From Introduction to Network Management Lectures at Xi'an Jaotong University -- Sept 1998. byRoman Markowski
Security
lack of authentication capabilities in SNMPv1
vulnerability to : masquerading, modification of information, disclosure, management sequence and timing modification
communities defined in SNMP headers serve as a week form of authentication
SNMPv2 - attempt to introduce a new standard that includes encryption and authentication
SNMPv3 - new version which combines SNMPv2u and SNMPv2*
RMONv1, RMONv2 - set of extensions to the SNMP specification that lets a network monitoring device report to the management console in real time about traffic, error conditions, ..
