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Tecnologia Negócios

Chapter 21 Trivial File Transfer Protocol (TFTP)

CONTENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TFTP uses the services of UDP on the well-known port 69.

Figure 21-2 RRQ Read request Mode: netascii or octet

Figure 21-9 UDP port numbers used by TFTP

Figure 21-11 TELNET with FTP for security

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Ch21

1. Chapter 21 Trivial File Transfer Protocol (TFTP)

3. TFTP uses the services of UDP on the well-known port 69.

4. MESSAGES 21.1

5. Figure 21-1 Message categories

6. Figure 21-2 RRQ Read request Mode: netascii or octet

7. Figure 21-3 WRQ Write request

8. Figure 21-4 DATA format

9. Figure 21-5 ACK format

10. Figure 21-6 ERROR format

11. CONNECTION 21.2

12. Figure 21-7 Connection establishment

13. DATA TRANSFER 21.3

14. Figure 21-8 Sorcerer’s apprentice bug

15. UDP PORTS 21.4

16. Figure 21-9 UDP port numbers used by TFTP

17. 21.5 TFTP EXAMPLE

18. Figure 21-10 TFTP example

19. TFTP OPTIONS 21.6

20. SECURITY 21.7

21. Figure 21-11 TELNET with FTP for security

22. 21.8 APPLICATIONS

23. Figure 21-12 Use of TFTP with BOOTP

Ch21

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