File Transfer Protocol(FTP) is Networking Protocol that is used to transfer files from one host to another host based on TCP/IP Network.It Completely works on client server model and make use of separate data and control lines between server and client.User Requires username and password to connect or it may connect anonymously if server is configured to do so.FTP is not able to encrypt its traffic; all transmissions are in clear text, and usernames, passwords, commands and data can be easily read by anyone able to perform packet capture.
This Protocol is totally transaction oriented.A transaction is defined to be an entity of information communicated between cooperating processes.Transaction has three fields:
1)72 bit Descriptor Field
2)Variable Length Data Field(Including Zero)
3)Variable length Filler Field
Hence,Transaction Length=(72 + data + filler) bits.
<Code> :This field has three 8 bit bytes. The first byte is interpreted as transaction type, the second byte as data type and the third byte as extension of data type.
This Protocol is totally transaction oriented.A transaction is defined to be an entity of information communicated between cooperating processes.Transaction has three fields:
1)72 bit Descriptor Field
2)Variable Length Data Field(Including Zero)
3)Variable length Filler Field
Hence,Transaction Length=(72 + data + filler) bits.
<Code> :This field has three 8 bit bytes. The first byte is interpreted as transaction type, the second byte as data type and the third byte as extension of data type.
