I recently had to rebuild my VPS after running a command that completely overwrote my software . I decided to switch to using NGINX for my “new” server, after having used Apache for my old one. On my old server I had set up a Let’s Encrypt certificate with Certbot and that worked fine. Though, now it times out every time I try to get a certificate for the new server.
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My domain is: ianmorrill.com
I ran this command:
sudo certbot --nginx
It produced this output:
Obtaining a new certificate Performing the following challenges: tls-sni-01 challenge for ianmorrill.com Waiting for verification... Cleaning up challenges Failed authorization procedure. ianmorrill.com (tls-sni-01): urn:acme:error:connection :: The server could not connect to the client to verify the domain :: Timeout IMPORTANT NOTES: - The following errors were reported by the server: Domain: ianmorrill.com Type: connection Detail: Timeout 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 web server is (include version): Nginx 1.10.3
The operating system my web server runs on is (include version): Ubuntu 16.04
My hosting provider, if applicable, is: Linode
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