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	<title>John Graham-Cumming &#8211; Noise</title>
	<atom:link href="https://noise.getoto.net/author/john-graham-cumming/feed/" rel="self" type="application/rss+xml" />
	<link>https://noise.getoto.net</link>
	<description>The collective thoughts of the interwebz</description>
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		<title>Three chapters at Cloudflare: Programmer to CTO to Board of Directors</title>
		<link>https://noise.getoto.net/2025/03/27/three-chapters-at-cloudflare-programmer-to-cto-to-board-of-directors/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Thu, 27 Mar 2025 00:00:00 +0000</pubDate>
				<category><![CDATA[Life at Cloudflare]]></category>
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					<description><![CDATA[Today, after more than 13 years at the company, I am joining Cloudflare’s board of directors and retiring from my full-time position as CTO.]]></description>
		
		
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			</item>
		<item>
		<title>Using Fortran on Cloudflare Workers</title>
		<link>https://noise.getoto.net/2024/05/07/using-fortran-on-cloudflare-workers/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Tue, 07 May 2024 13:00:00 +0000</pubDate>
				<category><![CDATA[Cloudflare Workers]]></category>
		<category><![CDATA[Developer Platform]]></category>
		<category><![CDATA[Developers]]></category>
		<category><![CDATA[Fortran]]></category>
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					<description><![CDATA[Work on LLVM has enabled Fortran to compile to WebAssembly. So, today, we’re writing about running Fortran code on Cloudflare Workers]]></description>
		
		
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			</item>
		<item>
		<title>Writing poems using LLama 2 on Workers AI</title>
		<link>https://noise.getoto.net/2023/09/27/writing-poems-using-llama-2-on-workers-ai/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Wed, 27 Sep 2023 13:00:36 +0000</pubDate>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[Birthday Week]]></category>
		<category><![CDATA[Cloudflare Workers]]></category>
		<category><![CDATA[Workers AI]]></category>
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					<description><![CDATA[Matthew and Michelle, co-founders of Cloudflare, published their annual founders’ letter today. The letter ends with a poem written by an AI running using Workers AI on Cloudflare’s global network. 

Here’s the code that wrote the poem]]></description>
		
		
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			</item>
		<item>
		<title>Welcome to Birthday Week 2023</title>
		<link>https://noise.getoto.net/2023/09/24/welcome-to-birthday-week-2023/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Sun, 24 Sep 2023 17:00:02 +0000</pubDate>
				<category><![CDATA[Birthday Week]]></category>
		<category><![CDATA[Product News]]></category>
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					<description><![CDATA[Building the future is, in part, what Birthday Week is about. Over the past 13 years we’ve announced things like Universal SSL (doubling the size of the encrypted web overnight), or Cloudflare Workers (helping change the way people build and scale applications). This year will be no different]]></description>
		
		
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			</item>
		<item>
		<title>Batteries included: how AI will transform the who and how of programming</title>
		<link>https://noise.getoto.net/2023/05/14/batteries-included-how-ai-will-transform-the-who-and-how-of-programming/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Sun, 14 May 2023 17:00:40 +0000</pubDate>
				<category><![CDATA[AI]]></category>
		<category><![CDATA[Developer Week]]></category>
		<category><![CDATA[Developers]]></category>
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					<description><![CDATA[The recent arrival of LLMs capable of assisting programmers in writing, debugging and modifying code is yet another step. It’s a step at both making programmers more productive and helping more people be programmers]]></description>
		
		
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			</item>
		<item>
		<title>Welcome to the Supercloud (and Developer Week 2022)</title>
		<link>https://noise.getoto.net/2022/11/14/welcome-to-the-supercloud-and-developer-week-2022/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Mon, 14 Nov 2022 14:01:00 +0000</pubDate>
				<category><![CDATA[Developer Week]]></category>
		<category><![CDATA[Supercloud]]></category>
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					<description><![CDATA[Every developer wants to get code running on one machine and perfect it. It’s so much easier to work that way. We just happen to have one machine that scales to the size of the Internet: a global, distributed, supercomputer. It’s our Supercloud, and we build our own products on it, and you can too]]></description>
		
		
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			</item>
		<item>
		<title>Partial Cloudflare outage on October 25, 2022</title>
		<link>https://noise.getoto.net/2022/10/26/partial-cloudflare-outage-on-october-25-2022/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Wed, 26 Oct 2022 03:02:50 +0000</pubDate>
				<category><![CDATA[Outage]]></category>
		<category><![CDATA[Post Mortem]]></category>
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					<description><![CDATA[Today, a change to our Tiered Cache system caused some requests to fail for users with status code 530]]></description>
		
		
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			</item>
		<item>
		<title>What we served up for the last Birthday Week before we&#8217;re a teenager</title>
		<link>https://noise.getoto.net/2022/10/03/what-we-served-up-for-the-last-birthday-week-before-were-a-teenager/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Mon, 03 Oct 2022 15:54:39 +0000</pubDate>
				<category><![CDATA[Birthday Week]]></category>
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					<description><![CDATA[Cloudflare's 12th birthday week: 36 announcements ranging from SIM cards to post quantum encryption via hardware keys and so much more. Here’s a review of everything we announced this week]]></description>
		
		
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		<item>
		<title>GA Week 2022: what you may have missed</title>
		<link>https://noise.getoto.net/2022/09/23/ga-week-2022-what-you-may-have-missed/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Fri, 23 Sep 2022 13:00:00 +0000</pubDate>
				<category><![CDATA[GA Week]]></category>
		<category><![CDATA[General Availability]]></category>
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					<description><![CDATA[We made a lot of new products Generally Available this week, so in case you missed it, here’s a recap]]></description>
		
		
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			</item>
		<item>
		<title>Welcome to GA Week</title>
		<link>https://noise.getoto.net/2022/09/18/welcome-to-ga-week/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Sun, 18 Sep 2022 17:00:00 +0000</pubDate>
				<category><![CDATA[GA Week]]></category>
		<category><![CDATA[General Availability]]></category>
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					<description><![CDATA[Over the course of the next week, you’re going to hear about Cloudflare products that are out of beta and generally available]]></description>
		
		
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			</item>
		<item>
		<title>A July 4 technical reading list</title>
		<link>https://noise.getoto.net/2022/07/04/a-july-4-technical-reading-list/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Mon, 04 Jul 2022 12:55:08 +0000</pubDate>
				<category><![CDATA[Cloudflare Radar]]></category>
		<category><![CDATA[eBPF]]></category>
		<category><![CDATA[Hertzbleed]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[Reading List]]></category>
		<category><![CDATA[TCP]]></category>
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					<description><![CDATA[Here’s a short list of recent technical blog posts to give you something to read today]]></description>
		
		
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			</item>
		<item>
		<title>Cloudflare’s investigation of the January 2022 Okta compromise</title>
		<link>https://noise.getoto.net/2022/03/22/cloudflares-investigation-of-the-january-2022-okta-compromise/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Tue, 22 Mar 2022 16:57:44 +0000</pubDate>
				<category><![CDATA[Okta]]></category>
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					<description><![CDATA[Today at 03:30 UTC we learnt of a compromise of Okta. We use Okta internally for employee identity as part of our authentication stack. We have investigated this compromise carefully and do not believe we have been compromised as a result]]></description>
		
		
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			</item>
		<item>
		<title>Internet traffic patterns in Ukraine since February 21, 2022</title>
		<link>https://noise.getoto.net/2022/03/04/internet-traffic-patterns-in-ukraine-since-february-21-2022/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Fri, 04 Mar 2022 16:10:34 +0000</pubDate>
				<category><![CDATA[Cloudflare Radar]]></category>
		<category><![CDATA[Internet Traffic]]></category>
		<category><![CDATA[Ukraine]]></category>
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					<description><![CDATA[Cloudflare operates in more than 250 cities worldwide where we connect our equipment to the Internet to provide our broad range of services]]></description>
		
		
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			</item>
		<item>
		<title>Why we are acquiring Area 1</title>
		<link>https://noise.getoto.net/2022/02/24/why-we-are-acquiring-area-1/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Wed, 23 Feb 2022 22:00:36 +0000</pubDate>
				<category><![CDATA[Acquisitions]]></category>
		<category><![CDATA[Cloudflare Zero Trust]]></category>
		<category><![CDATA[email security]]></category>
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					<description><![CDATA[Earlier today we announced that Cloudflare has agreed to acquire Area 1 Security]]></description>
		
		
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			</item>
		<item>
		<title>Exploitation of Log4j CVE-2021-44228 before public disclosure and evolution of evasion and exfiltration</title>
		<link>https://noise.getoto.net/2021/12/14/exploitation-of-log4j-cve-2021-44228-before-public-disclosure-and-evolution-of-evasion-and-exfiltration/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Tue, 14 Dec 2021 17:48:50 +0000</pubDate>
				<category><![CDATA[log4j]]></category>
		<category><![CDATA[log4shell]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[vulnerabilities]]></category>
		<category><![CDATA[waf]]></category>
		<guid isPermaLink="false">http://noise.getoto.net/?guid=7a6a0f757d9d82c19dc4c68e0415ba27</guid>

					<description><![CDATA[In this blog post we will cover WAF evasion patterns and exfiltration attempts seen in the wild, trend data on attempted exploitation, and information on exploitation that we saw prior to the public disclosure of CVE-2021-44228.]]></description>
		
		
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			</item>
		<item>
		<title>Actual CVE-2021-44228 payloads captured in the wild</title>
		<link>https://noise.getoto.net/2021/12/10/actual-cve-2021-44228-payloads-captured-in-the-wild/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Fri, 10 Dec 2021 21:06:56 +0000</pubDate>
				<category><![CDATA[Page Rules]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[vulnerabilities]]></category>
		<guid isPermaLink="false">http://noise.getoto.net/?guid=22ea6ba12720080f23d8f66a6b072fdc</guid>

					<description><![CDATA[I wrote earlier about how to mitigate CVE-2021-44228 in Log4j, how the vulnerability came about and Cloudflare’s mitigations for our customers. As I write we are rolling out protection for our FREE customers as well because of the vulnerability’s severity.]]></description>
		
		
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			</item>
		<item>
		<title>Inside the log4j2 vulnerability (CVE-2021-44228)</title>
		<link>https://noise.getoto.net/2021/12/10/inside-the-log4j2-vulnerability-cve-2021-44228/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Fri, 10 Dec 2021 18:36:10 +0000</pubDate>
				<category><![CDATA[security]]></category>
		<category><![CDATA[vulnerabilities]]></category>
		<category><![CDATA[WAF Rules]]></category>
		<category><![CDATA[Zero Day Threats]]></category>
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					<description><![CDATA[In this post we explain the history of this vulnerability, how it was introduced, how Cloudflare is protecting our clients. We will update later with actual attempted exploitation we are seeing blocked by our firewall service.]]></description>
		
		
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			</item>
		<item>
		<title>Benchmarking Edge Network Performance: Akamai, Cloudflare, AWS CloudFront, Fastly, and Google</title>
		<link>https://noise.getoto.net/2021/09/17/benchmarking-edge-network-performance-akamai-cloudflare-aws-cloudfront-fastly-and-google/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Fri, 17 Sep 2021 13:00:01 +0000</pubDate>
				<category><![CDATA[Measurement]]></category>
		<category><![CDATA[Performance]]></category>
		<category><![CDATA[Speed]]></category>
		<category><![CDATA[Speed Week]]></category>
		<category><![CDATA[TTFB]]></category>
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					<description><![CDATA[We recently ran a measurement experiment where we used Real User Measurement (RUM) data from the standard browser API to test the performance of Cloudflare and others in real-world conditions across the globe.]]></description>
		
		
		<enclosure url="https://blog.cloudflare.com/content/images/2021/09/image20-1.png" length="0" type="" />

			</item>
		<item>
		<title>Welcome to Speed Week and a Waitless Internet</title>
		<link>https://noise.getoto.net/2021/09/12/welcome-to-speed-week-and-a-waitless-internet/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Sun, 12 Sep 2021 12:55:15 +0000</pubDate>
				<category><![CDATA[Fastest]]></category>
		<category><![CDATA[Product News]]></category>
		<category><![CDATA[Real-time]]></category>
		<category><![CDATA[Speed & Reliability]]></category>
		<category><![CDATA[Speed Week]]></category>
		<category><![CDATA[Waitless]]></category>
		<category><![CDATA[Zero ms]]></category>
		<guid isPermaLink="false">http://noise.getoto.net/?guid=a36eadbf41f788b5321743e7f0a6d02f</guid>

					<description><![CDATA[No one likes to wait. Internet impatience is something we all suffer from.]]></description>
		
		
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			</item>
		<item>
		<title>Crawler Hints: How Cloudflare Is Reducing The Environmental Impact Of Web Searches</title>
		<link>https://noise.getoto.net/2021/07/28/crawler-hints-how-cloudflare-is-reducing-the-environmental-impact-of-web-searches/</link>
		
		<dc:creator><![CDATA[John Graham-Cumming]]></dc:creator>
		<pubDate>Wed, 28 Jul 2021 12:59:39 +0000</pubDate>
				<category><![CDATA[Crawler Hints]]></category>
		<category><![CDATA[Efficiency]]></category>
		<category><![CDATA[Impact Week]]></category>
		<category><![CDATA[Product News]]></category>
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					<description><![CDATA[Crawler Hints provide high quality data to search engine crawlers on when content has been changed on sites using Cloudflare, allowing them to precisely time their crawling, avoid wasteful crawls, and generally reduce resource consumption of customer origins.]]></description>
		
		
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