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Accessing Evitech network via FTP by Susan Jansson File transfer Protocol (FTP) •An internet protocol that enables the transfer of files from one computer to another. •When downloading files to a computer using Web browser, you often use FTP without even knowing it. •Evitech has a FTP server program which can be accessed with a client program (e.g. WSFTP). How FTP works The Protocol Stack - FTP is a service like HTTP (an application protocol). 3. Application Layer - FTP, HTTP etc. 2. (Security Layer) SSL 1. (Transport Layer) TCP/IP How FTP works (continued..) •The FTP client contacts the remote server FTP daemon which logs a user in. •A command link is opened between the computers. This link stays open for the duration of the FTP session. •When down- or uploading files, a data connection is opened - it closes after the file transfer is completed. FTP session diagram Access Server & Firewall Evitech FTP Server FTP Client Program Files being transferred Your computer Remote computer Files are transferred in FTP data connection in two ways: •ASCII is used for text, but it changes things like line feed and carriage return (NOTE: May affect usability especially in UNIX). •Binary mode transfer leaves files untouched. •Most Windows FTP programs can detect automatically which mode should be used. Connecting to Evitech FTP SETTINGS •Dial-up Number: (09) 72520200 •PPP Account: Unix Account (personal) •PPP Password: (personal) •Server assigned IP Address •Default Gateway: 195.148.144.254 •FTP Server: ftp.evitech.fi •Host type detected automatically FTP Client program view Sources •Evitech Website. •One-day course: Internet E-mail & FTP (DDC Publishing). •Preston Gralla: How the Internet Works. •Clipart by Corel & Nokia website.