Cited in: RFC 2243

5 RFCs mentioned in the text of RFC 2243 (OTP Extended Responses)

RFC	Title	Status	Date
822	STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGESD. Crocker · obsoleted by RFC 2822	Internet Standard	August 1982
1825	Security Architecture for the Internet ProtocolR. Atkinson · obsoleted by RFC 2401	Proposed Standard	August 1995
1826	IP Authentication HeaderR. Atkinson · obsoleted by RFC 2402	Proposed Standard	August 1995
1938	A One-Time Password SystemN. Haller, C. Metz · obsoleted by RFC 2289	Proposed Standard	May 1996
2119	Key words for use in RFCs to Indicate Requirement LevelsS. Bradner	Best Current Practice	March 1997