Web Directory

» A Short History of Cryptography
   A brief historical analysis of the management of cryptography.
   http://www.all.net/books/ip/Chap2-1.html

» A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack
   Discusses the possibility that crackers might generate and distribute a massive list of encrypted passwords.
   ftp://ftp.cs.arizona.edu/reports/1994/TR94-34.ps

» Firewall Piercing mini-HOWTO
   Tutorial on using ppp over telnet to do network stuff transparently through an Internet firewall. (François-René Rideau)
   http://en.tldp.org/HOWTO/Firewall-Piercing/

» Firewalling and Proxy Server HOWTO
   Teaches the basics of firewall systems and give you some detail on setting up both a filtering and proxy firewall on a Linux based PC, by Mark Grennan.
   http://en.tldp.org/HOWTO/Firewall-HOWTO.html

» Installing a firewall, Part 1
   Get the details of a secure Trustix 1.1 installation
   http://www.itworld.com/LWD111010fwinstall1

» Introduction to Linux Networking and Security
   Brief introduction to the IP networking services, how to configure them, and how to set up a relatively secure Linux workstation. Published in ACM Crossroads, the ACM student magazine.
   http://www.acm.org/crossroads/xrds6-1/linuxsec.html

» Linux Bridge+Firewall Mini-HOWTO
   A tutorial on how to setup a bridge and a firewall with Linux, by Peter Breuer.
   http://en.tldp.org/HOWTO/Bridge+Firewall.html

» Linux Firewall Howto
   Firewall HOWTO collection, ids, nids, hardening, penetration testing, auditing
   http://www.linux-sec.net/

» Linux IPCHAINS-HOWTO
   Describes how to obtain, install and configure the enhanced IP firewalling chains software for Linux, and how they might be used, by Paul Russell.
   http://en.tldp.org/HOWTO/IPCHAINS-HOWTO.html

» Linux Security Basics
   How to achieve the goal of every system admin: boring, predictable computers
   http://www.itworld.com/lw-01-security

» Linux Security HOWTO
   General overview of security issues that face the administrator of Linux systems. It covers general security philosophy and a number of specific examples of how to better secure your Linux system from intruders.
   http://scrye.com/~kevin/lsh/t1.html

» Network Security Information: UNIX
   Network Security Library has links to many UNIX (and, especially, Linux) security articles on host hardening, security admin guides, and special purpose hardening tips.
   http://www.windowsecurity.com/whitepapers/unix_security/

» Ritter's Crypto Glossary and Dictionary of Technical Cryptography
   Hyperlinked definitions and discussions of many cryptographic, mathematics, logic, statistics, and electronics terms used in cipher construction and analysis.
   http://www.ciphersbyritter.com/GLOSSARY.HTM

» Rusty's Remarkably Unreliable Guides
   Netfilter project provides HOWTOs for packet filtering, NAT and netfilter code hacking for Linux.
   http://people.netfilter.org/~rusty/unreliable-guides/

» Secure POP via SSH mini-HOWTO
   Explains how to set up secure POP connections using ssh, by Manish Singh.
   http://en.tldp.org/HOWTO/Secure-POP+SSH.html

» Securing NIS
   Provides a checklist on how to secure UNIX/Linux NIS (formerly YP) services in an intranet environment.
   http://www.eng.auburn.edu/users/doug/nis.html

» Setting up a secure Linux server
   Setting up a secure Linux server using RedHat and the Linux From Scratch system.
   http://www.fiveanddime.net/ss/secureserver.html

» UnOfficial SELinux FAQ
   A technical FAQ for the NSA SELinux project, which covers installation and implementation issues.
   http://www.crypt.gen.nz/selinux/faq.html

» YoLinux: Internet Server Security HowTo and Tutorial
   This tutorial covers the installation and use of hacker protection software such as Portsentry, tripwire, ssh. It also covers configuration and administration steps to make a Linux server secure against hackers.
   http://yolinux.com/TUTORIALS/LinuxTutorialInternetSecurity.html