[2] RFC 1848: MIME Object Security Services, 2023-12-02T08:29:14.000Z, 2023-12-02T08:29:15.855Z https://www.rfc-editor.org/rfc/rfc1848

[1] RFC 4450: Getting Rid of the Cruft: Report from an Experiment in Identifying and Reclassifying Obsolete Standards Documents, 2023-12-02T08:22:42.000Z, 2023-12-02T08:27:49.682Z https://www.rfc-editor.org/rfc/rfc4450.html