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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.
Syslog-ng
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417
If you’re willing to bet that it is, obtain and install TCPwrappers and refer to its
hosts_access(5) manpage for details. Note that despite its name, TCPwrappers’ hosts
access can be used to control UDP-based applications.
Syslog-ng
As useful and ubiquitous as syslog is, it’s beginning to show its age. Modern Unix
and Unix-like systems are considerably more complex than they were when syslog
was invented, and they have outgrown both syslog’s limited facilities and its primi-
tive network-forwarding functionality.
Syslog-ng (“syslog new generation”) is an attempt to increase syslog’s flexibility by
adding better message filtering, better forwarding, and eventually (though not quite
yet), message integrity and encryption. In addition, Syslog-ng supports remote log-
ging over both the TCP and UDP protocols. Syslog-ng is the brainchild of and is pri-
marily developed and maintained by Balazs (“Bazsi”) Scheidler.
Although its’ much newer than syslogd, Syslog-ng is both stable and mature and has
already been incorporated into major Linux distributions, including SUSE and
Debian. A couple of its advanced security features are still works in progress, but
Syslog-ng can be used in conjunction with TCP “tunneling” tools such as stunnel and
ssh to authenticate or encrypt log messages ...
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Publisher Resources

ISBN: 0596006705Supplemental ContentCatalog PageErrata