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Let's Encrypt Blog

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Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

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Visit letsencrypt.org → RSS feedOn Hacker News Jun 2015 – Jun 2026

Security & Privacy 49Infrastructure & DevOps 34Tech Industry & Business 7Open Source 2Networking & Internet 2Web & Frontend 1

1

Let's Encrypt now fully supports IPv6

Let’s Encrypt is happy to announce full support for IPv6. As IPv4 address space is exhausted, more and more people are deploying services that are only reachable via IPv6. Adding full support for IPv6 allows us to serve more people and organizations, which is important if we’re going to encrypt the entire Web. IPv6 is…

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Progress Towards 100% HTTPS, June 2016

Our goal with Let’s Encrypt is to get the Web to 100% HTTPS. We’d like to give a quick progress update. Let’s Encrypt has issued more than 5 million certificates in total since we launched to the general public on December 3, 2015. Approximately 3.8 million of those are active, meaning unexpired and unrevoked. Our…