Issuance disruption
We're seeing elevated rates of validation failures that shouldn't be happening. We're investigating, and expect to resolve the issue soon.
offiziell · 20. Okt., 02:28, 25 Minuten lang, behoben
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We're seeing elevated rates of validation failures that shouldn't be happening. We're investigating, and expect to resolve the issue soon.
offiziell · 20. Okt., 02:28, 25 Minuten lang, behoben
On February 10, 2027, all Let’s Encrypt subscribers will move to certificates with 64 day lifetimes by default unless they select an even shorter lifetime (45 or 6 days, as previously announced ). This means that any certificate we issue o…
gemeldet 7. Okt. 2026
When the scripts that generate the data for letsencrypt.org/stats broke yet again, we decided to retire them rather than repair them. Let’s Encrypt issues six to ten million certificates each day , producing a large volume of logs that kee…
gemeldet 17. Sept. 2026
Ten years ago, we printed one of the nerdiest t-shirts we’ve ever made. On the front was the entire PEM encoding of ISRG Root X1 in base64. Back then, it represented a future we were working toward. Today, that same design tells the story …
gemeldet 11. Aug. 2026
Let’s Encrypt is committed to a post-quantum-safe Web PKI. The path we’re planning to take is Merkle Tree Certificates (“MTCs”), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability …
gemeldet 3. Juni 2026
Have you ever needed to make sure your website has a broken certificate? While many tools exist to help run an HTTPS server with valid certificates, there aren’t tools to make sure your certificate is revoked or expired. This is not a prob…
gemeldet 10. April 2026
Nick Silverman is a Senior Infrastructure Engineer on the Edge Infrastructure team at Shopify, where he maintains the systems that provision, renew, and publish SSL certificates for millions of merchants’ custom domains. He is also a contr…
gemeldet 17. März 2026
This was also posted on EFF’s blog . As we announced earlier this year, Let’s Encrypt now issues IP address and six-day certificates to the general public. The Certbot team at the Electronic Frontier Foundation has been working on two impr…
gemeldet 11. März 2026
As previously announced , over the next two years we will be switching the default certificate lifetime from 90 days to 64 days, and then 45 days. This will ultimately double the number of certificate renewal requests each day: today we ex…
gemeldet 24. Feb. 2026
When you request a certificate from Let’s Encrypt, our servers validate that you control the hostnames in that certificate using ACME challenges . For subscribers who need wildcard certificates or who prefer not to expose infrastructure to…
gemeldet 18. Feb. 2026
In a recent conversation with a Let’s Encrypt subscriber, we asked them to guess how many people work at ISRG, the nonprofit behind Let’s Encrypt (and Prossimo and Divvi Up). Their guess was about 100; they’d overestimated by 72.5 people. …
gemeldet 5. Feb. 2026