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Security

  Linux Shadow Password HOWTO
This document aims to describe how to obtain, install, and configure the Linux password Shadow Suite. It also discusses obtaining, and re]installing other software and network daemons that require access to user passwords. This other software is not actually part of the Shadow Suite, but these programs will need to be recompiled to support the Shadow Suite. This document also contains a programming example for adding shadow support to a program. Answers to some of the more frequently asked questions are included near the end of this document.

  Is Open Source Good for Security?
There's been a lot of debate by security practitioners about the impact of open source approaches on security. One of the key issues is that open source exposes the source code to examination by everyone, both the attackers and defenders, and reasonable people disagree about the ultimate impact of this situation.

  Why do Programmers Write Insecure Code?
Many programmers don't intend to write insecure code - but do anyway. Here are a number of purported reasons for this.

  Building a Secure RedHat Apache Server HOWTO
The guide is designed to explain how PKI and SSL work together. It is essential to understand how the SSL protocol works to successfully deploy a secure server.

  System V IPC

  SSL Certificates HOWTO
A first hand approach on how to manage a certificate authority (CA), and issue or sign certificates to be used for secure web, secure e-mail, or signing code and other usages

  Dynamically Linked Libraries
Practically all programs depend on libraries to execute. In most modern Unix-like systems, including Linux, programs are by default compiled to use dynamically linked libraries (DLLs). That way, you can update a library and all the programs using that library will use the new (hopefully improved) version if they can.

  Summary of Linux and Unix Security Features
This section briefly describes those features that are widely available on nearly all Unix-like systems.

  Security Principles

  Types of Secure Programs
Many different types of programs may need to be secure programs (as the term is defined in this book). Some common types provided

  User Authentication HOWTO
Explains how user and group information is stored and how users are authenticated on a Linux system (PAM), and how to secure you system's user authentication.

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