Introducing Regional Services
June 26, 2020 11:00 AM
Cloudflare launches Regional Services, giving customers control over where their data is processed....
Is BGP Safe Yet? No. But we are tracking it carefully
April 17, 2020 3:00 PM
BGP leaks and leaks and hijacks have been accepted as an unavoidable part of the Internet for far too long. Today, we are releasing isBGPSafeYet.com, a website to track deployments and filtering of invalid routes by the major networks....
RPKI and the RTR protocol
March 03, 2020 2:00 PM
Today’s Internet requires stronger protection within its core routing system and as we have already said: it's high time to stop BGP route leaks and hijacks by deploying operationally-excellent RPKI!...
The deep-dive into how Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Monday
June 26, 2019 10:22 PM
On Monday we wrote about a painful Internet wide route leak. We wrote that this should never have happened because Verizon should never have forwarded those routes to the rest of the Internet. Today we will dive into the archived routing data and analyze it....
How Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Today
June 24, 2019 7:58 PM
Today at 10:30UTC, the Internet had a small heart attack. A small company in Northern Pennsylvania became a preferred path of many Internet routes through Verizon (AS701), a major Internet transit provider. ...
MORE POSTS
June 16, 2019 5:07 PM
Welcome to Crypto Week 2019
The Internet is an extraordinarily complex and evolving ecosystem. Its constituent protocols range from the ancient and archaic (hello FTP) to the modern and sleek (meet WireGuard), with a fair bit of everything in between. ...
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February 24, 2019 5:00 PM
Cloudflare’s RPKI Toolkit
A few months ago, we made a first then a second announcement about Cloudflare’s involvement in Resource Public Key Infrastructure (RPKI), and our desire to make BGP Internet routing more secure....
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November 15, 2018 5:22 PM
How a Nigerian ISP Accidentally Knocked Google Offline
Last Monday evening — 12 November 2018 — Google and a number of other services experienced a 74 minute outage. Incidents like this only serve to demonstrate just how much frailty is involved in how packets get from one point on the Internet to another....
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September 19, 2018 12:01 PM
RPKI and BGP: our path to securing Internet Routing
This article will talk about our approach to network security using technologies like RPKI to sign Internet routes and protect our users and customers from route hijacks and misconfigurations....
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September 19, 2018 12:00 PM
RPKI - The required cryptographic upgrade to BGP routing
We have talked about the BGP Internet routing protocol before. We have talked about how we build a more resilient network and how we can see outages at a country-level via BGP. We have even talked about the network community that is vital to the operation of the global Internet....
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April 24, 2018 10:31 PM
BGP leaks and cryptocurrencies
Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak....
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September 07, 2017 8:58 PM
The Story of Two Outages
Over the last two days, Cloudflare observed two events that had effects on global Internet traffic levels. Cloudflare handles approximately 10% of all Internet requests, so we have significant visibility into traffic from countries and networks across the world....
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February 02, 2017 12:15 PM
NANOG - the art of running a network and discussing common operational issues
The North American Network Operators Group (NANOG) is the loci of modern Internet innovation and the day-to-day cumulative network-operational knowledge of thousands and thousands of network engineers....
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June 21, 2016 6:03 AM
A Post Mortem on this Morning's Incident
We would like to share more details with our customers and readers on the internet outages that occurred this morning and earlier in the week, and what we are doing to prevent these from happening again....
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February 04, 2015 2:16 PM
Path MTU discovery in practice
Last week, a very small number of our users who are using IP tunnels (primarily tunneling IPv6 over IPv4) were unable to access our services because a networking change broke "path MTU discovery" on our servers. ...
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October 02, 2014 4:44 PM
Route leak incident on October 2, 2014
Today, CloudFlare suffered downtime which caused customers’ sites to be inaccessible in certain parts of the world....
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May 07, 2013 2:13 PM
How Syria Turned Off the Internet (Again)
Today at 18:48 UTC, Syria dropped off the Internet. Based on the data we collect from our network, as well as reports from other organizations monitoring network routes, it appears that someone systematically withdrew the BGP. ...
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March 03, 2013 1:47 PM
Today's Outage Post Mortem
This morning at 09:47 UTC CloudFlare effectively dropped off the Internet. The outage affected all of CloudFlare's services including DNS and any services that rely on our web proxy....
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November 29, 2012 8:13 PM
How Syria Turned Off the Internet
Today, 29 November 2012, between 1026 and 1028 (UTC), all traffic from Syria to the rest of the Internet stopped. At CloudFlare, we witnessed the drop off. We've spent the morning studying the situation to understand what happened. ...
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