The open source Calendar and Contacts Server project is a standards-compliant server implementing the CalDAV and CardDAV protocols.
Base URL: /principals/
(e.g. http(s)://server.example:port/principals/
)
Contact group method: groups are separate VCards (or the method used by your other clients)
macOS Server (formerly OS X Server)
Apple provides a Calendar and Contacts Server with macOS Server. When calendar/address book services are enabled, its default URLs are:
- for HTTP:
http://server.example:8008/
- for HTTPS:
https://server.example:8443/
WebDAV setup
You can access files from a macOS server using the DAVx⁵ WebDAV mounts feature.
WebDAV URL: https://{your.domain.tld}/webdav/
User name: your username
Password: your password
More information on server settings can also be found here.