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. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: zampaha.duckdns.org
I ran this command:
./certbot-auto certonly --standalone --preferred-challenges http-01
–email myemail
-d mydomain.duckdns.org
It produced this output:
Requesting to rerun .certbot-auto with root privileges…
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugin selected: Authenticator standalone, Installer None
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for mydomain.duckdns.org
Cleaning up challenges
Problem binding to port 80: Could not bind to IPv4 or IPv6.
My web server is (include version): no web server
The operating system my web server runs on is (include version): raspbian
My hosting provider, if applicable, is: no hosting
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
Problem binding to port 80: Could not bind to IPv4 or IPv6.
Hi everyone,
I just installed HA on my RasPI 3B, port 80 and 443 forwarded, duckdns domain registered.
Everything was good and i could reach http…
Then I installed Let’s Encrypt to enable https, completed the installation but https… was not working.
I scrolled up the log and found a first issue “The standalone specific supported challenges flag is deprecated. Please use the --preferred-challenges flag instead.”
I relaunched the installation process (to renew the certificate) using
./certbot-auto certonly --standalone --preferred-challenges http-01
–email myemail
-d mydomain.duckdns.org
instead of --standalone-supported-challenges but got the error:
Requesting to rerun .certbot-auto with root privileges…
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugin selected: Authenticator standalone, Installer None
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for mydomain.duckdns.org
Cleaning up challenges
Problem binding to port 80: Could not bind to IPv4 or IPv6.
I read that the problem concerns the port 80 which is already being used by another application and that I should stop the application but I cannot find the way to do it and I’m stuck at this point for a long time.
I do not have a web server.
I’m basically new to these things, can you please tell me what I have to do to solve this issue?
Thank you.
S