September 2001
Intermediate to advanced
580 pages
12h 30m
English
book
Linux for IBM eServer zSeries and S/390: Distributions
by Michael MacIsaac, Ronald Annuss, Wolfgang Engel, Chris Gombola, Timothy Nunes, Mark Post, Don Stubbs, Egon Terwedow, Craig Vernon
Content preview from Linux for IBM eServer zSeries and S/390: Distributions
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Chapter 22. Overview of security on Linux 451
In contrast, however, if the program is compiled with the Pluggable Authentication
Module (PAM) support, you can switch between several authentication methods
without having to recompile each program. This uses the power of Linux’s share
libraries.
The advantages of using PAM lie in its
transparent authentication method. In a
heterogeneous network, for example, the system administrator wants to
authenticate the users against a NT box, or a NIS service. If there is a PAM
module for such authentication, the administrator can perform the authentication
easily, without having to maintain several diff ...
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