Attempting come renew cert native /etc/letsencrypt/renewal/ created an unanticipated error: problem binding to harbor 443: can not bind to IPv4 or IPv6.. Skipping.This is to run on one AWS ubuntu 14.04 instance. Every ports are open outgoing and also 443 is open incoming.

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you more than likely run the script with (preconfigurated) --standalone when your server is currently running at harbor 443.

You can stop server prior to renew and also start lock after.

man says:

--apache usage the Apache plugin because that authentication & installation--standalone operation a standalone webserver for authentication--nginx usage the Nginx plugin because that authentication & installation--webroot Place files in a server"s webroot folder because that authentication--manual attain certificates interactively, or making use of shell script hooksIf I operation renew through --apache i can"t get any kind of error.

reply Sep 17 "17 in ~ 17:48

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You just need to protect against all running servers prefer Apache, nginx or OpenShift before doing this.

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Stop Nginx

sudo systemctl protect against nginxStop Apache2

sudo systemctl avoid apache2
edited Nov 7 "20 at 0:33


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reply Dec 3 "17 at 9:32

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As hinted in the various other answers, you should pass the option for your running webserver, for example:

Without webserver param:

sudo certbot renew Cert is due because that renewal, auto-renewing... Renewing an present certificate Performing the complying with challenges:tls-sni-01 challenge for clean up difficulties Attempting to renew cert ( from /etc/letsencrypt/renewal/ developed an unanticipated error: trouble binding to harbor 443: might not tie to IPv4 or IPv6.. Skipping.

Then, again v the webserver param (success):

sudo certbot renew --nginx Cert is due for renewal, auto-renewing... Renewing an existing certificate Performing the complying with challenges: tls-sni-01 difficulty for wait for verification... Cleaning up obstacles

new certificate deployed with reload of nginx server; fullchain is /etc/letsencrypt/live/

Congratulations, all renewals succeeded. The complying with certs have been renewed: /etc/letsencrypt/live/ (success)