Let's Encrypt Blog company blog
How we reduced the impact of zombie clients
Every night, right around midnight (mainly UTC), a horde of zombies wakes up and clamors for … digital certificates! The zombies in question are abandoned or misconfigured Internet servers and ACME clients that have been set to request certificates from Let’s Encrypt. As our certificates last for at most 90 days…
- Points
- 184
- HN comments
- 39
- Submissions
- 1
- Cited by
- 0 commenters
Security & PrivacyInfrastructure & DevOps2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jun 4, 2025 | How we reduced the impact of zombie clients by jaas | 184 | 39 |
