Articles by Carla Schroder 

Building a Linux Dial-up Server, Part 1

Carla Schroder's new two-part series covers how to build both dial-up and dial-in servers for Linux. A dial-up server is used to manage and share an Internet connection, whereas a dial-in server allows users to directly dial in to your network. Any Linux distribution comes with all the tools and protocols you'll need.

Building Firewalls with iptables, Part 2

Exposing any system, no matter how briefly, to an untrusted network is suicidal. A firewall is absolutely vital, and fortunately, the Linux world offers an excellent free firewall utility in netfilter/iptables. Carla Schroder takes a deeper look at iptables with additional rules and scripts for basic firewalling and sharing Internet connections.

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