About Cloudflare – Cloudflare Help Center

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var categoryid = "200275218"; </script> <div class="container"> <nav class="sub-nav"> <ol class="breadcrumbs"> <li title="Cloudflare Help Center"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us">Cloudflare Help Center</a> </li> <li title="About Cloudflare"> About Cloudflare </li> </ol> </nav> <script> var currentLocale = $("html").attr("lang").toLowerCase(); var currentLocaleName = currentLocale; if (currentLocale != "en-us") { var englishPage = "/hc/en-us/categories/200275218" document.write("<div class='cf-sidebar-2 cf-note'>This content is limited to the articles that we have translated to date. To see the full article collection, please switch to the English version of this help center. <a href='" + englishPage + "'><em>Switch to English.</em></a></div>") } </script> <header class="page-header category-page-header"> <h1>About Cloudflare</h1> </header> <div class="category-container"> <div class="category-content"> <div class="section-tree"> <section class="section"> <h3 class="section-tree-title"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/sections/200820158-Getting-Started" title="Getting Started">Getting Started</a> </h3> <ul class="article-list"> <li class="article-list-item article-promoted"> <span data-title="Promoted article" class="icon-star"></span> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/201720164-Creating-a-Cloudflare-account-and-adding-a-website" class="article-list-link" title="Creating a Cloudflare account and adding a website">Creating a Cloudflare account and adding a website</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360047880631-Getting-Started-with-Cloudflare-Product-Demos" class="article-list-link" title="Getting Started with Cloudflare: Product Demos">Getting Started with Cloudflare: Product Demos</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360042815891-Understanding-domain-status" class="article-list-link" title="Understanding domain status">Understanding domain status</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360037345072-Getting-Started-with-Cloudflare-Video-Tutorials" class="article-list-link" title="Getting Started with Cloudflare: Video Tutorials">Getting Started with Cloudflare: Video Tutorials</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360027989951-Getting-Started-with-Cloudflare" class="article-list-link" title="Getting Started with Cloudflare">Getting Started with Cloudflare</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/205195708-Changing-your-domain-nameservers-to-Cloudflare" class="article-list-link" title="Changing your domain nameservers to Cloudflare">Changing your domain nameservers to Cloudflare</a> </li> </ul> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/sections/200820158-Getting-Started" class="see-all-articles" title="See all 8 articles"> See all 8 articles </a> </section> <section class="section"> <h3 class="section-tree-title"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/sections/360006145291-Cloudflare-Essentials" title="Cloudflare Essentials">Cloudflare Essentials</a> </h3> <ul class="article-list"> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360039824852-Cloudflare-and-the-Cloud-Conceptual-overview-videos" class="article-list-link" title="Cloudflare and the Cloud: Conceptual overview videos">Cloudflare and the Cloud: Conceptual overview videos</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/205177068-How-does-Cloudflare-work-" class="article-list-link" title="How does Cloudflare work?">How does Cloudflare work?</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/201897700-Allowing-Cloudflare-IP-addresses" class="article-list-link" title="Allowing Cloudflare IP addresses">Allowing Cloudflare IP addresses</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360028158352-Reporting-abuse-to-Cloudflare" class="article-list-link" title="Reporting abuse to Cloudflare">Reporting abuse to Cloudflare</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/200169626-Identifying-subdomains-compatible-with-Cloudflare-s-proxy" class="article-list-link" title="Identifying subdomains compatible with Cloudflare's proxy">Identifying subdomains compatible with Cloudflare's proxy</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/200169156-Identifying-network-ports-compatible-with-Cloudflare-s-proxy" class="article-list-link" title="Identifying network ports compatible with Cloudflare's proxy">Identifying network ports compatible with Cloudflare's proxy</a> </li> </ul> </section> <section class="section"> <h3 class="section-tree-title"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/sections/360006149671-Cloudflare-s-CDN-Content-Delivery-Network-" title="Cloudflare's CDN (Content Delivery Network)">Cloudflare's CDN (Content Delivery Network)</a> </h3> <ul class="article-list"> <li class="article-list-item article-promoted"> <span data-title="Promoted article" class="icon-star"></span> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/200172516-Understanding-Cloudflare-s-CDN" class="article-list-link" title="Understanding Cloudflare's CDN">Understanding Cloudflare's CDN</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/216537517-Using-Content-Security-Policy-CSP-with-Cloudflare" class="article-list-link" title="Using Content Security Policy (CSP) with Cloudflare">Using Content Security Policy (CSP) with Cloudflare</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/200308847-Using-cross-origin-resource-sharing-CORS-with-Cloudflare" class="article-list-link" title="Using cross-origin resource sharing (CORS) with Cloudflare">Using cross-origin resource sharing (CORS) with Cloudflare</a> </li> </ul> </section> <section class="section"> <h3 class="section-tree-title"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/sections/360007347692-Attack-Preparation-and-Response" title="Attack Preparation and Response">Attack Preparation and Response</a> </h3> <ul class="article-list"> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/360014881471-Avoiding-Web-Cache-Poisoning-Attacks" class="article-list-link" title="Avoiding Web Cache Poisoning Attacks">Avoiding Web Cache Poisoning Attacks</a> </li> <li class="article-list-item"> <a href="/web/20200929082907/https://support.cloudflare.com/hc/en-us/articles/200170196-Responding-to-DDoS-attacks" class="article-list-link" title="Responding to DDoS attacks">Responding to DDoS attacks</a> </li> <li class="article-list-item"> <a 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