03/07/2013

We've mentioned before that we're using Go internally for projects such as Railgun (and a new DNS server and SSL infrastructure amongst other things). ...

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  John Graham-Cumming

03/06/2013

CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service. ...

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  Matthew Prince

03/03/2013

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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  Matthew Prince

02/28/2013

When we talk about international expansion we're usually talking about adding data centers around the world. The last one we added was in Seoul, South Korea....

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  John Graham-Cumming

02/27/2013

Yesterday, we announced that 30 of the world's largest hosting providers are now supporting CloudFlare's Railgun WAN optimization technology. ...

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  Matthew Prince

02/26/2013

Over the next few days we have a number of announcements regarding CloudFlare's Railgun technology. We wanted to begin, however, with what is in some ways the end: the ways in which you can take advantage of Railgun yourself....

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  Matthew Prince

02/22/2013

This has been a rough week in the security industry with big attacks and compromises reported at companies from Facebook to Apple. ...

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  Matthew Prince

02/14/2013

CloudFlare's I'm Under Attack Mode (IUAM) is elegantly simple. When a site is under an application layer (Layer 7) distributed denial of service (DDoS) attack, the mode will return a challenge page to a visitor. ...

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  Matthew Prince

02/08/2013

You may have heard that Facebook took down a significant portion of the Internet today. A bug in their Facebook Connect script caused users to be redirected to a Facebook error page....

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  Matthew Prince

02/04/2013

CloudFlare often gets early word of new vulnerabilities before they are released. Last week we got word that today (Monday, February 4, 2013) there would be a new SSL vulnerability announced. ...

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  Matthew Prince

02/01/2013

CloudFlare makes caching easy. Our service automatically determines what files to cache based on file extensions. Performance benefits kick in automatically....

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  Michelle Zatlyn

01/18/2013

Last night I gave a short presentation about how to use CloudFlare with WordPress sites to about 60 people attending the WordPress London Meetup. CloudFlare was happy to be sponsor of the event providing drinks, beers and lots and lots of pizza. The meetup was held at the Google Campus....

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  John Graham-Cumming

01/17/2013

CloudFlare is heading to Parallels Summit in Las Vegas on Monday, February 4th to Wednesday, February 6th. We look forward to meeting and reconnecting with service providers and providing complimentary limo rides between the airport and the Caesars Palace hotel....

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  Kristin Tarr

01/11/2013

Today from 21:00 - 23:00 UTC CloudFlare scheduled a maintenance window. During that time, CloudFlare's interface was offline. While it was only two hours of time (and we finished a bit early, at 22:16 UTC) what went on during that window had been in the works for several months. ...

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  Matthew Prince

01/09/2013

You care about your website, and you want it to be found. For many visitors, finding your website starts with search engines. Together, Google, Bing, Baidu and others are huge sources of traffic for every website....

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  John Roberts

01/07/2013

CloudFlare runs one of the largest networks of DNS servers in the world. Over the last few months, we've invested in making our DNS as fast and responsive as possible. We were happy to see these efforts pay off in third-party DNS test results....

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  Matthew Prince

01/01/2013

For about half the world (and about half of CloudFlare's data centers) it's already 2013. As our team (most of whom are in San Francisco) get ready to celebrate New Year's Eve, wanted to quickly look back on CloudFlare's 2012. ...

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  Matthew Prince

12/31/2012

We spend a lot of time at CloudFlare thinking about how to make the Internet fast on mobile devices. Currently there are over 1.2 billion active mobile users and that number is growing rapidly....

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  Matthew Prince

12/22/2012

We enjoy working with companies who share a focus on website security. When GamaSec, an online web vulnerability-assessment service, inquired about ways to integrate...

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  Kristin Tarr

12/21/2012

To solve that problem CloudFlare came up with a delta compression technique that recognizes that even dynamically-generated or personalized pages change only a little over time or between users....

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  John Graham-Cumming

12/21/2012

Looking at the latest DDoS attack statistics from CloudFlare's network, it seems that hackers love the holidays....

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  John Graham-Cumming

12/17/2012

Forecasters have estimated that online holiday shopping will account for almost 25 percent of total ecommerce sales in 2012. That's more than $54 Billion dollars in online transactions....

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  Kristin Tarr

12/12/2012

More than a year ago, Ryan Kirkman and Thomas Davis approached us about a project they were working on. Dubbed CDNJS, the project had a noble goal: make the world's Javascript resources load as fast as possible....

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  Matthew Prince

12/11/2012

A little over a month ago, we published a couple of blog posts about how we were making SSL faster. Specifically, we enabled OCSP stapling across our network....

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  Matthew Prince

12/10/2012

Almost every website needs a privacy policy. In most countries, it's legally required, and it helps build trust with visitors. ...

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  John Roberts

12/08/2012

At CloudFlare, Nginx is at the core of what we do. It is part of the underlying foundation of our reverse proxy service. In addition to the built-in Nginx functionalities, we use an array of custom C modules......

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  Matthieu Tourne

12/06/2012

With the widespread adoption of high bandwidth Internet connections in the home, offices and on mobile devices, limitations in available bandwidth to download web pages have largely been eliminated....

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  John Graham-Cumming

12/04/2012

In early October we quietly announced our partnership with Parallels, a global leader in hosting, cloud services enablement and desktop virtualization....

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  Maria Karaivanova

12/01/2012

Syria has reestablished partial connectivity to the Internet. The following map of BGP connectivity shows Syria's 29386 network connected to multiple networks outside Syria....

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  John Graham-Cumming

11/29/2012

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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  Matthew Prince

11/28/2012

We've been thinking about how to best implement two-factor authentication to better protect our customers' accounts for quite some time now. When, about 6 months ago, my account was targeted by hackers the importance of a good account security became clear. ...

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  Matthew Prince

11/28/2012

With web performance and security being the core of CloudFlare, we are always looking for ways to improve not just our customers' website security, but their account security as well. Therefore, we are excited to now offer two-factor authentication for all CloudFlare accounts....

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  Kristin Tarr

11/27/2012

There is a significant conflict in the Middle East. As has been widely reported, along with the physical confrontation between the Israelis and Palestinians, there have been widespread cyber attacks....

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  Matthew Prince

11/19/2012

We get a lot of questions from our customers about CloudFlare and how we impact SEO. So when SEO.com signed up for CloudFlare, I thought it would be a great opportunity to talk to an expert to get the scoop on all things SEO. ...

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  Kristin Tarr

11/18/2012

It's no secret that CloudFlare has adopted Go for some production systems; we've written about our use of Go in the past. But over time it's become clear to us that Go is an important language for the sort of high-performance, highly-concurrent software we have to write....

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  John Graham-Cumming

11/09/2012

Each day I get to trade notes with CloudFlare customers. I'm constantly amazed by the diversity of businesses that use the service from around the world. I wanted to share some stories from some of our customers about their experience on CloudFlare....

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  Kristin Tarr

11/08/2012

We are looking forward to co-hosting a meetup next week on Wednesday, November 14, with Braintree, the fastest growing payments platform for online and mobile commerce. ...

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  Kristin Tarr

11/07/2012

We're having a CloudFlare London Meetup tomorrow night (Thursday, November 8). Three CloudFlare employees will be there: Dane, John and Ian. Come have a beer and exchange ideas with the CloudFlare crew at the Old Coffee House on Beak St....

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  John Graham-Cumming

11/06/2012

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. ...

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  Tom Paseka

11/02/2012

CloudFlare is based in San Francisco, California, USA but we serve a global audience. Every minute of every day we send and receive traffic from nearly all of the world's networks....

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  Matthew Prince