

Mirjam Kühne

• 18 Oct 2016

• 7 min read

Please read this guest post by Tony Scheid about fighting Distributed Denial of Service (DDoS) attacks during the Olympics in Rio de Janeiro.

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Supporting IPv6 Deployment Through Policy

Marco Schmidt

• 11 Oct 2016

• 4 min read

It was about one year ago that the RIPE community reached consensus on a policy proposal that introduced additional criteria for initial IPv6 allocations. We thought it was time to look back at the origins of this proposal and see how the change has worked out since.

ipv6
policy

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DNSSEC and ECDSA

Geoff Huston

• 6 Oct 2016

• 22 min read

Is the elliptical curve cryptographic algorithm (ECDSA) a viable crypto algorithm for use in DNSSEC today? And what has changed over the last two years?