Datagram Transport Layer Security (DTLS) Transport Mapping for Syslog
RFC 6012
Internet Engineering Task Force (IETF) J. Salowey
Request for Comments: 6012 Cisco Systems, Inc.
Category: Standards Track T. Petch
ISSN: 2070-1721 Engineering Networks Ltd
R. Gerhards
Adiscon GmbH
H. Feng
Huaweisymantec Technologies
October 2010
Datagram Transport Layer Security (DTLS) Transport Mapping for Syslog
Abstract
This document describes the transport of syslog messages over the
Datagram Transport Layer Security (DTLS) protocol. It provides a
secure transport for syslog messages in cases where a connectionless
transport is desired.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6012.
Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Salowey, et al. Standards Track [Page 1]
RFC 6012 DTLS Transport Mapping for Syslog October 2010
This document may contain material from IETF Documents or IETF
Contributions published or made publicly available before November
10, 2008. The person(s) controlling the copyright in some of this
material may not have granted the IETF Trust the right to allow
modifications of such material outside the IETF Standards Process.
Without obtaining an adequate license from the person(s) controlling
the copyright in such materials, this document may not be modified
outside the IETF Standards Process, and derivative works of it may
not be created outside the IETF Standards Process, except to format
it for publication as an RFC or to translate it into languages other
than English.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Security Requirements for Syslog . . . . . . . . . . . . . . . 4
4. Using DTLS to Secure Syslog . . . . . . . . . . . . . . . . . 4
5. Protocol Elements . . . . . . . . . . . . . . . . . . . . . . 5
5.1. Transport . . . . . . . . . . . . . . . . . . . . . . . . 5
5.2. Port and Service Code Assignment . . . . . . . . . . . . . 5
5.3. Initiation . . . . . . . . . . . . . . . . . . . . . . . . 5
5.3.1. Certificate-Based Authentication . . . . . . . . . . . 6
5.4. Sending Data . . . . . . . . . . . . . . . . . . . . . . . 6
5.4.1. Message Size . . . . . . . . . . . . . . . . . . . . . 7
5.5. Closure . . . . . . . . . . . . . . . . . . . . . . . . . 7
6. Congestion Control . . . . . . . . . . . . . . . . . . . . . . 8
7. Security Policies . . . . . . . . . . . . . . . . . . . . . . 8
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
9. Security Considerations . . . . . . . . . . . . . . . . . . . 9
9.1. DTLS Renegotiation . . . . . . . . . . . . . . . . . . . . 9
9.2. Message Loss . . . . . . . . . . . . . . . . . . . . . . . 9
9.3. Private Key Generation . . . . . . . . . . . . . . . . . . 9
9.4. Trust Anchor Installation and Storage . . . . . . . . . . 9
10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 10
11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
11.1. Normative References . . . . . . . . . . . . . . . . . . . 10
11.2. Informative References . . . . . . . . . . . . . . . . . . 11
Salowey, et al. Standards Track [Page 2]
RFC 6012 DTLS Transport Mapping for Syslog October 2010
Show full document text