There are a LOT of good sites out there for Unix security in general and
Linux security specifically. It's very important to subscribe to one (or more)
of the security mailing lists and keep current on security fixes. Most of these
lists are very low volume, and very informative.
11.1. LinuxSecurity.com
References
The LinuxSecurity.com web site has numerous Linux and open source security
references written by the LinuxSecurity staff and people collectively around the
world.
Linux Advisory Watch -- A comprehensive newsletter that
outlines the security vulnerabilities that have been announced throughout the
week. It includes pointers to updated packages and descriptions of each
vulnerability.
Linux Security Week -- The purpose of this document is to
provide our readers with a quick summary of each week's most relevant Linux
security headlines.
comp.os.linux.security FAQ -- Frequently Asked Questions
with answers for the comp.os.linux.security newsgroup.
Linux Security
Documentation -- A great starting point for information pertaining to
Linux and Open Source security.
11.2. FTP Sites
CERT is the Computer Emergency Response Team. They often send out alerts of
current attacks and fixes. See ftp://ftp.cert.org/ for more information.
ZEDZ (formerly Replay) (https://www.zedz.net/) has archives of many security programs.
Since they are outside the US, they don't need to obey US crypto restrictions.
Rootshell.com is a great site for seeing what exploits are currently being
used by crackers: https://www.rootshell.com/
BUGTRAQ puts out advisories on security issues: BUGTRAQ
archives
CERT, the Computer Emergency Response Team, puts out advisories on common
attacks on Unix platforms: CERT
home
Dan Farmer is the author of SATAN and many other security tools. His home
site has some interesting security survey information, as well as security
tools: https://www.trouble.org/
The Linux security WWW is a good site for Linux security information: Linux Security WWW
Bugtraq: To subscribe to bugtraq, send mail to [email protected]
containing the message body subscribe bugtraq. (see links above for archives).
CIAC: Send e-mail to [email protected]. In the BODY (not subject) of
the message put (either or both): subscribe ciac-bulletin
Red Hat has a number of mailing lists, the most important of which is the
redhat-announce list. You can read about security (and other) fixes as soon as
they come out. Send email to [email protected] with the
Subject Subscribe See https://listman.redhat.com/mailman/listinfo/ for more info and
archives.
The Debian project has a security mailing list that covers their security
fixes. See https://www.debian.com/security/ for more information.
11.5. Books - Printed Reading Material
There are a number of good security books out there. This section lists a few
of them. In addition to the security specific books, security is covered in a
number of other books on system administration.
Building Internet Firewalls By D. Brent Chapman & Elizabeth D. Zwicky,
1st Edition September 1995, ISBN: 1-56592-124-0
Practical UNIX & Internet Security, 2nd Edition By Simson Garfinkel
& Gene Spafford, 2nd Edition April 1996, ISBN: 1-56592-148-8
Computer Security Basics By Deborah Russell & G.T. Gangemi, Sr., 1st
Edition July 1991, ISBN: 0-937175-71-4
Linux Network Administrator's Guide By Olaf Kirch, 1st Edition January
1995, ISBN: 1-56592-087-2
PGP: Pretty Good Privacy By Simson Garfinkel, 1st Edition December 1994,
ISBN: 1-56592-098-8
Computer Crime A Crimefighter's Handbook By David Icove, Karl Seger &
William VonStorch (Consulting Editor Eugene H. Spafford), 1st Edition August
1995, ISBN: 1-56592-086-4
Linux Security By John S. Flowers, New Riders; ISBN: 0735700354, March 1999
Maximum Linux Security : A Hacker's Guide to Protecting Your Linux Server
and Network, Anonymous, Paperback - 829 pages, Sams; ISBN: 0672313413, July
1999
Intrusion Detection By Terry Escamilla, Paperback - 416 pages (September
1998), John Wiley and Sons; ISBN: 0471290009
Fighting Computer Crime, Donn Parker, Paperback - 526 pages (September
1998), John Wiley and Sons; ISBN: 0471163783
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