Cert renewal on Plesk not working

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1

Hey Guys,

When we try and renew a certificate using the module on Plesk we keep getting the following error:

Could not obtain directory: cURL error 35: SSL peer reports incorrect Message Authentication Code. (see libcurl - Error Codes)

After a while, it does seem to renew but it keeps on happening, could this be an IP block at all?

Server IP is: 95.154.197.68

We have reached out to Plesk but they have been unable to assist on it as they can't see anything wrong

2

No. An IP block would block it always not just some time.

An intermittent curl 35 error sounds like a network problem. You could try running the below command repeatedly. This is the same HTTPS request that is failing in your error message.

curl https://acme-v02.api.letsencrypt.org/directory
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