https://app.knowbase.one/vault/rfc/docid/1287
RFC1143: The Q Method of Implementing TELNET Option Negotiation
Network Working Group D. Bernstein Request for Comments: 1143 NYU February 1990 The Q Method of Implementing TELNET Option Negotiation Status ...
https://app.knowbase.one/vault/rfc/docid/1993
RFC1782: TFTP Option Extension
Network Working Group G. Malkin Request for Comments: 1782 Xylogics, Inc. Updates: 1350 A. Harkin Category: Standards Track Hewlett Packard Co. ...