We support:
- draft-hixie-75 (draft protocol 75)
- draft-hixie-76 (draft protocol 76)
- draft-ietf-01, draft-ietf-02, draft-ietf-03 (draft protocol 03)
- draft-ietf-05 (draft protocol 05)
- draft-ietf-06 (draft protocol 06)
- draft-ietf-07 (draft protocol 07)
- draft-ietf-08 (draft protocol 08)
- draft-ietf-09 and draft-ietf-10 identify themselves as draft-08, so we use draft 08 for those.
- draft-ietf-13, draft-ietf-14, draft-ietf-15, draft-ietf-16 and draft-ietf-17 identify themselves as draft-13, so we use draft 13 for those.