How To Set Up Shorewall (Shoreline) 4.0 Firewall On CentOS 5.1

Introduction

This tutorial will walk you through setting up Shorewall (Shoreline) 4.0 firewall on CentOS 5.1 , this can easily be adapted to any other Linux distribution out there.

The Shoreline Firewall, more commonly known as “Shorewall”, is a high-level tool for configuring Netfilter. You describe your firewall/gateway requirements using entries in a set of configuration files. Shorewall reads those configuration files and with the help of the iptables utility, Shorewall configures Netfilter to match your requirements. Shorewall can be used on a dedicated firewall system, a multi-function gateway/router/server or on a standalone GNU/Linux system. Shorewall does not use Netfilter’s ipchains compatibility mode and can thus take advantage of Netfilter’s connection state tracking capabilities.

Read more at howtoforge.com

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