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17 lines
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17 lines
1.1 KiB
Plaintext
---
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title: "Let's Encrypt"
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description: "Learn how to connect Infisical to Let's Encrypt to issue certificates."
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---
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## Concept
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Infisical can connect to [Let's Encrypt](https://letsencrypt.org/) using the [ACME-compatible CA integration](/documentation/platform/pki/ca/acme-ca) to issue certificates back to your end-entities.
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## Guide to Connecting Infisical to Let's Encrypt CA
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To connect Infisical to Let's Encrypt, follow the steps in the [ACME-compatible CA integration](/documentation/platform/pki/ca/acme-ca) guide but use the Let's Encrypt **ACME Directory URL**: `https://acme-v02.api.letsencrypt.org/directory`.
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Note that Let’s Encrypt issues 90-day certificates and enforces a limit of 50 certificates per registered domain per week.
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We strongly recommend testing your setup against the Let's Encrypt staging environment first at the **ACME Directory URL** `https://acme-staging-v02.api.letsencrypt.org/directory` prior to switching to the production environment. This allows you to verify your DNS configuration and certificate issuance process without consuming production rate limits.
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