| 265 | The File Transfer ProtocolA. Bhushan, B. Braden, W. Crowther, E. Harslem, J. Heafner, A. McKenzie, J. Melvin, B. Sundberg, D. Watson, J. White · obsoleted by RFC 354 | Unknown | November 1971 |
| 264 | The Data Transfer ProtocolA. Bhushan, B. Braden, W. Crowther, E. Harslem, J. Heafner, A. McKenize, B. Sundberg, D. Watson, J. White · obsoleted by RFC 354 | Unknown | January 1972 |
| 172 | The File Transfer ProtocolA. Bhushan, B. Braden, W. Crowther, E. Harslem, J. Heafner, A. McKenzie, J. Melvin, B. Sundberg, D. Watson, J. White · obsoleted by RFC 265 | Unknown | June 1971 |
| 171 | The Data Transfer ProtocolA. Bhushan, B. Braden, W. Crowther, E. Harslem, J. Heafner, A. McKenize, J. Melvin, B. Sundberg, D. Watson, J. White · obsoleted by RFC 264 | Unknown | June 1971 |