Tag Archives: ssl

Make SSL boring again

It may (or may not!) come as surprise, but a few months ago we migrated Cloudflare’s edge SSL connection termination stack to use BoringSSL: Google’s crypto and SSL implementation that started as a fork of OpenSSL. We dedicated several months of work to make this happen without negative impact on customer traffic. We had a More Info »

Performing & Preventing SSL Stripping: A Plain-English Primer

Over the past few days we learnt about a new attack that posed a serious weakness in the encryption protocol used to secure all modern Wi-Fi networks. The KRACK Attack effectively allows interception of traffic on wireless networks secured by the WPA2 protocol. Whilst it is possible to backward patch implementations to mitigate this vulnerability, More Info »

Geo Key Manager: How It Works

Today we announced Geo Key Manager, a feature that gives customers unprecedented control over where their private keys are stored when uploaded to Cloudflare. This feature builds on a previous Cloudflare innovation called Keyless SSL and a novel cryptographic access control mechanism based on both identity-based encryption and broadcast encryption. In this post we’ll explain More Info »

Introducing the Cloudflare Geo Key Manager

Cloudflare’s customers recognize that they need to protect the confidentiality and integrity of communications with their web visitors. The widely accepted solution to this problem is to use the SSL/TLS protocol to establish an encrypted HTTPS session, over which secure requests can then be sent. Eavesdropping is protected against as only those who have access More Info »

How to make your site HTTPS-only

The Internet is getting more secure every day as people enable HTTPS, the secure version of HTTP, on their sites and services. Last year, Mozilla reported that the percentage of requests made by Firefox using encrypted HTTPS passed 50% for the first time. HTTPS has numerous benefits that are not available over unencrypted HTTP, including More Info »

Domain Validation: SSL’s Other Job

SSL certificates are a hot topic today. Website owners are becoming increasingly aware that collecting information on non-HTTPS secured pages is a bad idea and the larger web ecosystem is definitely moving in the direction of full web encryption. Google has indicated they’re giving a ranking boost to HTTPS encrypted sites with heavier rankings likelyRead More Info »

Introducing CloudFlare Origin CA

Free and performant encryption to the origin for CloudFlare customers In the fall of 2014 CloudFlare launched Universal SSL and doubled the number of sites on the Internet accessible via HTTPS. In just a few days we issued certificates protecting millions of our customers’ domains and became the easiest way to secure your website with More Info »

Sucuri Firewall: Free LetsEncrypt SSL Certs for Everyone

Last year we partnered and sponsored the LetsEncrypt initiative. Today we’re happy to announce that we have fully integrated with them and we are now offering their free SSL Certificates to all customers who leverage the Sucuri Firewall. We’re very excited about this integration and we have mass-enabled their certificates for all of our customers that didRead More Info »