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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IP Security Protocol Working Group of the IETF.
Title : IPsec-NAT Compatibility Requirements
Author(s) : B. Aboba, W. Dixon
Filename : draft-ietf-ipsec-nat-reqts-05.txt
Pages : 17
Date : 2003-8-7
Perhaps the most common use of IPsec is in providing virtual private
networking capabilities. One very popular use of VPNs is to provide
telecommuter access to the corporate Intranet. Today NATs are widely
deployed in home gateways, as well as in other locations likely to be
used by telecommuters, such as hotels. The result is that IPsec-NAT
incompatibilities have become a major barrier to deployment of IPsec in
one of its principal uses. This draft describes known incompatibilities
between NAT and IPsec, and describes the requirements for addressing
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