Part V: Advanced Topics

This part of the tutorial discusses issues that arise when organizational networks are interconnected with the Internet. It also discusses ways of increasing your security through better developing.

• Firewalls, describes how to set up various types of "firewalls" to protect an internal network from an external attacker.
• Wrappers and Proxies, describes a few common wrapper and proxying programs that help protect your machine and the programs within it without requiring access to source code.
• Writing Secure SUID and Network Programs, describes common pitfalls when writing your own software. It gives tips on how to write robust software that will resist attack from malicious users.