... Conguring IPCop Firewalls Closing Borders with Open Source How to set up, congure, and manage your Linux rewall, web proxy, DHCP, DNS, time server, and VPN with this powerful Open Source solutionBarrie ... http://www.packtpub.com/support, and select this book from the list of titles to download any example code or extra resources for this book. The les available for download will then be displayed. The downloadable ... problem with some aspect of the book, and we will do our best to address it. Introduction to Firewalls In this chapter, we will introduce some rewalling and networking concepts in enough...