http://www.rfc-editor.org/rfc/rfc5781.txt
RFC 5781: The rsync URI Scheme, S. Weiler, D. Ward, R. Housley2010-02-01T23:00:00-00:00This document specifies the rsync Uniform Resource Identifier (URI) scheme. This document is not an Internet Standards Track specification; it is published for informational purposes.