Cited by: RFC 669
2 RFCs whose text mentions RFC 669 (November, 1974, survey of New-Protocol Telnet servers), newest first
| RFC | Title | Status | Date |
|---|---|---|---|
| 1012 | Bibliography of Request For Comments 1 through 999 | Informational | June 1987 |
| 694 | Protocol information | Unknown | June 1975 |