Certbot, previously the Let's Encrypt Client, is EFF's tool to obtain certs from Let's Encrypt, and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Hold Liable
Use Trademarks
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
There are no reported vulnerabilities
30 Day SummarySep 27 2025 — Oct 27 2025
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12 Month SummaryOct 27 2024 — Oct 27 2025
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