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Edit File : SNMP-VIEW-BASED-ACM-MIB.txt \| Size : 33.36 KB
SNMP-VIEW-BASED-ACM-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF MODULE-IDENTITY, OBJECT-TYPE, snmpModules FROM SNMPv2-SMI TestAndIncr, RowStatus, StorageType FROM SNMPv2-TC SnmpAdminString, SnmpSecurityLevel, SnmpSecurityModel FROM SNMP-FRAMEWORK-MIB; snmpVacmMIB MODULE-IDENTITY LAST-UPDATED "200210160000Z" -- 16 Oct 2002, midnight ORGANIZATION "SNMPv3 Working Group" CONTACT-INFO "WG-email: snmpv3@lists.tislabs.com Subscribe: majordomo@lists.tislabs.com In message body: subscribe snmpv3 Co-Chair: Russ Mundy Network Associates Laboratories postal: 15204 Omega Drive, Suite 300 Rockville, MD 20850-4601 USA email: mundy@tislabs.com phone: +1 301-947-7107 Co-Chair: David Harrington Enterasys Networks Postal: 35 Industrial Way P. O. Box 5004 Rochester, New Hampshire 03866-5005 USA EMail: dbh@enterasys.com Phone: +1 603-337-2614 Co-editor: Bert Wijnen Lucent Technologies postal: Schagen 33 3461 GL Linschoten Netherlands email: bwijnen@lucent.com phone: +31-348-480-685 Co-editor: Randy Presuhn BMC Software, Inc. postal: 2141 North First Street San Jose, CA 95131 USA email: randy_presuhn@bmc.com phone: +1 408-546-1006 Co-editor: Keith McCloghrie Cisco Systems, Inc. postal: 170 West Tasman Drive San Jose, CA 95134-1706 USA email: kzm@cisco.com phone: +1-408-526-5260 " DESCRIPTION "The management information definitions for the View-based Access Control Model for SNMP. Copyright (C) The Internet Society (2002). This version of this MIB module is part of RFC 3415; see the RFC itself for full legal notices. " -- Revision history REVISION "200210160000Z" -- 16 Oct 2002, midnight DESCRIPTION "Clarifications, published as RFC3415" REVISION "199901200000Z" -- 20 Jan 1999, midnight DESCRIPTION "Clarifications, published as RFC2575" REVISION "199711200000Z" -- 20 Nov 1997, midnight DESCRIPTION "Initial version, published as RFC2275" ::= { snmpModules 16 } -- Administrative assignments ************************************** vacmMIBObjects OBJECT IDENTIFIER ::= { snmpVacmMIB 1 } vacmMIBConformance OBJECT IDENTIFIER ::= { snmpVacmMIB 2 } -- Information about Local Contexts ****************************** vacmContextTable OBJECT-TYPE SYNTAX SEQUENCE OF VacmContextEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The table of locally available contexts. This table provides information to SNMP Command Generator applications so that they can properly configure the vacmAccessTable to control access to all contexts at the SNMP entity. This table may change dynamically if the SNMP entity allows that contexts are added/deleted dynamically (for instance when its configuration changes). Such changes would happen only if the management instrumentation at that SNMP entity recognizes more (or fewer) contexts. The presence of entries in this table and of entries in the vacmAccessTable are independent. That is, a context identified by an entry in this table is not necessarily referenced by any entries in the vacmAccessTable; and the context(s) referenced by an entry in the vacmAccessTable does not necessarily currently exist and thus need not be identified by an entry in this table. This table must be made accessible via the default context so that Command Responder applications have a standard way of retrieving the information. This table is read-only. It cannot be configured via SNMP. " ::= { vacmMIBObjects 1 } vacmContextEntry OBJECT-TYPE SYNTAX VacmContextEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information about a particular context." INDEX { vacmContextName } ::= { vacmContextTable 1 } VacmContextEntry ::= SEQUENCE { vacmContextName SnmpAdminString } vacmContextName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..32)) MAX-ACCESS read-only STATUS current DESCRIPTION "A human readable name identifying a particular context at a particular SNMP entity. The empty contextName (zero length) represents the default context. " ::= { vacmContextEntry 1 } -- Information about Groups ************************************** vacmSecurityToGroupTable OBJECT-TYPE SYNTAX SEQUENCE OF VacmSecurityToGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table maps a combination of securityModel and securityName into a groupName which is used to define an access control policy for a group of principals. " ::= { vacmMIBObjects 2 } vacmSecurityToGroupEntry OBJECT-TYPE SYNTAX VacmSecurityToGroupEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry in this table maps the combination of a securityModel and securityName into a groupName. " INDEX { vacmSecurityModel, vacmSecurityName } ::= { vacmSecurityToGroupTable 1 } VacmSecurityToGroupEntry ::= SEQUENCE { vacmSecurityModel SnmpSecurityModel, vacmSecurityName SnmpAdminString, vacmGroupName SnmpAdminString, vacmSecurityToGroupStorageType StorageType, vacmSecurityToGroupStatus RowStatus } vacmSecurityModel OBJECT-TYPE SYNTAX SnmpSecurityModel(1..2147483647) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The Security Model, by which the vacmSecurityName referenced by this entry is provided. Note, this object may not take the 'any' (0) value. " ::= { vacmSecurityToGroupEntry 1 } vacmSecurityName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..32)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The securityName for the principal, represented in a Security Model independent format, which is mapped by this entry to a groupName. " ::= { vacmSecurityToGroupEntry 2 } vacmGroupName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..32)) MAX-ACCESS read-create STATUS current DESCRIPTION "The name of the group to which this entry (e.g., the combination of securityModel and securityName) belongs. This groupName is used as index into the vacmAccessTable to select an access control policy. However, a value in this table does not imply that an instance with the value exists in table vacmAccesTable. " ::= { vacmSecurityToGroupEntry 3 } vacmSecurityToGroupStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row. " DEFVAL { nonVolatile } ::= { vacmSecurityToGroupEntry 4 } vacmSecurityToGroupStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. Until instances of all corresponding columns are appropriately configured, the value of the corresponding instance of the vacmSecurityToGroupStatus column is 'notReady'. In particular, a newly created row cannot be made active until a value has been set for vacmGroupName. The RowStatus TC [RFC2579] requires that this DESCRIPTION clause states under which circumstances other objects in this row can be modified: The value of this object has no effect on whether other objects in this conceptual row can be modified. " ::= { vacmSecurityToGroupEntry 5 } -- Information about Access Rights ******************************* vacmAccessTable OBJECT-TYPE SYNTAX SEQUENCE OF VacmAccessEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The table of access rights for groups. Each entry is indexed by a groupName, a contextPrefix, a securityModel and a securityLevel. To determine whether access is allowed, one entry from this table needs to be selected and the proper viewName from that entry must be used for access control checking. To select the proper entry, follow these steps: 1) the set of possible matches is formed by the intersection of the following sets of entries: the set of entries with identical vacmGroupName the union of these two sets: - the set with identical vacmAccessContextPrefix - the set of entries with vacmAccessContextMatch value of 'prefix' and matching vacmAccessContextPrefix intersected with the union of these two sets: - the set of entries with identical vacmSecurityModel - the set of entries with vacmSecurityModel value of 'any' intersected with the set of entries with vacmAccessSecurityLevel value less than or equal to the requested securityLevel 2) if this set has only one member, we're done otherwise, it comes down to deciding how to weight the preferences between ContextPrefixes, SecurityModels, and SecurityLevels as follows: a) if the subset of entries with securityModel matching the securityModel in the message is not empty, then discard the rest. b) if the subset of entries with vacmAccessContextPrefix matching the contextName in the message is not empty, then discard the rest c) discard all entries with ContextPrefixes shorter than the longest one remaining in the set d) select the entry with the highest securityLevel Please note that for securityLevel noAuthNoPriv, all groups are really equivalent since the assumption that the securityName has been authenticated does not hold. " ::= { vacmMIBObjects 4 } vacmAccessEntry OBJECT-TYPE SYNTAX VacmAccessEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An access right configured in the Local Configuration Datastore (LCD) authorizing access to an SNMP context. Entries in this table can use an instance value for object vacmGroupName even if no entry in table vacmAccessSecurityToGroupTable has a corresponding value for object vacmGroupName. " INDEX { vacmGroupName, vacmAccessContextPrefix, vacmAccessSecurityModel, vacmAccessSecurityLevel } ::= { vacmAccessTable 1 } VacmAccessEntry ::= SEQUENCE { vacmAccessContextPrefix SnmpAdminString, vacmAccessSecurityModel SnmpSecurityModel, vacmAccessSecurityLevel SnmpSecurityLevel, vacmAccessContextMatch INTEGER, vacmAccessReadViewName SnmpAdminString, vacmAccessWriteViewName SnmpAdminString, vacmAccessNotifyViewName SnmpAdminString, vacmAccessStorageType StorageType, vacmAccessStatus RowStatus } vacmAccessContextPrefix OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..32)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "In order to gain the access rights allowed by this conceptual row, a contextName must match exactly (if the value of vacmAccessContextMatch is 'exact') or partially (if the value of vacmAccessContextMatch is 'prefix') to the value of the instance of this object. " ::= { vacmAccessEntry 1 } vacmAccessSecurityModel OBJECT-TYPE SYNTAX SnmpSecurityModel MAX-ACCESS not-accessible STATUS current DESCRIPTION "In order to gain the access rights allowed by this conceptual row, this securityModel must be in use. " ::= { vacmAccessEntry 2 } vacmAccessSecurityLevel OBJECT-TYPE SYNTAX SnmpSecurityLevel MAX-ACCESS not-accessible STATUS current DESCRIPTION "The minimum level of security required in order to gain the access rights allowed by this conceptual row. A securityLevel of noAuthNoPriv is less than authNoPriv which in turn is less than authPriv. If multiple entries are equally indexed except for this vacmAccessSecurityLevel index, then the entry which has the highest value for vacmAccessSecurityLevel is selected. " ::= { vacmAccessEntry 3 } vacmAccessContextMatch OBJECT-TYPE SYNTAX INTEGER { exact (1), -- exact match of prefix and contextName prefix (2) -- Only match to the prefix } MAX-ACCESS read-create STATUS current DESCRIPTION "If the value of this object is exact(1), then all rows where the contextName exactly matches vacmAccessContextPrefix are selected. If the value of this object is prefix(2), then all rows where the contextName whose starting octets exactly match vacmAccessContextPrefix are selected. This allows for a simple form of wildcarding. " DEFVAL { exact } ::= { vacmAccessEntry 4 } vacmAccessReadViewName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..32)) MAX-ACCESS read-create STATUS current DESCRIPTION "The value of an instance of this object identifies the MIB view of the SNMP context to which this conceptual row authorizes read access. The identified MIB view is that one for which the vacmViewTreeFamilyViewName has the same value as the instance of this object; if the value is the empty string or if there is no active MIB view having this value of vacmViewTreeFamilyViewName, then no access is granted. " DEFVAL { ''H } -- the empty string ::= { vacmAccessEntry 5 } vacmAccessWriteViewName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..32)) MAX-ACCESS read-create STATUS current DESCRIPTION "The value of an instance of this object identifies the MIB view of the SNMP context to which this conceptual row authorizes write access. The identified MIB view is that one for which the vacmViewTreeFamilyViewName has the same value as the instance of this object; if the value is the empty string or if there is no active MIB view having this value of vacmViewTreeFamilyViewName, then no access is granted. " DEFVAL { ''H } -- the empty string ::= { vacmAccessEntry 6 } vacmAccessNotifyViewName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(0..32)) MAX-ACCESS read-create STATUS current DESCRIPTION "The value of an instance of this object identifies the MIB view of the SNMP context to which this conceptual row authorizes access for notifications. The identified MIB view is that one for which the vacmViewTreeFamilyViewName has the same value as the instance of this object; if the value is the empty string or if there is no active MIB view having this value of vacmViewTreeFamilyViewName, then no access is granted. " DEFVAL { ''H } -- the empty string ::= { vacmAccessEntry 7 } vacmAccessStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row. " DEFVAL { nonVolatile } ::= { vacmAccessEntry 8 } vacmAccessStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. The RowStatus TC [RFC2579] requires that this DESCRIPTION clause states under which circumstances other objects in this row can be modified: The value of this object has no effect on whether other objects in this conceptual row can be modified. " ::= { vacmAccessEntry 9 } -- Information about MIB views ************************************* -- Support for instance-level granularity is optional. -- -- In some implementations, instance-level access control -- granularity may come at a high performance cost. Managers -- should avoid requesting such configurations unnecessarily. vacmMIBViews OBJECT IDENTIFIER ::= { vacmMIBObjects 5 } vacmViewSpinLock OBJECT-TYPE SYNTAX TestAndIncr MAX-ACCESS read-write STATUS current DESCRIPTION "An advisory lock used to allow cooperating SNMP Command Generator applications to coordinate their use of the Set operation in creating or modifying views. When creating a new view or altering an existing view, it is important to understand the potential interactions with other uses of the view. The vacmViewSpinLock should be retrieved. The name of the view to be created should be determined to be unique by the SNMP Command Generator application by consulting the vacmViewTreeFamilyTable. Finally, the named view may be created (Set), including the advisory lock. If another SNMP Command Generator application has altered the views in the meantime, then the spin lock's value will have changed, and so this creation will fail because it will specify the wrong value for the spin lock. Since this is an advisory lock, the use of this lock is not enforced. " ::= { vacmMIBViews 1 } vacmViewTreeFamilyTable OBJECT-TYPE SYNTAX SEQUENCE OF VacmViewTreeFamilyEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Locally held information about families of subtrees within MIB views. Each MIB view is defined by two sets of view subtrees: - the included view subtrees, and - the excluded view subtrees. Every such view subtree, both the included and the excluded ones, is defined in this table. To determine if a particular object instance is in a particular MIB view, compare the object instance's OBJECT IDENTIFIER with each of the MIB view's active entries in this table. If none match, then the object instance is not in the MIB view. If one or more match, then the object instance is included in, or excluded from, the MIB view according to the value of vacmViewTreeFamilyType in the entry whose value of vacmViewTreeFamilySubtree has the most sub-identifiers. If multiple entries match and have the same number of sub-identifiers (when wildcarding is specified with the value of vacmViewTreeFamilyMask), then the lexicographically greatest instance of vacmViewTreeFamilyType determines the inclusion or exclusion. An object instance's OBJECT IDENTIFIER X matches an active entry in this table when the number of sub-identifiers in X is at least as many as in the value of vacmViewTreeFamilySubtree for the entry, and each sub-identifier in the value of vacmViewTreeFamilySubtree matches its corresponding sub-identifier in X. Two sub-identifiers match either if the corresponding bit of the value of vacmViewTreeFamilyMask for the entry is zero (the 'wild card' value), or if they are equal. A 'family' of subtrees is the set of subtrees defined by a particular combination of values of vacmViewTreeFamilySubtree and vacmViewTreeFamilyMask. In the case where no 'wild card' is defined in the vacmViewTreeFamilyMask, the family of subtrees reduces to a single subtree. When creating or changing MIB views, an SNMP Command Generator application should utilize the vacmViewSpinLock to try to avoid collisions. See DESCRIPTION clause of vacmViewSpinLock. When creating MIB views, it is strongly advised that first the 'excluded' vacmViewTreeFamilyEntries are created and then the 'included' entries. When deleting MIB views, it is strongly advised that first the 'included' vacmViewTreeFamilyEntries are deleted and then the 'excluded' entries. If a create for an entry for instance-level access control is received and the implementation does not support instance-level granularity, then an inconsistentName error must be returned. " ::= { vacmMIBViews 2 } vacmViewTreeFamilyEntry OBJECT-TYPE SYNTAX VacmViewTreeFamilyEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information on a particular family of view subtrees included in or excluded from a particular SNMP context's MIB view. Implementations must not restrict the number of families of view subtrees for a given MIB view, except as dictated by resource constraints on the overall number of entries in the vacmViewTreeFamilyTable. If no conceptual rows exist in this table for a given MIB view (viewName), that view may be thought of as consisting of the empty set of view subtrees. " INDEX { vacmViewTreeFamilyViewName, vacmViewTreeFamilySubtree } ::= { vacmViewTreeFamilyTable 1 } VacmViewTreeFamilyEntry ::= SEQUENCE { vacmViewTreeFamilyViewName SnmpAdminString, vacmViewTreeFamilySubtree OBJECT IDENTIFIER, vacmViewTreeFamilyMask OCTET STRING, vacmViewTreeFamilyType INTEGER, vacmViewTreeFamilyStorageType StorageType, vacmViewTreeFamilyStatus RowStatus } vacmViewTreeFamilyViewName OBJECT-TYPE SYNTAX SnmpAdminString (SIZE(1..32)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The human readable name for a family of view subtrees. " ::= { vacmViewTreeFamilyEntry 1 } vacmViewTreeFamilySubtree OBJECT-TYPE SYNTAX OBJECT IDENTIFIER MAX-ACCESS not-accessible STATUS current DESCRIPTION "The MIB subtree which when combined with the corresponding instance of vacmViewTreeFamilyMask defines a family of view subtrees. " ::= { vacmViewTreeFamilyEntry 2 } vacmViewTreeFamilyMask OBJECT-TYPE SYNTAX OCTET STRING (SIZE (0..16)) MAX-ACCESS read-create STATUS current DESCRIPTION "The bit mask which, in combination with the corresponding instance of vacmViewTreeFamilySubtree, defines a family of view subtrees. Each bit of this bit mask corresponds to a sub-identifier of vacmViewTreeFamilySubtree, with the most significant bit of the i-th octet of this octet string value (extended if necessary, see below) corresponding to the (8i - 7)-th sub-identifier, and the least significant bit of the i-th octet of this octet string corresponding to the (8i)-th sub-identifier, where i is in the range 1 through 16. Each bit of this bit mask specifies whether or not the corresponding sub-identifiers must match when determining if an OBJECT IDENTIFIER is in this family of view subtrees; a '1' indicates that an exact match must occur; a '0' indicates 'wild card', i.e., any sub-identifier value matches. Thus, the OBJECT IDENTIFIER X of an object instance is contained in a family of view subtrees if, for each sub-identifier of the value of vacmViewTreeFamilySubtree, either: the i-th bit of vacmViewTreeFamilyMask is 0, or the i-th sub-identifier of X is equal to the i-th sub-identifier of the value of vacmViewTreeFamilySubtree. If the value of this bit mask is M bits long and there are more than M sub-identifiers in the corresponding instance of vacmViewTreeFamilySubtree, then the bit mask is extended with 1's to be the required length. Note that when the value of this object is the zero-length string, this extension rule results in a mask of all-1's being used (i.e., no 'wild card'), and the family of view subtrees is the one view subtree uniquely identified by the corresponding instance of vacmViewTreeFamilySubtree. Note that masks of length greater than zero length do not need to be supported. In this case this object is made read-only. " DEFVAL { ''H } ::= { vacmViewTreeFamilyEntry 3 } vacmViewTreeFamilyType OBJECT-TYPE SYNTAX INTEGER { included(1), excluded(2) } MAX-ACCESS read-create STATUS current DESCRIPTION "Indicates whether the corresponding instances of vacmViewTreeFamilySubtree and vacmViewTreeFamilyMask define a family of view subtrees which is included in or excluded from the MIB view. " DEFVAL { included } ::= { vacmViewTreeFamilyEntry 4 } vacmViewTreeFamilyStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row. " DEFVAL { nonVolatile } ::= { vacmViewTreeFamilyEntry 5 } vacmViewTreeFamilyStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this conceptual row. The RowStatus TC [RFC2579] requires that this DESCRIPTION clause states under which circumstances other objects in this row can be modified: The value of this object has no effect on whether other objects in this conceptual row can be modified. " ::= { vacmViewTreeFamilyEntry 6 } -- Conformance information ***************************************** vacmMIBCompliances OBJECT IDENTIFIER ::= { vacmMIBConformance 1 } vacmMIBGroups OBJECT IDENTIFIER ::= { vacmMIBConformance 2 } -- Compliance statements ***************************************** vacmMIBCompliance MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for SNMP engines which implement the SNMP View-based Access Control Model configuration MIB. " MODULE -- this module MANDATORY-GROUPS { vacmBasicGroup } OBJECT vacmAccessContextMatch MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmAccessReadViewName MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmAccessWriteViewName MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmAccessNotifyViewName MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmAccessStorageType MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmAccessStatus MIN-ACCESS read-only DESCRIPTION "Create/delete/modify access to the vacmAccessTable is not required. " OBJECT vacmViewTreeFamilyMask WRITE-SYNTAX OCTET STRING (SIZE (0)) MIN-ACCESS read-only DESCRIPTION "Support for configuration via SNMP of subtree families using wild-cards is not required. " OBJECT vacmViewTreeFamilyType MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmViewTreeFamilyStorageType MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT vacmViewTreeFamilyStatus MIN-ACCESS read-only DESCRIPTION "Create/delete/modify access to the vacmViewTreeFamilyTable is not required. " ::= { vacmMIBCompliances 1 } -- Units of conformance ******************************************** vacmBasicGroup OBJECT-GROUP OBJECTS { vacmContextName, vacmGroupName, vacmSecurityToGroupStorageType, vacmSecurityToGroupStatus, vacmAccessContextMatch, vacmAccessReadViewName, vacmAccessWriteViewName, vacmAccessNotifyViewName, vacmAccessStorageType, vacmAccessStatus, vacmViewSpinLock, vacmViewTreeFamilyMask, vacmViewTreeFamilyType, vacmViewTreeFamilyStorageType, vacmViewTreeFamilyStatus } STATUS current DESCRIPTION "A collection of objects providing for remote configuration of an SNMP engine which implements the SNMP View-based Access Control Model. " ::= { vacmMIBGroups 1 } END Back

Edit File : SNMP-VIEW-BASED-ACM-MIB.txt | Size : 33.36 KB

SNMP-VIEW-BASED-ACM-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-COMPLIANCE, OBJECT-GROUP       FROM SNMPv2-CONF
    MODULE-IDENTITY, OBJECT-TYPE,
    snmpModules                           FROM SNMPv2-SMI
    TestAndIncr,
    RowStatus, StorageType                FROM SNMPv2-TC
    SnmpAdminString,
    SnmpSecurityLevel,
    SnmpSecurityModel                     FROM SNMP-FRAMEWORK-MIB;

snmpVacmMIB       MODULE-IDENTITY
    LAST-UPDATED "200210160000Z"          -- 16 Oct 2002, midnight
    ORGANIZATION "SNMPv3 Working Group"
    CONTACT-INFO "WG-email:   snmpv3@lists.tislabs.com
                  Subscribe:  majordomo@lists.tislabs.com
                              In message body:  subscribe snmpv3

Co-Chair:   Russ Mundy
                              Network Associates Laboratories
                  postal:     15204 Omega Drive, Suite 300
                              Rockville, MD 20850-4601
                              USA
                  email:      mundy@tislabs.com
                  phone:      +1 301-947-7107

Co-Chair:   David Harrington
                              Enterasys Networks
                  Postal:     35 Industrial Way
                              P. O. Box 5004
                              Rochester, New Hampshire 03866-5005
                              USA
                  EMail:      dbh@enterasys.com
                  Phone:      +1 603-337-2614

Co-editor:  Bert Wijnen
                              Lucent Technologies
                  postal:     Schagen 33
                              3461 GL Linschoten
                              Netherlands
                  email:      bwijnen@lucent.com
                  phone:      +31-348-480-685

Co-editor:  Randy Presuhn
                              BMC Software, Inc.

postal:     2141 North First Street
                              San Jose, CA 95131
                              USA
                  email:      randy_presuhn@bmc.com
                  phone:      +1 408-546-1006

Co-editor:  Keith McCloghrie
                              Cisco Systems, Inc.
                  postal:     170 West Tasman Drive
                              San Jose, CA  95134-1706
                              USA
                  email:      kzm@cisco.com
                  phone:      +1-408-526-5260
                 "
    DESCRIPTION  "The management information definitions for the
                  View-based Access Control Model for SNMP.

Copyright (C) The Internet Society (2002). This
                  version of this MIB module is part of RFC 3415;
                  see the RFC itself for full legal notices.
                 "
--  Revision history

REVISION     "200210160000Z"          -- 16 Oct 2002, midnight
    DESCRIPTION  "Clarifications, published as RFC3415"

REVISION     "199901200000Z"          -- 20 Jan 1999, midnight
    DESCRIPTION  "Clarifications, published as RFC2575"

REVISION     "199711200000Z"          -- 20 Nov 1997, midnight
    DESCRIPTION  "Initial version, published as RFC2275"
    ::= { snmpModules 16 }

-- Administrative assignments ****************************************

vacmMIBObjects      OBJECT IDENTIFIER ::= { snmpVacmMIB 1 }
vacmMIBConformance  OBJECT IDENTIFIER ::= { snmpVacmMIB 2 }

-- Information about Local Contexts **********************************

vacmContextTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF VacmContextEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The table of locally available contexts.

This table provides information to SNMP Command

Generator applications so that they can properly
                 configure the vacmAccessTable to control access to
                 all contexts at the SNMP entity.

This table may change dynamically if the SNMP entity
                 allows that contexts are added/deleted dynamically
                 (for instance when its configuration changes).  Such
                 changes would happen only if the management
                 instrumentation at that SNMP entity recognizes more
                 (or fewer) contexts.

The presence of entries in this table and of entries
                 in the vacmAccessTable are independent.  That is, a
                 context identified by an entry in this table is not
                 necessarily referenced by any entries in the
                 vacmAccessTable; and the context(s) referenced by an
                 entry in the vacmAccessTable does not necessarily
                 currently exist and thus need not be identified by an
                 entry in this table.

This table must be made accessible via the default
                 context so that Command Responder applications have
                 a standard way of retrieving the information.

This table is read-only.  It cannot be configured via
                 SNMP.
                "
    ::= { vacmMIBObjects 1 }

vacmContextEntry OBJECT-TYPE
    SYNTAX       VacmContextEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "Information about a particular context."
    INDEX       {
                  vacmContextName
                }
    ::= { vacmContextTable 1 }

VacmContextEntry ::= SEQUENCE
    {
        vacmContextName SnmpAdminString
    }

vacmContextName  OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..32))
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION "A human readable name identifying a particular
                 context at a particular SNMP entity.

The empty contextName (zero length) represents the
                 default context.
                "
    ::= { vacmContextEntry 1 }

-- Information about Groups ******************************************

vacmSecurityToGroupTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF VacmSecurityToGroupEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "This table maps a combination of securityModel and
                 securityName into a groupName which is used to define
                 an access control policy for a group of principals.
                "
    ::= { vacmMIBObjects 2 }

vacmSecurityToGroupEntry OBJECT-TYPE
    SYNTAX       VacmSecurityToGroupEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "An entry in this table maps the combination of a
                 securityModel and securityName into a groupName.
                "
    INDEX       {
                  vacmSecurityModel,
                  vacmSecurityName
                }
    ::= { vacmSecurityToGroupTable 1 }

VacmSecurityToGroupEntry ::= SEQUENCE
    {
        vacmSecurityModel               SnmpSecurityModel,
        vacmSecurityName                SnmpAdminString,
        vacmGroupName                   SnmpAdminString,
        vacmSecurityToGroupStorageType  StorageType,
        vacmSecurityToGroupStatus       RowStatus
    }

vacmSecurityModel OBJECT-TYPE
    SYNTAX       SnmpSecurityModel(1..2147483647)
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The Security Model, by which the vacmSecurityName
                 referenced by this entry is provided.

Note, this object may not take the 'any' (0) value.
                "
    ::= { vacmSecurityToGroupEntry 1 }

vacmSecurityName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(1..32))
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The securityName for the principal, represented in a
                 Security Model independent format, which is mapped by
                 this entry to a groupName.
                "
    ::= { vacmSecurityToGroupEntry 2 }

vacmGroupName    OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(1..32))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The name of the group to which this entry (e.g., the
                 combination of securityModel and securityName)
                 belongs.

This groupName is used as index into the
                 vacmAccessTable to select an access control policy.
                 However, a value in this table does not imply that an
                 instance with the value exists in table vacmAccesTable.
                "
    ::= { vacmSecurityToGroupEntry 3 }

vacmSecurityToGroupStorageType OBJECT-TYPE
    SYNTAX       StorageType
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The storage type for this conceptual row.
                 Conceptual rows having the value 'permanent' need not
                 allow write-access to any columnar objects in the row.
                "
    DEFVAL      { nonVolatile }
    ::= { vacmSecurityToGroupEntry 4 }

vacmSecurityToGroupStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The status of this conceptual row.

Until instances of all corresponding columns are
                 appropriately configured, the value of the

corresponding instance of the vacmSecurityToGroupStatus
                 column is 'notReady'.

In particular, a newly created row cannot be made
                 active until a value has been set for vacmGroupName.

The  RowStatus TC [RFC2579] requires that this
                 DESCRIPTION clause states under which circumstances
                 other objects in this row can be modified:

The value of this object has no effect on whether
                 other objects in this conceptual row can be modified.
                "
    ::= { vacmSecurityToGroupEntry 5 }

-- Information about Access Rights ***********************************

vacmAccessTable  OBJECT-TYPE
    SYNTAX       SEQUENCE OF VacmAccessEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The table of access rights for groups.

Each entry is indexed by a groupName, a contextPrefix,
                 a securityModel and a securityLevel.  To determine
                 whether access is allowed, one entry from this table
                 needs to be selected and the proper viewName from that
                 entry must be used for access control checking.

To select the proper entry, follow these steps:

1) the set of possible matches is formed by the
                    intersection of the following sets of entries:

the set of entries with identical vacmGroupName
                      the union of these two sets:
                       - the set with identical vacmAccessContextPrefix
                       - the set of entries with vacmAccessContextMatch
                         value of 'prefix' and matching
                         vacmAccessContextPrefix
                      intersected with the union of these two sets:
                       - the set of entries with identical
                         vacmSecurityModel
                       - the set of entries with vacmSecurityModel
                         value of 'any'
                      intersected with the set of entries with
                      vacmAccessSecurityLevel value less than or equal
                      to the requested securityLevel

2) if this set has only one member, we're done
                    otherwise, it comes down to deciding how to weight
                    the preferences between ContextPrefixes,
                    SecurityModels, and SecurityLevels as follows:
                    a) if the subset of entries with securityModel
                       matching the securityModel in the message is
                       not empty, then discard the rest.
                    b) if the subset of entries with
                       vacmAccessContextPrefix matching the contextName
                       in the message is not empty,
                       then discard the rest
                    c) discard all entries with ContextPrefixes shorter
                       than the longest one remaining in the set
                    d) select the entry with the highest securityLevel

Please note that for securityLevel noAuthNoPriv, all
                 groups are really equivalent since the assumption that
                 the securityName has been authenticated does not hold.
                "
    ::= { vacmMIBObjects 4 }

vacmAccessEntry  OBJECT-TYPE
    SYNTAX       VacmAccessEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "An access right configured in the Local Configuration
                 Datastore (LCD) authorizing access to an SNMP context.

Entries in this table can use an instance value for
                 object vacmGroupName even if no entry in table
                 vacmAccessSecurityToGroupTable has a corresponding
                 value for object vacmGroupName.
                "
    INDEX       { vacmGroupName,
                  vacmAccessContextPrefix,
                  vacmAccessSecurityModel,
                  vacmAccessSecurityLevel
                }
    ::= { vacmAccessTable 1 }

VacmAccessEntry ::= SEQUENCE
    {
        vacmAccessContextPrefix    SnmpAdminString,
        vacmAccessSecurityModel    SnmpSecurityModel,
        vacmAccessSecurityLevel    SnmpSecurityLevel,
        vacmAccessContextMatch     INTEGER,
        vacmAccessReadViewName     SnmpAdminString,
        vacmAccessWriteViewName    SnmpAdminString,
        vacmAccessNotifyViewName   SnmpAdminString,
        vacmAccessStorageType      StorageType,
        vacmAccessStatus           RowStatus
    }

vacmAccessContextPrefix OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..32))
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "In order to gain the access rights allowed by this
                 conceptual row, a contextName must match exactly
                 (if the value of vacmAccessContextMatch is 'exact')
                 or partially (if the value of vacmAccessContextMatch
                 is 'prefix') to the value of the instance of this
                 object.
                "
    ::= { vacmAccessEntry 1 }

vacmAccessSecurityModel OBJECT-TYPE
    SYNTAX       SnmpSecurityModel
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "In order to gain the access rights allowed by this
                 conceptual row, this securityModel must be in use.
                "
    ::= { vacmAccessEntry 2 }

vacmAccessSecurityLevel OBJECT-TYPE
    SYNTAX       SnmpSecurityLevel
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The minimum level of security required in order to
                 gain the access rights allowed by this conceptual
                 row.  A securityLevel of noAuthNoPriv is less than
                 authNoPriv which in turn is less than authPriv.

If multiple entries are equally indexed except for
                 this vacmAccessSecurityLevel index, then the entry
                 which has the highest value for
                 vacmAccessSecurityLevel is selected.
                "
    ::= { vacmAccessEntry 3 }

vacmAccessContextMatch OBJECT-TYPE
    SYNTAX       INTEGER
                { exact (1), -- exact match of prefix and contextName
                  prefix (2) -- Only match to the prefix
                }
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "If the value of this object is exact(1), then all
                 rows where the contextName exactly matches
                 vacmAccessContextPrefix are selected.

If the value of this object is prefix(2), then all
                 rows where the contextName whose starting octets
                 exactly match vacmAccessContextPrefix are selected.
                 This allows for a simple form of wildcarding.
                "
    DEFVAL      { exact }
    ::= { vacmAccessEntry 4 }

vacmAccessReadViewName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..32))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The value of an instance of this object identifies
                 the MIB view of the SNMP context to which this
                 conceptual row authorizes read access.

The identified MIB view is that one for which the
                 vacmViewTreeFamilyViewName has the same value as the
                 instance of this object; if the value is the empty
                 string or if there is no active MIB view having this
                 value of vacmViewTreeFamilyViewName, then no access
                 is granted.
                "
    DEFVAL      { ''H }   -- the empty string
    ::= { vacmAccessEntry 5 }

vacmAccessWriteViewName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..32))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The value of an instance of this object identifies
                 the MIB view of the SNMP context to which this
                 conceptual row authorizes write access.

vacmAccessNotifyViewName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..32))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The value of an instance of this object identifies
                 the MIB view of the SNMP context to which this
                 conceptual row authorizes access for notifications.

vacmAccessStorageType OBJECT-TYPE
    SYNTAX       StorageType
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The storage type for this conceptual row.

Conceptual rows having the value 'permanent' need not
                 allow write-access to any columnar objects in the row.
                "
    DEFVAL      { nonVolatile }
    ::= { vacmAccessEntry 8 }

vacmAccessStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The status of this conceptual row.

The  RowStatus TC [RFC2579] requires that this
                 DESCRIPTION clause states under which circumstances
                 other objects in this row can be modified:

The value of this object has no effect on whether
                 other objects in this conceptual row can be modified.
                "
    ::= { vacmAccessEntry 9 }

-- Information about MIB views ***************************************

-- Support for instance-level granularity is optional.
--
-- In some implementations, instance-level access control
-- granularity may come at a high performance cost.  Managers
-- should avoid requesting such configurations unnecessarily.

vacmMIBViews     OBJECT IDENTIFIER ::= { vacmMIBObjects 5 }

vacmViewSpinLock OBJECT-TYPE
    SYNTAX       TestAndIncr
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION "An advisory lock used to allow cooperating SNMP
                 Command Generator applications to coordinate their
                 use of the Set operation in creating or modifying
                 views.

When creating a new view or altering an existing
                 view, it is important to understand the potential
                 interactions with other uses of the view.  The
                 vacmViewSpinLock should be retrieved.  The name of
                 the view to be created should be determined to be
                 unique by the SNMP Command Generator application by
                 consulting the vacmViewTreeFamilyTable.  Finally,
                 the named view may be created (Set), including the
                 advisory lock.
                 If another SNMP Command Generator application has
                 altered the views in the meantime, then the spin
                 lock's value will have changed, and so this creation
                 will fail because it will specify the wrong value for
                 the spin lock.

Since this is an advisory lock, the use of this lock
                 is not enforced.
                "
    ::= { vacmMIBViews 1 }

vacmViewTreeFamilyTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF VacmViewTreeFamilyEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "Locally held information about families of subtrees
                 within MIB views.

Each MIB view is defined by two sets of view subtrees:
                   - the included view subtrees, and
                   - the excluded view subtrees.
                 Every such view subtree, both the included and the

excluded ones, is defined in this table.

To determine if a particular object instance is in
                 a particular MIB view, compare the object instance's
                 OBJECT IDENTIFIER with each of the MIB view's active
                 entries in this table.  If none match, then the
                 object instance is not in the MIB view.  If one or
                 more match, then the object instance is included in,
                 or excluded from, the MIB view according to the
                 value of vacmViewTreeFamilyType in the entry whose
                 value of vacmViewTreeFamilySubtree has the most
                 sub-identifiers.  If multiple entries match and have
                 the same number of sub-identifiers (when wildcarding
                 is specified with the value of vacmViewTreeFamilyMask),
                 then the lexicographically greatest instance of
                 vacmViewTreeFamilyType determines the inclusion or
                 exclusion.

An object instance's OBJECT IDENTIFIER X matches an
                 active entry in this table when the number of
                 sub-identifiers in X is at least as many as in the
                 value of vacmViewTreeFamilySubtree for the entry,
                 and each sub-identifier in the value of
                 vacmViewTreeFamilySubtree matches its corresponding
                 sub-identifier in X.  Two sub-identifiers match
                 either if the corresponding bit of the value of
                 vacmViewTreeFamilyMask for the entry is zero (the
                 'wild card' value), or if they are equal.

A 'family' of subtrees is the set of subtrees defined
                 by a particular combination of values of
                 vacmViewTreeFamilySubtree and vacmViewTreeFamilyMask.

In the case where no 'wild card' is defined in the
                 vacmViewTreeFamilyMask, the family of subtrees reduces
                 to a single subtree.

When creating or changing MIB views, an SNMP Command
                 Generator application should utilize the
                 vacmViewSpinLock to try to avoid collisions.  See
                 DESCRIPTION clause of vacmViewSpinLock.

When creating MIB views, it is strongly advised that
                 first the 'excluded' vacmViewTreeFamilyEntries are
                 created and then the 'included' entries.

When deleting MIB views, it is strongly advised that
                 first the 'included' vacmViewTreeFamilyEntries are

deleted and then the 'excluded' entries.

If a create for an entry for instance-level access
                 control is received and the implementation does not
                 support instance-level granularity, then an
                 inconsistentName error must be returned.
                "
    ::= { vacmMIBViews 2 }

vacmViewTreeFamilyEntry OBJECT-TYPE
    SYNTAX       VacmViewTreeFamilyEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "Information on a particular family of view subtrees
                 included in or excluded from a particular SNMP
                 context's MIB view.

Implementations must not restrict the number of
                 families of view subtrees for a given MIB view,
                 except as dictated by resource constraints on the
                 overall number of entries in the
                 vacmViewTreeFamilyTable.

If no conceptual rows exist in this table for a given
                 MIB view (viewName), that view may be thought of as
                 consisting of the empty set of view subtrees.
                "
    INDEX       { vacmViewTreeFamilyViewName,
                  vacmViewTreeFamilySubtree
                }
    ::= { vacmViewTreeFamilyTable 1 }

VacmViewTreeFamilyEntry ::= SEQUENCE
    {
        vacmViewTreeFamilyViewName     SnmpAdminString,
        vacmViewTreeFamilySubtree      OBJECT IDENTIFIER,
        vacmViewTreeFamilyMask         OCTET STRING,
        vacmViewTreeFamilyType         INTEGER,
        vacmViewTreeFamilyStorageType  StorageType,
        vacmViewTreeFamilyStatus       RowStatus
    }

vacmViewTreeFamilyViewName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(1..32))
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The human readable name for a family of view subtrees.
                "
    ::= { vacmViewTreeFamilyEntry 1 }

vacmViewTreeFamilySubtree OBJECT-TYPE
    SYNTAX       OBJECT IDENTIFIER
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION "The MIB subtree which when combined with the
                 corresponding instance of vacmViewTreeFamilyMask
                 defines a family of view subtrees.
                "
    ::= { vacmViewTreeFamilyEntry 2 }

vacmViewTreeFamilyMask OBJECT-TYPE
    SYNTAX       OCTET STRING (SIZE (0..16))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The bit mask which, in combination with the
                 corresponding instance of vacmViewTreeFamilySubtree,
                 defines a family of view subtrees.

Each bit of this bit mask corresponds to a
                 sub-identifier of vacmViewTreeFamilySubtree, with the
                 most significant bit of the i-th octet of this octet
                 string value (extended if necessary, see below)
                 corresponding to the (8*i - 7)-th sub-identifier, and
                 the least significant bit of the i-th octet of this
                 octet string corresponding to the (8*i)-th
                 sub-identifier, where i is in the range 1 through 16.

Each bit of this bit mask specifies whether or not
                 the corresponding sub-identifiers must match when
                 determining if an OBJECT IDENTIFIER is in this
                 family of view subtrees; a '1' indicates that an
                 exact match must occur; a '0' indicates 'wild card',
                 i.e., any sub-identifier value matches.

Thus, the OBJECT IDENTIFIER X of an object instance
                 is contained in a family of view subtrees if, for
                 each sub-identifier of the value of
                 vacmViewTreeFamilySubtree, either:

the i-th bit of vacmViewTreeFamilyMask is 0, or

the i-th sub-identifier of X is equal to the i-th
                   sub-identifier of the value of
                   vacmViewTreeFamilySubtree.

If the value of this bit mask is M bits long and

there are more than M sub-identifiers in the
                 corresponding instance of vacmViewTreeFamilySubtree,
                 then the bit mask is extended with 1's to be the
                 required length.

Note that when the value of this object is the
                 zero-length string, this extension rule results in
                 a mask of all-1's being used (i.e., no 'wild card'),
                 and the family of view subtrees is the one view
                 subtree uniquely identified by the corresponding
                 instance of vacmViewTreeFamilySubtree.

Note that masks of length greater than zero length
                 do not need to be supported.  In this case this
                 object is made read-only.
                "
    DEFVAL      { ''H }
    ::= { vacmViewTreeFamilyEntry 3 }

vacmViewTreeFamilyType OBJECT-TYPE
    SYNTAX       INTEGER  { included(1), excluded(2) }
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "Indicates whether the corresponding instances of
                 vacmViewTreeFamilySubtree and vacmViewTreeFamilyMask
                 define a family of view subtrees which is included in
                 or excluded from the MIB view.
                "
    DEFVAL      { included }
    ::= { vacmViewTreeFamilyEntry 4 }

vacmViewTreeFamilyStorageType OBJECT-TYPE
    SYNTAX       StorageType
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The storage type for this conceptual row.

Conceptual rows having the value 'permanent' need not
                 allow write-access to any columnar objects in the row.
                "
    DEFVAL      { nonVolatile }
    ::= { vacmViewTreeFamilyEntry 5 }

vacmViewTreeFamilyStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION "The status of this conceptual row.

The  RowStatus TC [RFC2579] requires that this
                 DESCRIPTION clause states under which circumstances
                 other objects in this row can be modified:

The value of this object has no effect on whether
                 other objects in this conceptual row can be modified.
                "
    ::= { vacmViewTreeFamilyEntry 6 }

-- Conformance information *******************************************

vacmMIBCompliances  OBJECT IDENTIFIER ::= { vacmMIBConformance 1 }
vacmMIBGroups       OBJECT IDENTIFIER ::= { vacmMIBConformance 2 }

-- Compliance statements *********************************************

vacmMIBCompliance MODULE-COMPLIANCE
    STATUS       current
    DESCRIPTION "The compliance statement for SNMP engines which
                 implement the SNMP View-based Access Control Model
                 configuration MIB.
                "
    MODULE -- this module
        MANDATORY-GROUPS { vacmBasicGroup }

OBJECT        vacmAccessContextMatch
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmAccessReadViewName
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmAccessWriteViewName
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmAccessNotifyViewName
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmAccessStorageType
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmAccessStatus
        MIN-ACCESS    read-only
        DESCRIPTION  "Create/delete/modify access to the

vacmAccessTable is not required.
                     "

OBJECT        vacmViewTreeFamilyMask
        WRITE-SYNTAX  OCTET STRING (SIZE (0))
        MIN-ACCESS    read-only
        DESCRIPTION  "Support for configuration via SNMP of subtree
                      families using wild-cards is not required.
                     "

OBJECT        vacmViewTreeFamilyType
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmViewTreeFamilyStorageType
        MIN-ACCESS    read-only
        DESCRIPTION  "Write access is not required."

OBJECT        vacmViewTreeFamilyStatus
        MIN-ACCESS    read-only
        DESCRIPTION  "Create/delete/modify access to the
                      vacmViewTreeFamilyTable is not required.
                     "
    ::= { vacmMIBCompliances 1 }

-- Units of conformance **********************************************

vacmBasicGroup OBJECT-GROUP
    OBJECTS {
              vacmContextName,
              vacmGroupName,
              vacmSecurityToGroupStorageType,
              vacmSecurityToGroupStatus,
              vacmAccessContextMatch,
              vacmAccessReadViewName,
              vacmAccessWriteViewName,
              vacmAccessNotifyViewName,
              vacmAccessStorageType,
              vacmAccessStatus,
              vacmViewSpinLock,
              vacmViewTreeFamilyMask,
              vacmViewTreeFamilyType,
              vacmViewTreeFamilyStorageType,
              vacmViewTreeFamilyStatus
            }
    STATUS       current
    DESCRIPTION "A collection of objects providing for remote
                 configuration of an SNMP engine which implements

the SNMP View-based Access Control Model.
                "
    ::= { vacmMIBGroups 1 }

END

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