Chap-19 FTP & TFTP - TCP/IP Protocol Suite 1...

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Unformatted text preview: TCP/IP Protocol Suite 1 Chapter 19 Chapter 19 Upon completion you will be able to: File Transfer: File Transfer: FTP and TFTP FTP and TFTP Understand the connections needed for FTP file transfer Be familiar with FTP commands and responses Know the differences between FTP and TFTP Be familiar with TFTP message types Understand TFTP flow and error control Objectives TCP/IP Protocol Suite 2 19.1 FILE TRANSFER PROTOCOL (FTP) File Transfer Protocol (FTP) is the standard mechanism provided by File Transfer Protocol (FTP) is the standard mechanism provided by TCP/IP for copying a file from one host to another. TCP/IP for copying a file from one host to another. The topics discussed in this section include: The topics discussed in this section include: Connections Connections Communication Communication Command Processing Command Processing File Transfer File Transfer Anonymous FTP Anonymous FTP TCP/IP Protocol Suite 3 FTP uses the services of TCP. It needs two TCP connections. The well-known port 21 is used for the control connection and the well-known port 20 for the data connection. Note: Note: TCP/IP Protocol Suite 4 Figure 19.1 FTP TCP/IP Protocol Suite 5 Figure 19.2 Opening the control connection TCP/IP Protocol Suite 6 Figure 19.3 Creating the data connection TCP/IP Protocol Suite 7 Figure 19.4 Using the control connection TCP/IP Protocol Suite 8 Figure 19.5 Using the data connection TCP/IP Protocol Suite 9 Figure 19.6 Command processing TCP/IP Protocol Suite 10 Table 19.1 Table 19.1 Access commands Access commands TCP/IP Protocol Suite 11 Table 19.2 Table 19.2 File management commands File management commands TCP/IP Protocol Suite 12 Table 19.3 Table 19.3 Data formatting commands Data formatting commands TCP/IP Protocol Suite 13 Table 19.4 Table 19.4 Port defining commands Port defining commands TCP/IP Protocol Suite 14 Table 19.5 Table 19.5 File transfer commands File transfer commands TCP/IP Protocol Suite 15 Table 19.5 Table 19.5 File transfer commands (continued) File transfer commands (continued) TCP/IP Protocol Suite 16 Table 19.6 Table 19.6 Miscellaneous commands Miscellaneous commands TCP/IP Protocol Suite 17 Table 19.7 Table 19.7 Responses Responses TCP/IP Protocol Suite 18 Table 19.7 Table 19.7 Responses (continued) Responses (continued) TCP/IP Protocol Suite 19 Table 19.7 Table 19.7 Responses (continued) Responses (continued) TCP/IP Protocol Suite...
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Chap-19 FTP & TFTP - TCP/IP Protocol Suite 1...

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