https://app.knowbase.one/vault/rfc/docid/2132
RFC1910: User-based Security Model for SNMPv2
Network Working Group G. Waters, Editor Request for Comments: 1910 Bell-Northern Research Ltd. Category: Experimental February 1996 User-based Security Model for SNMPv2 Status of this Me...
https://app.knowbase.one/vault/rfc/docid/2857
RFC2574: User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)
Network Working Group U. Blumenthal Request for Comments: 2574 IBM T. J. Watson Research Obsoletes: 2274 B. Wijnen Category: Standards Track IBM T. J. Watson Research ...