Linux stateful firewall design

Monday, 3 January 2005, 9:56 AM EST

This tutorial shows you how to use netfilter to set up a powerful Linux stateful firewall. All you need is an existing Linux system that's currently using a Linux 2.4.x or 2.6.x kernel. A laptop, workstation, router or server with at a Linux 2.4.x or 2.6.x kernel will do. You should be reasonably familiar with standard network terminology like IP addresses, source and destination port numbers, TCP, UDP and ICMP, etc. By the end of the tutorial, you'll understand how Linux stateful firewalls are put together and you'll have several example configurations to use in your own projects.

At Linux Exposed.

[ Read more ]





Spotlight

IT security jobs: What's in demand and how to meet it

Posted on 15 May 2013.  |  Let's say you want a career in information security, where do you start? What credentials do you need? What are employers looking for? Read on to find some answers.


Daily digest

By subscribing to our early morning news update, you will receive a daily digest of the latest security news published on Help Net Security.
  

Weekly newsletter

With over 500 issues so far, reading our newsletter every Monday morning will keep you up-to-date with security risks out there.
  

 
DON'T
MISS

Fri, May 17th
    COPYRIGHT 1998-2013 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //