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RFC 8158
Title: IP Flow Information Export (IPFIX)
Information Elements for Logging NAT Events
Author: S. Sivakumar,
R. Penno
Status: Standards Track
Stream: IETF
Date: December 2017
Mailbox: ssenthil@cisco.com,
repenno@cisco.com
Pages: 34
Characters: 78399
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-behave-ipfix-nat-logging-13.txt
URL: https://www.rfc-editor.org/info/rfc8158
DOI: 10.17487/RFC8158
Network operators require NAT devices to log events like creation and
deletion of translations and information about the resources that the
NAT device is managing. In many cases, the logs are essential to
identify an attacker or a host that was used to launch malicious
attacks and for various other purposes of accounting. Since there is
no standard way of logging this information, different NAT devices
use proprietary formats; hence, it is difficult to expect consistent
behavior. This lack of standardization makes it difficult to write
the Collector applications that would receive this data and process
it to present useful information. This document describes the
formats for logging NAT events.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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