Linux Firewall and Security Site: Configuring an Internet Firewall and Home LAN With Linux

"Purpose of this FAQ
Linux is enjoying growing popularity among home hobbyists and small, home-based businesses. Continual, direct Internet access is becoming more widespread in the home as cable modem and DSL connection services expand into the residential market. Connecting Linux to the Internet, building a firewall, and enabling network address translation for a home LAN are frequent sources of questions. This FAQ describes basic Linux Ethernet connection and home LAN configuration. Particular emphasis is placed on network security and firewall construction."

"The examples are based on Red Hat Linux 6.0 running on an Intel platform. A single LAN connected to an internal network interface is assumed. Using a single machine without a LAN involves the same steps, without the references to your local network or forwarding and masquerading."

"You'll find a few tips here about Linux setup in general, but only your Internet connection and home LAN topics will be covered in any depth. Other configuration topics will be skipped entirely"

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