University of Texas at Austin, Network Information Center.

This directory contains a variety of documents of use to system
administrators and others interested in finding out more about TCP/IP
networks, local network administration, LANs, etc.

Postscript versions of these files, if available, may be found in the
pub/netinfo/ps directory.

File
========================================================================
net-read.txt	 
An annotated reading list containing a wealth of books and other
resources describing TCP/IP protocol suite, UNIX networking, and
Ethernet local area network technology.

net-admin-intro.txt		
A tutorial on network administration for TCP/IP internets.

tcp-ip-intro.txt		
A tutorial on the TCP/IP protocol suite.

ethernet-numbers.txt		
A list of useful numbers for Ethernet troubleshooting.

hgi.txt 
The "Hitchiker's Guide to the Internet" RFC.  An introduction to the
concepts and jargon of TCP/IP internets.

gao-report			
The U.S. Gov't Accounting Office report on the Internet worm attack of
late 1988.

sendmail-tutorial.txt		
A brief tutorial on some of the issues of setting up sendmail.

nist-secure-guide.txt		
This guide explains how to go about reducing your risk of attack from
computer viruses, unauthorized users, and related threats.  The bulk
of the advice is on how to administer one's system so as to avoid the
dangers as much as one can.  The guide emphasizes setting up a strong
security program as a means of defense.

unix-secure.txt			
An excellent guide to the subject of UNIX security.  The issues are
clearly explained, and many examples are included for improving
security in UNIX systems in general and Sun systems in particular.
Also included is a section on monitoring the security of a system over
time, along with a section on publicly available software for
improving security.