"The Codenomicon tools are amazing. Using them is like being attacked by the most relentless adversary who uses every possible method to find flaws in your code

We fixed subtle crash bugs in Samba that had been in the code for over ten years. We would never have found those bugs without the Codenomicon tools.

If you're serious about implementing protocols correctly, you need the Codenomicon tools."

-- Jeremy Allison,
   Co Creator of Samba


Products by Protocol

Codenomicon TFTP Test Tool Data Sheet

  • Test tool: Codenomicon TFTP Test Tool
  • Direction: Server

Trivial File Transfer Protocol (TFTP) is a simple form of the File Transfer Protocol (FTP). TFTP uses the User Datagram Protocol (UDP) and provides no security features. It is historically used by servers to boot diskless workstations, X-terminals, and routers. Nowadays TFTP is commonly used to update firmware on various embedded devices such as routers and DSL modems. The Codenomicon TFTP Test Tool is a test tool for analysing the implementation-level security and robustness of TFTP server (daemon) implementations.

Used specifications

Specification Title
RFC1350 The TFTP Protocol (Revision 2)
RFC2090 TFTP Multicast Option
RFC2347 TFTP Option Extension
RFC2348 TFTP Blocksize Option
RFC2349 TFTP Timeout Interval and Transfer Size Options

Test tool general features

  • Fully automated black-box negative testing
  • Ready-made test cases
  • Written in Java(tm)
  • GUI, command line, remote interface modes
  • Instrumentation (health-check) capability
  • Support and maintenance
  • Comprehensive user documentation
  • Results reporting and analysis

Tool-specific information

Tested messages Notes Specifications
Read Request (RRQ) RFC1350
Write Request (WRQ) RFC1350
Data RFC1350
Acknowledgment RFC1350
Error RFC1350
Option Acknowledgment RFC2347
Tested TFTP Options Notes Specifications
Block Size RFC2348
Timeout RFC2349
Transfer Size RFC2349
Multicast Tested but not functionally supported RFC2029

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List of available test suites. Please note that the information in these sheets is subject to periodical change.

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