Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com ), so withholding your domain name here does not increase secrecy, but …

Do you have a Palo Alto brand router / firewall? These products recently added a block of Let's Encrypt cert validations. The symptom is these "reset by peer" errors when trying the acme challenge URL. If so, see this description Trying your server. See the differences? curl -I ccs.crs.cuhk.ed…

Could not renew certificate in Synology NAS

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rg305 April 22, 2022, 1:28pm 5

If there is a firewall, please review the firewall logs.

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Could not renew certificate in Synology NAS

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