rsyncd with macports 2.5.4 on macOS 10.13.6

[Kevin Layer]

Thanks everyone.  I ended up using this one, and it works like a
charm.

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version='1.0'>
  <dict>
    <key>Label</key>
    <string>local.rsyncd</string>
    <key>Program</key>
    <string>/opt/local/bin/rsync</string>
    <key>ProgramArguments</key>
    <array>
      <string>/opt/local/bin/rsync</string>
      <string>--daemon</string>
    </array>
    <key>inetdCompatibility</key>
    <dict>
      <key>Wait</key>
      <false/>
    </dict>
    <key>Sockets</key>
    <dict>
      <key>Listeners</key>
      <dict>
	<key>SockServiceName</key>
	<string>rsync</string>
	<key>SockType</key>
	<string>stream</string>
      </dict>
    </dict>
  </dict>
</plist>