The Netfilter development team’s Patrick McHardy has released an alpha version of nftables, a new firewall implementation for the Linux kernel, with a user space tool for controlling the firewall.
Gufw is a graphical frontend for managing an iptables firewall on an Ubuntu 8.04 desktop. It is based on ufw and enables you to allow or block pre-configured, common p2p, or individual ports. This guide shows how you can install and use Gufw on Ubuntu 8.04.How To...
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.How To Set Up Shorewall
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