This document provides an overview of the File Transfer Protocol (FTP). It describes FTP as a standard network protocol for transferring files between a client and server. It outlines the key components of FTP including communication methods, data transfer modes, login facilities, commands, security issues and examples of FTP clients and servers. The document serves to introduce FTP and its objectives to share files between systems reliably and efficiently.
A VPN (Virtual Private Network) extends a private network across a public network, such as the
Internet.
A VPN is a network that uses a public telecommunication infrastructure, such as the Internet, to provide
remote offices or individual users with secure access to their organization's network. A VPN ensures
privacy through security procedures and tunneling protocols such as the Layer Two Tunneling Protocol
(L2TP). Data is encrypted at the sending end and decrypted at the receiving end.
A VPN (Virtual Private Network) extends a private network across a public network, such as the
Internet.
A VPN is a network that uses a public telecommunication infrastructure, such as the Internet, to provide
remote offices or individual users with secure access to their organization's network. A VPN ensures
privacy through security procedures and tunneling protocols such as the Layer Two Tunneling Protocol
(L2TP). Data is encrypted at the sending end and decrypted at the receiving end.
The Network File System (NFS) is the most widely used network-based file system. NFS’s initial simple design and Sun Microsystems’ willingness to publicize the protocol and code samples to the community contributed to making NFS the most successful remote access file system. NFS implementations are available for numerous Unix systems, several Windows-based systems, and others.
Overview of the FTP protocol.
In the early days of the Internet, applications were mostly restricted to mail transfer (email) and file transfer. FTP (File Transfer Protocol) is one of the first standardized protocols for exchanging binary and text files between hosts.
FTP is rather simple in that it uses a TCP connection for exchanging commands and a data transfer TCP connection for the actual file transfer.
In normal FTP operation, the client opens the control connection to the FTP server while it is up to the server to open data connections for each file transfer. With the upcoming firewalls, this scheme proved to pose a problem since firewalls tend to block incoming TCP connections. Thus a passive mode was defined where the client is responsible to open the data connection to the server.
Telnet and SSH configuration on ubuntu and windows. this presentation show how we can configure telnet and ssh on windows and linux and what additional software we will have to required.
Overview of VPN protocols.
VPNs (Virtual Private Networks) are often viewed from the perspective of security with the goal of providing authentication and confidentiality.
However, the primary purpose of VPNs is to connect 2 topologically separated private networks over a public network (typically the Internet).
VPNs basically hook a network logically into another network so that both appear as one private local network.
Security is a possible add-on to VPNs. In many cases it makes perfectly sense to secure the VPNs communication over the unsecure public network.
VPN protocols typically employ a tunnel where data packets of the local network are encapsulated in an outer protocol for transmission over the public network.
The most important VPN protocols are IPSec, PPTP and L2TP. In recent years SSL/TLS based VPNs such as OpenVPN have gained widespread adoption.
File transfer protocol
• FTP (File Transfer Protocol) is the simplest and most secure way to exchange files over the Internet.
• Transferring files from a client computer to a server computer is called uploading and transferring from a server to a client is downloading.
• To access an FTP server, users must be able to connect to the Internet or an intranet (via a modem or local area network) with an FTP client program.
Slide Contains:
1. Introduction
2. Objectives of FTP
3. Mechanism of FTP
4. types of connections in FTP
5. FTP Clients
6. Advantages of FTP
7. Disadvantages of FTP
Extras: Animations & meme :)
The Network File System (NFS) is the most widely used network-based file system. NFS’s initial simple design and Sun Microsystems’ willingness to publicize the protocol and code samples to the community contributed to making NFS the most successful remote access file system. NFS implementations are available for numerous Unix systems, several Windows-based systems, and others.
Overview of the FTP protocol.
In the early days of the Internet, applications were mostly restricted to mail transfer (email) and file transfer. FTP (File Transfer Protocol) is one of the first standardized protocols for exchanging binary and text files between hosts.
FTP is rather simple in that it uses a TCP connection for exchanging commands and a data transfer TCP connection for the actual file transfer.
In normal FTP operation, the client opens the control connection to the FTP server while it is up to the server to open data connections for each file transfer. With the upcoming firewalls, this scheme proved to pose a problem since firewalls tend to block incoming TCP connections. Thus a passive mode was defined where the client is responsible to open the data connection to the server.
Telnet and SSH configuration on ubuntu and windows. this presentation show how we can configure telnet and ssh on windows and linux and what additional software we will have to required.
Overview of VPN protocols.
VPNs (Virtual Private Networks) are often viewed from the perspective of security with the goal of providing authentication and confidentiality.
However, the primary purpose of VPNs is to connect 2 topologically separated private networks over a public network (typically the Internet).
VPNs basically hook a network logically into another network so that both appear as one private local network.
Security is a possible add-on to VPNs. In many cases it makes perfectly sense to secure the VPNs communication over the unsecure public network.
VPN protocols typically employ a tunnel where data packets of the local network are encapsulated in an outer protocol for transmission over the public network.
The most important VPN protocols are IPSec, PPTP and L2TP. In recent years SSL/TLS based VPNs such as OpenVPN have gained widespread adoption.
File transfer protocol
• FTP (File Transfer Protocol) is the simplest and most secure way to exchange files over the Internet.
• Transferring files from a client computer to a server computer is called uploading and transferring from a server to a client is downloading.
• To access an FTP server, users must be able to connect to the Internet or an intranet (via a modem or local area network) with an FTP client program.
Slide Contains:
1. Introduction
2. Objectives of FTP
3. Mechanism of FTP
4. types of connections in FTP
5. FTP Clients
6. Advantages of FTP
7. Disadvantages of FTP
Extras: Animations & meme :)
Respond to the statement below.One of the best protocols today for.pdfrufohudsonak74125
Respond to the statement below.
One of the best protocols today for reducing packet loss is FTP
Solution
FTP makes use of a consumer-server structure. users provide authentication the use of a signal-in
protocol, commonly a username and password, but a few FTP servers may be configured to just
accept anonymous FTP logins wherein you don\'t need to become aware of your self before
accessing files. most often, FTP is secured with SSL/TLS.
how to FTP
files can be transferred between computers the usage of FTP software program. The user\'s pc is
called the neighborhood host system and is hooked up to the internet. the second one device,
known as the remote host, is also running FTP software and related to the net.
The neighborhood host machine connects to the faraway host\'s IP address.
The user would enter a username/password (or use nameless).
FTP software program may additionally have a GUI, allowing users to pull and drop documents
between the far off and nearby host. If no longer, a series of FTP commands are used to log in to
the far flung host and switch documents among the machines..
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
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2. Contents
Introduction to FTP
Objective
Communication and data transfer
FTP login facilities
Syntax
Security issues
FTP commands
FTP reply codes
List of FTP clients
List of FTP servers
Conclusion
3. Introduction to FTP
FTP – File transfer protocol in the application layer
Standard network protocol
Authenticate- clear text sign in protocol
Command line applications – The first FTP client
Secured transmissions –SSL / TLS
4. Objective
Sharing of files
Indirect use of remote computers
Protect the user from variations in file storage
Transfer of data reliably & efficiently
5. Communication and data transfer
The server responds,
3- digit status code
Optional text message
Eg: 200 OK
6. Contd…
FTP may run in two modes,
Active mode
Passive mode- PASV command
7. Data representations
Transfer data over network,
ASCII
Image/binary mode
EBCDIC mode
Local mode
8. Contd…
ASCII- Used for text
Image/binary mode- byte transactions
EBCDIC mode- 8 bit character encoding used in IBM
Local mode- sends data in proprietary format
9. Data transfer
Data transfer can be done in three modes,
Stream mode
Block mode
Compressed mode
10. Contd…
Stream mode - continuous stream of data
Block mode – several blocks namely block header, byte
count and data field.
Compressed mode- data is compressed using run length
encoding
Run- length encoding
Eg. wwwwbbwwbbw-4w2b2w2b1w
17. FTPS
FTPS is an extension to the FTP standard that allows
clients to request that the FTP session be encrypted.
AUTH TLS command.
The server has the option of allowing or denying
connections that do not request TLS.
18. SFTP
SFTP, or secure FTP, is a program that uses Secure Shell
(SSH) to transfer files.
Preventing passwords and sensitive information from
being transmitted
FTP clients cannot be used to talk to an SFTP server
19. FTP over SSH (not SFTP)
FTP over SSH (not SFTP) refers to the practice of
tunneling a normal FTP session over an SSH connection
No confidentiality or integrity protection
20. List Of FTP Commands
GET
ABOR
DELE
PASS
AUTH
RNTO
PWD
MODE
ALLO
RMD
21. FTP Reply Codes
3-digit code
The first digit is used to indicate one of three possible
outcomes—success, failure or to indicate an error or
incomplete reply
2yz
4yz or 5yz
1yz or 3yz
22. Contd…
The second digit defines the kind of error:
x0z – Syntax
x1z – Information
x2z – Connections
x3z – Authentication and accounting
x5z – File system
The third digit of the reply code is used to provide
additional details.
23. LIST OF FTP CLIENTS
Cyberduck
lftp
gftp
FireFTP
FileZilla
24. Cyberduck
The developers of the cyberduck are David V. Kocher,
Yves Langisch
Java language.
Cyberduck is an open source FTP and SFTP client for
Mac OS X and Windows
Supports FTP/TLS- using ―AUTH TLS‖ command.
25. FireFTP
It is developed by Mime Čuvalo
FireFTP is a free, open source, cross-platform FTP client
for Mozilla Firefox in the form of an add-on.
It supports FTP, FTPS, and SFTP.
FireFTP runs on platforms that Firefox supports
FireFTP is activated from the Tools menu, opening a
two-pane view within a Firefox window
26. gftp
gftp was developed by Brian Masney
gFTP is an open source multithreaded FTP client.
Used on Unix-like systems, such as Linux, Mac OS X
Support for the FTP, FTPS ,HTTP, HTTPS and SFTP
protocols
27. lftp
lftp was developed by Alexander V. Lukyanov
lftp is a command-line file transfer program for UNIX
and Unix-like systems
supports FTPS, HTTP, HTTPS, HFTP , FISH and SFTP by
specifying the desired protocol in a location URL
Features -location bookmarks and resuming downloads.
28. List of FTP servers
Robo-FTP server
FileZilla server
EFT server
Complete FTP
29. Robo-FTP server
Robo-FTP Server is a secure, automated Windows FTP
server
It supports FTP, FTPS, and SFTP connections.
It offers event-driven automation for encryption,
decryption, zip, unzip, move, copy, delete, email
notification, database operations
30. CompleteFTP
CompleteFTP is a proprietary FTP server for Windows
that supports FTP, FTPS, SFTP, SCP, HTTP and HTTPS
Features -Protocol translation (e.g. from FTP to SFTP, or
FTP to FTPS)
Remote administration
31. The recent products of FTP client
and server,
Cute FTP
Turbosoft FTP
Smart FTP
FTP rush
Wing FTP server
32. Conclusion
Thus the ftp client and server play a major role in
transferring file from the client and server.
The emerging products of FTP client and server will
transfer the file effectively.
