Bibliographical items including books, URLs, and RFCs:

Stallings, William.  Cryptography and network security:
Principles and Practice. Prentice Hall, 1998. ISBN: 0138690170
	Good chapter on IPSEC.  

Building Internet Firewalls.  Chapman and Zwicky. ORA. 
	ISBN: 1-56592-124-0. 1995.  (2nd edition out!).

Practical Unix Security.  Garfinkel/Spafford. 2nd Edition.
		ORA.  

Firewalls and Internet Security.  William R. Cheswick.  Steven M. Bellovin.
	Addison-Wesley. 1994. ISBN 0-201-63357-4

Network Security. Kaufman, Perlman, Speciner. Prentice-Hall. 1995. ISBN 0-13-046019-2.
	2nd edition.  2002.
	Good book focused on theory of putting security protocol design
	into network protocols.  

Applied Cryptography. Bruce Schneier.  2nd Edition.  ISBN 0-471-11709-9.
	John Wiley & Sons. Inc. 1996.
	The book on crypto algorithms.

HACKING EXPOSED, now 4th edition, McClure, Scambray, Kurtz.
	Osborne. 
	There also exist W2k and Linux versions.

Anti-Hacker Toolkit, Jones, Schema, and Johnson. Osborne.  ISBN 0-07-222282-4.
	2002.
	Good overview of tools used by both black hats and white hats.

Snort 2.0, Intrusion Detection. Caswell, Beale, Foster, Posluns, Syngress. 
	ISBN 1-931836-74-4. 2003.
	Good book on snort.

URLs

Please see network security home page:
	http://www.cs.pdx.edu/~jrb/netsec.html