We had issues validating via http, until we found out our Geo blocking rule in the Firewall was blocking the second validation attempt from LetsEncrypt. The connections come from Singapore and Sweden, so we whitelisted them. Instead, we want to whitelist the IPs used in the letsEncrypt validation p…

If you absolutely need to block general incoming http requests consider whether you can instead allow all incoming http /.well-known/acme-challenge requests by inspecting http traffic at the firewall, this would allow http validation to work normally. Alternatively, use DNS domain validation instead…

Whitelist LetsEncrypt Server IPs

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system Closed June 14, 2024, 6:57pm 20

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Whitelist LetsEncrypt Server IPs

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