Linux Network Security Very Sketchy, by Dave Regan, http://www.ao.com/~regan/security.html
	Linux Network Security Introduction: http://www.linuxplanet.com/linuxplanet/tutorials/211/1
	Linux Network Security Links: http://nextofkin.penguinpowered.com/linux/security.html
	Books (from http://www.amazon.com/ ): Maximum Linux Security : A Hacker's Guide to Protecting Your Linux Server and Workstation. The author  lists hundreds of hacking tools in an appendix, and includes a lot of software (Linux security products, code examples, technical documents, system logs, and utilities) on the companion CD-ROM. --David Wall Hacking Exposed: Network Security Secrets and Solutions, by Stuart McClure, Joel Scambray, George Kurtz Linux System Security, Scott Mann and Ellen L. Mitchell, Prentice Hall, 2000, ISBN: 0-13-015807-0 $48.99.

Web Server Security:

	Access Control by Domain (Clients IP Address)
	Basic UID/Password scheme
	Secure Socket Layer (SSL)
	UID/Password over SSL
	Personal Certificates
	Kerberos for authentication (Kerberos may not be supported by the most popular browsers.)
	plugin technology and Java Applets

	"Columbia University" Kerberos (or CUkerb)
	Project Mandarin  at Cornell
	S/IDENT (Stanford)
	Shelob (CMU)
	Project Minotaur (Carnegie Mellon University) : http://andrew2.andrew.cmu.edu/minotaur/ Download: http://andrew2.andrew.cmu.edu/minotaur/avail.html

	NetScape Enterprise Server
	NCSA Security Tutorial
	OSF's WAND work http://www.opengroup.org/tech/dce/mall/dceweb.htm

	Cookies ; (See http://www.research.digital.com/nsl/formtest/stats-by-test/NetscapeCookie.html http://www.research.digital.com/nsl/formtest/home.html to see which Browsers support cookies.)
	IntelliSoft 's SNARE,
	Gradient (Now; http://www.entegrity.com/)
	KLP ( Official and UnOfficial home pages) IRAP Web Security Coordination Project: http://www-personal.umich.edu/~zoe/wsp.html

KHTTP http://www.net.tsinghua.edu.cn/~ye/khttp-protocol.html http://www.net.tsinghua.edu.cn/~ye/khttpd-design.html

Linux Security or Network Monitoring Tool

	Nmap : http://www.insecure.org/nmap/index.html
	Nessus: http://www.nessus.org/
	Saint: http://www.wwdsi.com/saint/
	Nettest (Perl) : http://zorro.pangea.ca/~renec/nettest.php3
	Tripwire
	Abacus Sentry/Logcheck
	SATAN
	small, fast "half-open" port scanners, etc
	IP Security (IPSec):
	IPsec : IPSec is a suite of RFC proposed standards that define a protocol for packet-layer encryption. http://www.mit.edu/~tytso/ipsec/results9710.html http://www.freeswan.org/freeswan_trees/freeswan-1.3/doc/compatibility.html#intero

	Sniffit : http://reptile.rug.ac.be/~coder/sniffit/sniffit.html
	CFS (Cryptographic File System)
	Kerberos :The Kerberos Network Authentication Service -- http://nii.isi.edu/gost-group/products/kerberos/
	Spoofing http://www.alw.nih.gov/Security/FIRST/papers/protocol/ipext.ps http://www.alw.nih.gov/Security/FIRST/papers/protocol/tcp.ps

	Bastille Linux
	khaOS Linux: This Linux distribution is designed for the paranoid in the Linux user base, incorporating state-of-the art cryptographic tools (CFS--Cryptographic File System--Kerberos, IPsec, IPv6 and VPN technologies) and the integration of network security tools (Tripwire, Abacus, Sentry/Logcheck, SATAN, SAINT and more).
	Slinux: Slinux is a secure, specialized, server distribution. Development is still in very early stages.
	Spiro Linux

	Linux IP Masquerade HOWTO : http://www.linuxdoc.org/HOWTO/IP-Masquerade-HOWTO.html (Local copy PDF)
	IP Masq ICQ :  http://members.tripod.com/~djsf/masq-icq/
	IP Masquerade Application Collection : http://members.home.net/ipmasq/
	TkMasqdialer : Control PPP connections on a Masq server: http://www.midcoast.com.au/~mvoase/tkmasq.html

	Linux.Security.Com: http://www.linuxsecurity.com/
	Linux Kernel Auditing Project (Article): http://www.linuxsecurity.com/articles/projects_article-844.html
	The Soothingly Seamless Setup of Apache, SSL, MySQL, and PHP http://www.linuxsecurity.com/articles/server_security_article-850.html (Main article: http://www.devshed.com/Server_Side/PHP/SoothinglySeamless/)

Hackers Breed Digital 'Zombies' : http://cbsnews.cbs.com/now/story/0,1597,204098-412,00.shtml (See also http://www.linuxsecurity.com/articles/general_article-846.html)