Error Creating Certificate: The server could not connect to the client to verify the domain


#1

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My domain is:
samurai.go.ro

I ran this command:
./certbot-auto certonly --standalone --domain samurai.go.ro

It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Obtaining a new certificate
Performing the following challenges:
tls-sni-01 challenge for samurai.go.ro
Waiting for verification…
Cleaning up challenges
Failed authorization procedure. samurai.go.ro (tls-sni-01): urn:acme:error:connection :: The server could not connect to the client to verify the domain :: Failed to connect to 188.25.44.98:443 for TLS-SNI-01 challenge

IMPORTANT NOTES:

  • The following errors were reported by the server:

    Domain: samurai.go.ro
    Type: connection
    Detail: Failed to connect to 188.25.44.98:443 for TLS-SNI-01
    challenge

    To fix these errors, please make sure that your domain name was
    entered correctly and the DNS A record(s) for that domain
    contain(s) the right IP address. Additionally, please check that
    your computer has a publicly routable IP address and that no
    firewalls are preventing the server from communicating with the
    client. If you’re using the webroot plugin, you should also verify
    that you are serving files from the webroot path you provided.

My operating system is (include version):
RaspBian (Debian 8) an Raspberry PI

My web server is (include version):

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know):
yes

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no

I need to create the cerfificates to use them for Home Assitant application.
In router ports 80 si 443 are forwarded to my Raspberry PI.
No other apps are using those ports


#2

Does your RΠ have a firewall?


#3

Yes, the router has firewall.


#4

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