自サバをSSL化

Server
2022.12.23 
# certbot
Saving debug log to /var/log/letsencrypt/letsencrypt.log

Which names would you like to activate HTTPS for?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: www.hbirds.net
2: hbirds.mydns.jp
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 2
Requesting a certificate for hbirds.mydns.jp

Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems:
  Domain: hbirds.mydns.jp
  Type:   connection
  Detail: 150.249.88.59: Fetching https://hbirds.mydns.jp/.well-known/acme-challenge/bCaCg9-yff5SSEDu8mf2GZivk5uFZ-nlxK6tJacBLx4: Error getting validation data

Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet.

Some challenges have failed.
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.

上手く行かない。OCIでは上手く行ったのに、自サバでは駄目なのか。

原因はルーター側のポートフォワードだった。

# certbot
Saving debug log to /var/log/letsencrypt/letsencrypt.log

Which names would you like to activate HTTPS for?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: www.hbirds.net
2: hbirds.mydns.jp
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 2
Requesting a certificate for hbirds.mydns.jp

Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems:
  Domain: hbirds.mydns.jp
  Type:   connection
  Detail: 150.249.88.59: Fetching https://hbirds.mydns.jp/.well-known/acme-challenge/bCaCg9-yff5SSEDu8mf2GZivk5uFZ-nlxK6tJacBLx4: Error getting validation data

Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet.

Some challenges have failed.
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.

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