After days brooding over how to enable LE for my server, I finally reach out to the community for help as I seem to have exceptionally failed
First things first, if I am fairly computer savvy I am quite the beginner in anything related to server set-up and management, so please bear with me.
I have installed the overly disparaged macOS server 5.5 (High Sierra) since I need a cheap, allegedly easy way to set up a private server with a few services. In order to have a remote access to my server I use a free dyndns hostname. After a lengthy process to get to the right settings to access the services online, I have come to understand SSL certificates - or the lack thereof - were key to ensure reliable remote access as auto-certification could generate issue with services like webdav or vpn.
I have then tried to install LE on the server following the various guidelines notably available here.
I have successfully come to the point where the following folders are created:
I then followed the guide on Certbot to try to issue and recuperate the certificates. This is where I hit the wall. I relentlessly get the error message: “Problem binding to port 80: Could not bind to IPv4 or IPv6.”
Any comment/input would be greatly appreciated at this point…
Thanks in advance for taking the time to consider my issue.