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File Sharing
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Bonjour
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Not exactly "file sharing"
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Bonjour enables automatic IP address assignment without a DHCP server, name to address translation without a DNS server, and service discovery without a directory serve
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A way for computers to "find" each other (typically on a LAN) and connect without complex configuration.
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Once connected then you can use File Sharing services over that connection.
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Apple Filing Protocol (AFP), default
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File Transfer Protocol (FTP)
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Server Message Block (SMB) protocol.
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Enable sharing
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This is LAN sharing, unless you have a static IP and open router/firewall
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System Preferences --> Sharing --> File Sharing…
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Define the folders you wish to share
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Define the users who can have access and at what level.
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Do this for each folder
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Read Only, Write Only (Dropbox), and Read & Write
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By default the Public folder in your home folder is shared along with it's Dropbox.
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Sharing options
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Share files and Folders using AFP
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Share files and folders using FTP
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FTP usernames and passwords are sent in clear text.
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Use 'Remote Login' and SSH for more secure FTP access
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SSH will use UNIX level accounts, groups, and permissions to control access.
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Go back and listen to Episode 48 with George Starcher to learn tips on securely enabling SSH.
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Share files and folders using SMB (Windows)
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Select specific user accounts.
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What about iOS?
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FTP is not recommend
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Sends authentication and files in plain text
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SFTP (SSH), there are no iOS API's for and no command line access from within an App
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AFP- A complicated protocol, and there's no high-level API for it on iOS.
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WebDAV
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Web-based Distributed Authoring and Versioning (WebDAV)
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A set of methods based on the Hypertext Transfer Protocol (HTTP) that facilitates collaboration between users in editing and managing documents and files stored on World Wide Web servers.
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No high-level APIs for these protocols on iOS or Mac OS X for WebDAV either
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But it's layered on top of HTTP and developers can use OS X and iOS HTTP APIs
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And that's what most do.
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iDisk uses WebDAV protocols.
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Connecting to shared servers
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From the Finder
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Some servers, Bonjour devices, etc. will show up under 'Shared'
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Go-->Connect to Server…
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afp://, cifs://, ftp://, ftps://, http://, https://, nfs://, smb:// or vnc://.
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Authenticate to access non-public folders
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Also an option for "guest" access. "Public" folder.
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Clients
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Most support FTP, SFTP, WebDAV
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Transmit
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Cyberduck
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Interarchy
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In iOS file sharing apps there will usually be an option for 'WiFi' sharing (WebDAV)
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basically sets up a web server and you connect via HTTP protocol
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Can do it by entering the IP or Bonjour address into the Finder or use a web browser.
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iOS File transfer via iTunes
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Some apps support iOS's new file sharing in iTunes
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Unser the 'Apps' menu for the device in iTunes
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Allows you to "Add…" or "Save to…" files
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Closing
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Priority to your emails.
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Hotline: 281-622-4269
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ideas for topics, subjects you'd like covered, etc.
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