| RFC | Description | Author(s) | Status | Obsoleted by | Updated by |
|---|---|---|---|---|---|
| 6506 | Supporting Authentication Trailer for OSPFv3 | M. Bhatia, V. Manral, A. Lindem | Proposed standard | ||
| 6507 | Elliptic Curve-Based Certificateless Signatures for Identity-Based Encryption (ECCSI) | M. Groves | Informational | ||
| 6508 | Sakai-Kasahara Key Encryption (SAKKE) | M. Groves | Informational | ||
| 6509 | MIKEY-SAKKE: Sakai-Kasahara Key Encryption in Multimedia Internet KEYing (MIKEY) | M. Groves | Informational | ||
| 6518 | Keying and Authentication for Routing Protocols (KARP) Design Guidelines | G. Lebovitz, M. Bhatia | Informational | ||
| 6519 | RADIUS Extensions for Dual-Stack Lite | R. Maglione, A. Durand | Proposed standard | ||
| 6520 | Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension | R. Seggelmann, M. Tuexen, M. Williams | Proposed standard | ||
| 6522 | The Multipart/Report Media Type for the Reporting of Mail System Administrative Messages | M. Kucherawy, Ed. | Standard | RFC 6533 | |
| 6528 | Defending against Sequence Number Attacks | F. Gont, S. Bellovin | Proposed standard | ||
| 6530 | Overview and Framework for Internationalized Email | J. Klensin, Y. Ko | Proposed standard | ||
| 6531 | SMTP Extension for Internationalized Email | J. Yao, W. Mao | Proposed standard | ||
| 6532 | Internationalized Email Headers | A. Yang, S. Steele, N. Freed | Proposed standard | ||
| 6533 | Internationalized Delivery Status and Disposition Notifications | T. Hansen, Ed., C. Newman, A. Melnikov | Proposed standard |