Communication protocol | |
OSI layer | Application |
---|---|
Port(s) | 80, 443 |
RFC(s) | RFC 6352 |
vCard Extensions to WebDAV (CardDAV) is an address book client/server protocol designed to allow users to access and share contact data on a server.
The CardDAV protocol was developed by the IETF and was published as RFC 6352 in August 2011.[1] CardDAV is based on WebDAV, which is based on HTTP, and it uses vCard for contact data.[2]