rfc2454.txt
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TXT
508 行
value of ipv6IfIndex.
The value of this object must remain constant during
the life of this UDP endpoint."
::= { ipv6UdpEntry 3 }
--
-- conformance information
--
ipv6UdpConformance OBJECT IDENTIFIER ::= { ipv6UdpMIB 2 }
ipv6UdpCompliances OBJECT IDENTIFIER ::= { ipv6UdpConformance 1 }
ipv6UdpGroups OBJECT IDENTIFIER ::= { ipv6UdpConformance 2 }
-- compliance statements
ipv6UdpCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SNMPv2 entities which
implement UDP over IPv6."
MODULE -- this module
MANDATORY-GROUPS { ipv6UdpGroup }
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RFC 2454 UDP MIB for IPv6 December 1998
::= { ipv6UdpCompliances 1 }
ipv6UdpGroup OBJECT-GROUP
OBJECTS { -- these are defined in this module
-- ipv6UdpLocalAddress (not-accessible)
-- ipv6UdpLocalPort (not-accessible)
ipv6UdpIfIndex }
STATUS current
DESCRIPTION
"The group of objects providing management of
UDP over IPv6."
::= { ipv6UdpGroups 1 }
END
7. Acknowledgments
This memo is a product of the IPng work group, and benefited
especially from the contributions of the following working group
members:
Dimitry Haskin Bay Networks
Margaret Forsythe Epilogue
Tim Hartrick Mentat
Frank Solensky FTP
Jack McCann DEC
8. References
[1] Information processing systems - Open Systems
Interconnection - Specification of Abstract Syntax
Notation One (ASN.1), International Organization for
Standardization. International Standard 8824,
(December, 1987).
[2] McCloghrie, K., Editor, "Structure of Management
Information for version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1902, January 1996.
[UDP MIB] SNMPv2 Working Group, McCloghrie, K., Editor, "SNMPv2
Management Information Base for the User Datagram
Protocol using SMIv2", RFC 2013, November 1996.
[IPV6 MIB TC] Haskin, D., and S. Onishi, "Management Information Base
for IP Version 6: Textual Conventions and General
Group", RFC 2465, December 1998.
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RFC 2454 UDP MIB for IPv6 December 1998
[IPV6] Deering, S., and R. Hinden, "Internet Protocol, Version
6 (IPv6) Specification", RFC 2460, December 1998.
[RFC2274] Blumenthal, U., and B. Wijnen, "The User-Based Security
Model for Version 3 of the Simple Network Management
Protocol (SNMPv3)", RFC 2274, January 1998.
[RFC2275] Wijnen, B., Presuhn, R., and K. McCloghrie, "View-based
Access Control Model for the Simple Network Management
Protocol (SNMP)", RFC 2275, January 1998.
9. Security Considerations
There are no management objects defined in this MIB that have a MAX-
ACCESS clause of read-write and/or read-create. So, if this MIB is
implemented correctly, then there is no risk that an intruder can
alter or create any management objects of this MIB via direct SNMP
SET operations.
There are a number of managed objects in this MIB that may be
considered to contain sensitive information in some environments.
For example, the MIB identifies UDP ports on which processes are
listening. Although this information might be considered sensitive
in some environments (i.e., to identify ports on which to launch
denial-of-service or other attacks), there are already other ways of
obtaining similar information. For example, sending a random UDP
packet to an unused port prompts the generation of an ICMP port
unreachable message.
Therefore, it may be important in some environments to control read
access to these objects and possibly to even encrypt the values of
these object when sending them over the network via SNMP. Not all
versions of SNMP provide features for such a secure environment.
SNMPv1 by itself does not provide encryption or strong
authentication.
It is recommended that the implementors consider the security
features as provided by the SNMPv3 framework. Specifically, the use
of the User-based Security Model [RFC2274] and the View-based Access
Control Model [RFC2275] is recommended.
It is then a customer/user responsibility to ensure that the SNMP
entity giving access to an instance of this MIB, is properly
configured to give access to those objects only to those principals
(users) that have legitimate rights to access them.
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RFC 2454 UDP MIB for IPv6 December 1998
10. Author's Address
Mike Daniele
Compaq Computer Corporation
110 Spit Brook Rd
Nashua, NH 03062
Phone: +1-603-884-1423
EMail: daniele@zk3.dec.com
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RFC 2454 UDP MIB for IPv6 December 1998
11. Full Copyright Statement
Copyright (C) The Internet Society (1998). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.
The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.
This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Daniele Standards Track [Page 9]
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