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Linux Server Security, Second Edition
book

Linux Server Security, Second Edition

by Michael D. Bauer
January 2005
Intermediate to advanced content levelIntermediate to advanced
544 pages
23h 44m
English
O'Reilly Media, Inc.
Content preview from Linux Server Security, Second Edition
This is the Title of the Book, eMatter Edition
Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.
Automated Hardening with Bastille Linux
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115
Module 7: ConfigureMiscPAM.pm
Several useful restrictions on user accounts are set here. Note, however, that the
file-size restriction of 40 MB that Bastille sets may cause strange behavior on
your system. Be prepared to edit /etc/security/limits.conf later if this happens to
you.
Module 8: Logging.pm
Too little logging is enabled by default on most systems. This module increases
the overall amount of logging and allows you to send log data to a remote host.
Process accounting (i.e., tracking all processes) can also be enabled here but is
overkill for most systems.
Module 9: MiscellaneousDaemons.pm
In this section, you can disable a number of services that tend to be enabled by
default, despite being unnecessary for most users.
Module 10: Sendmail.pm
This Bastille module performs some rudimentary tweaks to Sendmail: notably,
disabling its startup script if the system is not an SMTP gateway and disabling
dangerous SMTP commands such as EXPN and VRFY if it is.
Module 11: Apache.pm
This module addresses several aspects of Apache (web server) security, includ-
ing interface/IP bindings, server-side includes, and CGI.
Module 12: Printing.pm
It’s common for lpd, the line printer daemon, to be active even if no printers have
been configured. That may
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Publisher Resources

ISBN: 0596006705Supplemental ContentCatalog PageErrata