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### 4.4 GVFS based external methods

The connection methods described in this section are based on GVFS http://en.wikipedia.org/wiki/GVFS. Via GVFS, the remote filesystem is mounted locally through FUSE. tramp uses internally this local mounted directory.

The communication with GVFS is implemented via D-Bus messages. Therefore, your GNU Emacs must have D-Bus integration, see D-Bus.

`dav`
  This method provides access to WebDAV files and directories. There exists also the external method `davs`, which uses SSL encryption for the access.

  Both methods support the port number specification as discussed above.

`obex`
  OBEX is an FTP-like access protocol for simple devices, like cell phones. Until now tramp supports only OBEX over Bluetooth.
`synce`
  The `synce` method allows communication with Windows Mobile devices. Beside GVFS for mounting remote files and directories via FUSE, it needs also the SYNCE-GVFS plugin.

— User Option: tramp-gvfs-methods

> This customer option, a list, defines the external methods, which shall be used with GVFS. Per default, these are `dav`, `davs`, `obex` and `synce`. Other possible values are `ftp`, `sftp` and `smb`.