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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436 Linux for IBM ^ zSeries and S/390: Distributions
22.1 Security basics
The security basics can be summarized as follows:
Disable unneeded services
Use Secure Shell for remote access
Use shadow password utilities
Use the Pluggable Authentication Module (PAM)
Monitor security news and alerts
Use hardening tools
Integrate z/VM security
In the following sections, we describe these points in more detail.
22.1.1 Disable unneeded services
Many network requests are handled by either the Internet Daemon (inetd), or the
Extended Internet Daemon (xinetd). The Red Hat system uses xinetd as its
default Internet daemon. All other distributions use in ...
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