Ubuntu as any other Linux distribution comes with netfilter iptables as default firewall. This is one of the best firewall software for Unix family operating systems: it allows to perform various filtering operations and makes it possible to match packets using numerous ways starting from data in IP packet header and ending with Layer 7 packet inspection (but this is another topic).

Below you can find a list of articles on the Web helping to understand the logic of Ubuntu iptables setup as well as create powerful firewall from your Ubuntu system:

1. Official Ubuntu Iptables How To:

There is a wealth of information available about iptables, but much of it is fairly complex, and if you want to do a few basic things, this How To is for you.

2. Simple firewall for Ubuntu using iptables

Don’t forget to look through page’s comments as there is a lot of useful staff there.

3. Setting Up An Iptables Firewall On Ubuntu With Firehol from Howtoforge:

FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.

4. Basic sshd and iptables security in Ubuntu

5. Use iptables as firewall with a daemon on system startup

This howto is intended to set up a firewall without installing firestarter (useful if you don’t use any wm, eg: servers). It uses iptables which is available with a fresh Ubuntu install, and a init.d script to run it as a daemon on boot.

6. Set up Ubuntu as a firewall/gateway router with webmin

7. Netfilter & Iptables in Ubuntu (French)

8. Set a custom firewall (iptables) and Tips [Beginners edition]

9. Set a custom firewall (iptables) and Tips [Advanced user only]

10. iptables premier

“Do I need a firewall?” is a FAQ on the Ubuntu Forums. In order to answer that question we need to understand what you want to do accomplish by using (configuring) a firewall. The purpose of this post is to introduce iptables and encourage appropriate use.

11. Block brute force attacks with iptables in Ubuntu or Turning away the bruters

Without proper protection your server is a sitting duck waiting for a bot to guess the right combination and hit the jackpot. But with just 2 commands we can stop that.

Of course you can try google to find more articles about how to configure iptables in Ubuntu Linux but I am sure that above mentioned links will help you to move forward with configuring Ubuntu iptable and take the first steps on builing secure and stable iptables firewall box.




  1. June 24, 2009  10:00 am by artiomix Reply

    Do you have an article about how to configure Ubuntu firewall? Post a link here and will move it from comment into the post! :)

  2. January 26, 2011  11:21 am by Lucille Reply

    I simply wanted to thank you so much once more. I do not know what I would've sorted out without these strategies revealed by you over that subject. It was an absolute horrifying matter in my position, nevertheless spending time with this specialized style you resolved the issue took me to leap with happiness. I will be happy for your service and then sincerely hope you realize what an amazing job you have been providing teaching some other people using your web site. Most likely you haven't got to know any of us.

  3. February 14, 2011  4:16 am by Water Damage Reply

    Thank you for sharing that information with us. There is some great stuff there.

  4. February 17, 2011  6:23 pm by twilight erotica Reply

    I truly appreciate this post. I’ve been looking everywhere for this! Thank goodness I found it on Google. You have made my day! Thx again.

  5. May 19, 2011  12:25 am by Villa marrakech Reply

    great points altogether, you simply gained a new reader. What could you recommend about your post that you made a few days ago? Any positive?

  6. June 5, 2011  8:02 pm by private jets for sale charter texas Reply

    I'd like to thank you for that efforts you might have produced in writing this article. I'm hoping the same greatest function from you inside the long term as well. In reality your inventive writing abilities has inspired me to begin my own BlogEngine blog now.

Leave a reply


Your email address will not be published.