Securing NFS in AIX An Introduction to NFS v4 in AIX 5L Version 5.3

An IBM Redbooks publication

Note: This is publication is now archived. For reference only.

Published 09 November 2004

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ISBN-10: 0738490806
ISBN-13: 9780738490809
IBM Form #: SG24-7204-00
(328 pages)

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Authors: Chris Almond, Lutz Denefleh, Sridhar Murthy, Aniket Patel, John Trindle


NFS Version 4 (NFS V4) is the latest defined client-to-server protocol for NFS. A significant upgrade from NFS V3, it was defined under the IETF framework by many contributors. NFS V4 introduces major changes to the way NFS has been implemented and used before now, including stronger security, wide area network sharing, and broader platform adaptability.

This IBM Redbooks publication is intended to provide a broad understanding of NFS V4 and specific AIX NFS V4 implementation details. It discusses considerations for deployment of NFS V4, with a focus on exploiting the stronger security features of the new protocol.

In the initial implementation of NFS V4 in AIX 5.3, the most important functional differences are related to security. Chapter 3 and parts of the planning and implementation chapters in Part 2 cover this topic in detail.

Table of contents

Part 1. NFS V4 fundamentals
Chapter 1. NFS Version 4 overview
Chapter 2. What's new in NFS V4?
Chapter 3. Enhanced security in NFS V4
Part 2. Implementing NFS V4
Chapter 4. Planning for NFS V4
Chapter 5. Sample implementation scenarios
Chapter 6. Problem determination
Appendix A. Kerberos
Appendix B. Sample scripts, files, and output
Appendix C. AIX 5.3 NFS quick reference

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