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LinuxPlanet: Linux Networking: Using Ipchains

Jul 24, 2000, 12:26 (0 Talkback[s])
(Other stories by William Wong)

[ Thanks to Kevin Reichard for this link. ]

"Linux can route network traffic from one network segment to another. Routing is normally done on a PC with two or more network adapters. This article presents a configuration using a pair of Ethernet adapters. More specifically, the article examines how a Linux computer can link a local network to the Internet through an Ethernet-attached device like a cable modem or a DSL modem. The article examines the basic concepts pertaining to routing, network address translation (NAT), firewalls, and a program called ipchains."

"Individual sections address each concept. The last section combines the basics into a sample configuration for linking a local network to the Internet."

"Routing can be done using a number of network protocols but the IP protocol is the one that is addressed in this article. IP is also the protocol used on the Internet. The previous articles address configuration of the IP protocol for network adapters on a Linux computer."

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