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How Syria Turned Off the Internet (Again)

Published on May 07, 2013 04:13PM by Matthew Prince.

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 (Border Gateway Protocol) routes from the country's border routers. This is the ...

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View Comments | Tagged with bgp, cyberwar, network, outage, syria

Today's Outage Post Mortem

Published on March 03, 2013 01:47PM by Matthew Prince.

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 ...

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View Comments | Tagged with bgp, outage, postmortem, routing

How Syria Turned Off the Internet

Published on November 29, 2012 08:13PM by Matthew Prince.

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. The following graph shows the last several days of traffic coming ...

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View Comments | Tagged with bgp, cyberwar, network, outage, syria

Why Google Went Offline Today and a Bit about How the Internet Works

Published on November 06, 2012 09:09AM by Tom Paseka.

Today, Google's services experienced a limited outage for about 27 minutes over some portions of the Internet. The reason this happened dives into the deep, dark corners of networking. I'm a network engineer at CloudFlare and I played a small part in helping ensure Google came back online ...

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View Comments | Tagged with bgp, google, network, outage, savetheweb

Today's Outage Post Mortem

Published on May 02, 2012 10:41PM by Matthew Prince.

CloudFlare had an outage across much of our network today. The outage began at 20:19 (GMT). It affected approximately 75% of traffic to CloudFlare's network. The length of time for the outage varied depending on region, but the maximum period of downtime was approximately 15 minutes. I wanted ...

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View Comments | Tagged with bgp, hongkong, outage, postmortem, routing

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