We’ve Enabled IPv6 to Help You Join the Modern Web!

The explosive growth of the Internet was facilitated in part by the standardization of IPv4, the protocol that allowed the provisioning of around 4 billion unique addresses. Today, we’ve run out of IPv4 addresses. IPv6 represents the modern Internet where billions of devices including phones, tablets, cars, household appliances and a slew of IoT devices need to interact on a global scale.

As more network service providers and platforms transition to IPv6-only network services, businesses are forced to make the transition. Cloudflare IPv6 support makes your migration as smooth and painless as possible.

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One Click IPv6 Provisioning

At Cloudflare we’ve offered full IPv6 support as well as our IPv6-to-IPv4 gateway since 2012. Enabling IPv6 support is as simple as enabling IPv6 Compatibility in the dashboard.

IPv4-to-IPv6 Translation Gateway

Cloudflare’s Automatic IPv6 Gateway allows IPv4-only websites to support IPv6-only clients with no additional configuration. No hardware. No software. No code changes. And no need to change your hosting provider.

Pseudo IPv4

Legacy services that require IPv4 support can take advantage of our Pseudo IPv4 service. Pseudo IPv4 works by adding an HTTP header to requests established over IPv6 with a “pseudo” IPv4 address. Using a hashing algorithm, Pseudo IPv4 will create a Class E IPv4 address which will always produce the same output for the same input; the same IPv6 address will always result in the same Pseudo IPv4 address.

IPv6 Security Benefits

End-to-end security is built into the core of IPv6 with IPSec as a major protocol requirement. IPSec is a security framework that contains a suite of cryptographic protocols including Authentication Header (AH) protocol, Encapsulating Security Payload (ESP) protocol and Internet Key Exchange (IKE) protocol. IPSec provides network-level security which means that any application sending/receiving data over the Internet will have its data encapsulated within the IPv6 packet.

To compliment IPv6 security, Cloudflare offers a slew of security features including a robust Web Application Firewall to protect against vulnerabilities like SQL injections, cross-site script attacks, and zero-day threats. Cloudflare technology automatically detects new attacks and starts to block an attack for both the particular website and the entire community. Since Cloudflare continually learns, every site, regardless of size, makes the system smarter.

Enhanced Mobility

Mobile support is mandatory in IPv6 with the implementation of Mobile IPv6 (MIPv6). Route optimization is a built in feature, and Neighbor Discovery (NDP) and Address Auto-configuration allow devices to function in any location, improving roaming capabilities by enabling mobile nodes to change their point-of-attachment without changing their IP address. Real User Measurement studies conducted by some of the Internet’s most popular websites show IPv6 made their sites 10-15 percent faster.

The Secure Neighbor Discovery (SEND) protocol significantly reduces your vulnerabilities to man-in-the-middle attacks by ensuring the sender of an NDP message is the owner of the claimed address.

To further enhance your visitor’s mobile experience, Cloudflare caches your assets across an expansive global content delivery network reducing load times by bringing your content closer to your visitors. With technologies like Mirage image optimization, which accelerates the delivery of content to mobile devices by determining the type of device and connection speed, on average, a website on Cloudflare loads 2x as fast and uses 60% less bandwidth.

Cloudflare has helped nearly one million websites join the modern web, making us one of the fastest growing providers of IPv6 web connectivity on the Internet. Our global network has deflected some of the largest DDoS attacks, providing unparalleled security and reliability for our customers and their online assets.

Setting Up Cloudflare Is Easy

Set up a domain in less than 5 minutes. Keep your hosting provider. No code changes required.

Cloudflare Pricing

Everyone’s Internet application can benefit from using Cloudflare.
Pick a plan that fits your needs.

Free $ 0 /mo per website
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For personal websites, blogs, and anyone who wants to explore Cloudflare.

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The Free Plan includes all of these features:
  • Limited DDoS protection
  • Global CDN
  • Shared SSL certificate
  • 3 page rules
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PRO $ 20 /mo per website
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For professional websites, blogs, and portfolios requiring basic security and performance.

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The Pro Plan includes all of these features:
  • Basic web application firewall (WAF) with Cloudflare rulesets
  • Image optimizations with Polish™
  • Mobile optimizations with Mirage™
  • I'm Under Attack™ mode
  • 20 page rules
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BUSINESS $ 200 /mo per website
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For small eCommerce websites and businesses requiring advanced security and performance, PCI compliance, and prioritized support.

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The Business Plan includes all of these features:
  • Advanced DDoS protection
  • Advanced web application firewall (WAF) with 25 custom rulesets
  • Custom SSL certificate upload
  • PCI compliance thanks to TLS 1.2 only mode and WAF
  • Accelerate delivery of dynamic content with Railgun™
  • Prioritized support
  • 50 page rules
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Enterprise contact us
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For companies requiring enterprise-grade security and performance, 24/7/365 emergency support, and guaranteed uptime across one or more Internet assets.

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The Enterprise Plan includes all of these features:
  • 24/7/365 enterprise-grade phone and email support
  • 100% uptime guarantee with 25x reimbursement SLA
  • Advanced DDoS protection with prioritized IP ranges
  • Advanced web application firewall (WAF) with unlimited custom rulesets
  • Multiuser role-based account access
  • Multiple custom SSL certificate uploads
  • Access to raw logs
  • Dedicated solution and customer success engineers
  • Access to China CDN points of presence (Additional Cost)
  • 100 page rules
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Free

$ 0 / mo
 
For personal websites, blogs, and anyone who wants to explore Cloudflare.

Pro

$ 20 / mo
per domain
For professional websites, blogs, and portfolios requiring basic security and performance.
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Business

$ 200 / mo
per domain
For small eCommerce websites and businesses requiring advanced security and performance, PCI compliance, and prioritized support.

Enterprise

Contact Us
 
For companies requiring enterprise-grade security and performance, 24/7/365 emergency support, and guaranteed uptime across one or more Internet assets.