I've edited the original recommendation. While deleting the whole .le folder works, it recreates a new account on let's encrypt's servers. I was able to find the one file that needs to be deleted for the renewal process to succeed.Connect to your router via ssh, delete your /jffs/.le folder and execute service restart_letsencrypt command. Allow a minute for the task to complete.
Connect to your router via ssh, delete your /jffs/.le/[domain_name]/domain.key file (where [domain_name] is the name you set as your ddns host name) and execute service restart_letsencrypt command. Allow a minute for the task to complete.
Looks like the same problem described in this thread: Lets Encrypt not updating, or?
EDIT: Changed deleting the entire .le folder to deleting only one file.
I've edited the original recommendation. While deleting the whole .le folder works, it recreates a new account on let's encrypt's servers. I was able to find the one file that needs to be deleted for the renewal process to succeed.
The strange thing is, the domain.key file gets recreated with the exact same content as before the renewal.
Anyone that has problems, please rename the domain.key file, renewing the certificate and, if successful, report if the domain.key file is being recreated with the same contents for you also.
Don't post the contents of the domain.key file, as it's your private key, and as the name suggests, should remain private.
I've edited the original recommendation. While deleting the whole .le folder works, it recreates a new account on let's encrypt's servers. I was able to find the one file that needs to be deleted for the renewal process to succeed.
The strange thing is, the domain.key file gets recreated with the exact same content as before the renewal.
Anyone that has problems, please rename the domain.key file, renewing the certificate and, if successful, report if the domain.key file is being recreated with the same contents for you also.
Don't post the contents of the domain.key file, as it's your private key, and as the name suggests, should remain private.
Just another thank you - this worked.
BTW - the Lets Encrypt forums mentioned that the auto-renewal issues has something to do with acme v2 not fully supported on ASUS routers? https://community.letsencrypt.org/t/certificate-not-updating-anymore-asus-router/103647/2
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