Configuring System Settings : Configuring SNMP authentication and access control
  
Configuring SNMP authentication and access control
You configure SNMP ACL contact settings to allow events to be reported to an SNMP agent in the SNMP ACLs page.
The features on this page apply to SNMPv1, v2c, and v3 unless noted otherwise:
Security Names—Identify an individual user (v1 or v2c only).
Secure Groups—Identify a security-name, security model by a group, and referred to by a group name.
Secure Views—Create a custom view using the VACM that controls who can access which MIB objects under agent management by including or excluding specific OIDs: for example, some users have access to critical read/write control data, while some users have access only to read-only data.
Security Models—A security model identifies the SNMP version associated with a user for the group in which the user resides.
Secure Access Policies—Defines who gets access to which type of information. An access policy is composed of <group-name, security-model, security-level, read-view-name>.
An access policy is the configurable set of rules, based on which the entity decides how to process a given request.