| 1006 | ISO Transport Service on top of the TCP Version: 3M.T. Rose, D.E. Cass | Internet Standard | May 1987 |
| 1070 | Use of the Internet as a subnetwork for experimentation with the OSI network layerR.A. Hagens, N.E. Hall, M.T. Rose | Unknown | February 1989 |
| 1202 | Directory Assistance serviceM.T. Rose | Informational | February 1991 |
| 1249 | DIXIE Protocol SpecificationT. Howes, M. Smith, B. Beecher | Informational | August 1991 |
| 1274 | The COSINE and Internet X.500 SchemaP. Barker, S. Kille · obsoleted by RFC 4524 | Proposed Standard | November 1991 |
| 1275 | Replication Requirements to provide an Internet Directory using X.500S.E. Hardcastle-Kille | Informational | November 1991 |
| 1276 | Replication and Distributed Operations extensions to provide an Internet Directory using X.500S.E. Hardcastle-Kille | Historic | November 1991 |
| 1277 | Encoding Network Addresses to Support Operation over Non-OSI Lower LayersS.E. Hardcastle-Kille | Proposed Standard | November 1991 |
| 1278 | A string encoding of Presentation AddressS.E. Hardcastle-Kille | Informational | November 1991 |
| 1279 | X.500 and DomainsS.E. Hardcastle-Kille | Experimental | November 1991 |
| 1292 | A Catalog of Available X.500 ImplementationsR. Lang, R. Wright · obsoleted by RFC 1632 | Informational | January 1992 |
| 1484 | Using the OSI Directory to achieve User Friendly Naming (OSI-DS 24 (v1.2))S. Hardcastle-Kille · obsoleted by RFC 1781, RFC 3494 | Historic | July 1993 |
| 1485 | A String Representation of Distinguished Names (OSI-DS 23 (v5))S. Hardcastle-Kille · obsoleted by RFC 1779, RFC 3494 | Historic | July 1993 |
| 1487 | X.500 Lightweight Directory Access ProtocolW. Yeong, T. Howes, S. Kille · obsoleted by RFC 1777, RFC 3494 | Historic | July 1993 |
| 1488 | The X.500 String Representation of Standard Attribute SyntaxesT. Howes, S. Kille, W. Yeong, C. Robbins · obsoleted by RFC 1778 | Proposed Standard | July 1993 |
| 1558 | A String Representation of LDAP Search FiltersT. Howes · obsoleted by RFC 1960 | Informational | December 1993 |
| 1562 | Naming Guidelines for the AARNet X.500 Directory ServiceG. Michaelson, M. Prior | Informational | December 1993 |
| 1565 | Network Services Monitoring MIBS. Kille, N. Freed · obsoleted by RFC 2248 | Proposed Standard | January 1994 |
| 1567 | X.500 Directory Monitoring MIBG. Mansfield, S. Kille · obsoleted by RFC 2605 | Proposed Standard | January 1994 |
| 1608 | Representing IP Information in the X.500 DirectoryT. Johannsen, G. Mansfield, M. Kosters, S. Sataluri | Experimental | March 1994 |
| 1609 | Charting Networks in the X.500 DirectoryG. Mansfield, T. Johannsen, M. Knopper | Experimental | March 1994 |
| 1617 | Naming and Structuring Guidelines for X.500 Directory PilotsP. Barker, S. Kille, T. Lenggenhager | Informational | May 1994 |
| 1632 | A Revised Catalog of Available X.500 ImplementationsA. Getchell, Ed., S. Sataluri, Ed. · obsoleted by RFC 2116 | Informational | May 1994 |
| 1777 | Lightweight Directory Access ProtocolW. Yeong, T. Howes, S. Kille · obsoleted by RFC 3494 | Historic | March 1995 |
| 1778 | The String Representation of Standard Attribute SyntaxesT. Howes, S. Kille, W. Yeong, C. Robbins · obsoleted by RFC 3494 | Historic | March 1995 |
| 1779 | A String Representation of Distinguished NamesS. Kille · obsoleted by RFC 2253, RFC 3494 | Historic | March 1995 |
| 1781 | Using the OSI Directory to Achieve User Friendly NamingS. Kille · obsoleted by RFC 3494 | Historic | March 1995 |
| 1798 | Connection-less Lightweight X.500 Directory Access ProtocolA. Young · obsoleted by RFC 3352 | Historic | June 1995 |
| 1801 | MHS use of the X.500 Directory to support MHS RoutingS. Kille | Experimental | June 1995 |
| 1802 | Introducing Project Long Bud: Internet Pilot Project for the Deployment of X.500 Directory Information in Support of X.400 RoutingH. Alvestrand, K. Jordan, S. Langlois, J. Romaguera | Informational | June 1995 |
| 1803 | Recommendations for an X.500 Production Directory ServiceR. Wright, A. Getchell, T. Howes, S. Sataluri, P. Yee, W. Yeong | Informational | June 1995 |
| 1804 | Schema Publishing in X.500 DirectoryG. Mansfield, P. Rajeev, S. Raghavan, T. Howes | Experimental | June 1995 |
| 1823 | The LDAP Application Program InterfaceT. Howes, M. Smith | Informational | August 1995 |
| 1836 | Representing the O/R Address hierarchy in the X.500 Directory Information TreeS. Kille · obsoleted by RFC 2294 | Experimental | August 1995 |
| 1837 | Representing Tables and Subtrees in the X.500 DirectoryS. Kille · obsoleted by RFC 2293 | Experimental | August 1995 |
| 1838 | Use of the X.500 Directory to support mapping between X.400 and RFC 822 AddressesS. Kille · obsoleted by RFC 2164 | Experimental | August 1995 |