Share File easily between computers using sftp
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Share File easily between computers using sftp (Ubuntu, Linux Mint, OpenSSH). Author: Tushar B Kute (http://tusharkute.com)
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Share File easily between computers using sftp
- 1. Share files easily between computers using sftp Tushar B. Kute [email protected]
- 2. sftp ● The SSH File Transfer Protocol (also Secure File Transfer Protocol, or SFTP) is a network protocol that provides file access, file transfer, and file management functionalities over any reliable data stream. ● It was designed by the Internet Engineering Task Force (IETF) as an extension of the Secure Shell protocol (SSH) version 2.0 to provide secure file transfer capabilities. ● This protocol assumes that it is run over a secure channel, such as SSH, that the server has already authenticated the client, and that the identity of the client user is available to the protocol.
- 3. sftp server and client ● SFTP client – It is a command-line program that implements the client part of this protocol. As an example, the sftp program supplied with OpenSSH implements this. – Some implementations of the scp program support both the SFTP and SCP protocols to perform file transfers, depending on what the server supports. ● SFTP server – There are numerous SFTP server implementations both for UNIX, Windows and z/OS. The most widely known is perhaps OpenSSH, but there are also proprietary implementations. Typically the port used is 22. SFTP file transfer protocol is part of SSH protocol suite.
- 4. What is OpenSSH? ● OpenSSH is a free open source set of computer tools used to provide secure and encrypted communication over a computer network by using the ssh protocol. ● Many people, new to computers and protocols, create a misconception about OpenSSH, they think it is a protocol, but it is not, it is a set of computer programs that use the ssh protocol. ● OpenSSH is developed by the Open BSD group and it is released under Simplified BSD License. ● A main factor which has made possible for OpenSSH to be used so much among system administrators is its multi-platform capability and very useful nice features it has. The latest version is OpenSSH 6.4 which has been released on November 8, 2013.
- 5. Why to use sftp over ftp/telnet? ● The most important reason why should use OpenSSH tools over ftp and telnet is that all communications and user credentials using OpenSSH are encrypted, they are also protected from man in the middle attacks. ● If a third party tries to intercept your connection, OpenSSH detects it and informs you about that.
- 6. Features of OpenSSH ● Secure Communication ● Strong Encryption (3DES, Blowfish, AES, Arcfour) ● X11 Forwarding (encrypt X Window System traffic) ● Port Forwarding (encrypted channels for legacy protocols) ● Strong Authentication (Public Key, One-Time Password and Kerberos Authentication) ● Agent Forwarding (Single-Sign-On) ● Interoperability (Compliance with SSH 1.3, 1.5, and 2.0 protocol Standards) ● SFTP client and server support in both SSH1 and SSH2 protocols. ● Kerberos and AFS Ticket Passing ● Data Compression
- 7. OpenSSH Requirements ● OpenSSH can be installed on any kind of Linux systems and any kind of network connections. ● I have used Ubuntu and Linux Mint in the demonstration. ● Laptop-1: – Dell Vostro with Ubuntu 14.04. – Connected physically to network. ● Laptop-2: – Toshiba Satellite with Linux Mint 17.1 – Connected using Wi-Fi to network.
- 8. Setup in my experiments Laptop-1 Laptop-2 COPY
- 10. OpenSSH Started on Laptop-2
- 11. Check IP of Laptop-1
- 12. Check IP of Laptop-2
- 13. On Laptop-1 ● I want to access the files in Laptop-1 from Laptop-2. ● Use following command to get connected Laptop-1 to Laptop-2 using sftp. Authentication: yes Username of Laptop-2
- 14. Asks the password Type laptop-2 password here
- 15. sftp prompt
- 16. See the files on Laptop-2
- 17. See the same files on Laptop-1 ● Type ls on sftp prompt of Laptop-1
- 18. Copy files (Laptop-2) I want to copy this file to Laptop-1
- 19. Use 'get' command to copy file (Laptop-1) Downloaded to /home folder
- 20. Check the copied file
- 21. Check other sftp commands by typing help
- 22. Other ways to copy files ● Once authentication is completed and connection is done successfully, we can also use following ways to copy the files. – Web browser. – File browser.
- 23. Open firefox
- 24. Type username and password
- 25. Files of Laptop-2 are visible on Laptop-1
- 26. I want to download a file
- 27. Click on the filename and save it
- 28. Check your file browser now By clicking here, you may access the files of laptop-2 directly by file browser
- 29. [email protected] Thank you This presentation is created using LibreOffice Impress 4.2.7.2, can be used freely as per GNU General Public License Blogs http://digitallocha.blogspot.in http://kyamputar.blogspot.in Web Resources http://tusharkute.com