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Iptables: The Flexible Firewall Utility for Linux

This article covers the basics of Iptables and will add to your understanding of this firewall utility. After going through it, you can try...

Linux Firewall: Executing Iprules Using PHP

A firewall keeps the network secure by analysing packets and determining whether they should be allowed through or not. This article shows how to...

Deploy a DNS Server in a Secure Way

BIND (Berkeley Internet Name Domain) is one of the more widely used DNS servers. This article guides readers on how to deploy a BIND...

Building a Server from Scratch, Part 2: Firewalls, Port Forwarding, NAT,...

Last month, we built a server using off-the-shelf hardware. This time, let’s set up some essential server services.