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Know your Linux security tools

written by: jlwallen•edited by: Michael Dougherty•updated: 12/22/2008

Linux is a very secure operating system. But that doesn't mean you should "set it and forget it". Even though Linux is fairly secure out of the box, you should always set up the security to match your specific needs. In this series of articles you will learn about the tools you need to do just that.

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    So many tools, so little time

    The list of Linux security tools is quite lengthy. If you do a search on Freshmeat you will see over 700 projects. Wading through that list and knowing what tools are really the best, would take you a lot of time. Fortunately in this series of articles, you will be introduced to the best of the best Linux security tools.

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    To GUI or not to GUI?

    One of the first questions you have to ask, is if you need a GUI tool or a command line tool. The need could be dictated by a console-only server, which would only allow a text-based tool. Or what if you don't have time to learn the entire syntax of iptables? That would preclude a GUI application. The good news is that there are outstanding applications on both sides of that fence to help you in your quest to have the most secure Linux box you can.

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    What you might find

    In this series you will come across tools like:

    • iptables: The text-based tool that most Linux security tools is built upon. This is the most important piece of your Linux security tool kit.
    • fwbuilder: This is a GUI front-end for iptables. This tool will make building itpables chains simple.
    • ssh: Although not directly in charge of security, secure shell allows you to securely log into your machines.
    • gpg: This is an encryption tool that will allow you to lock files and directories up tight. Also only allow those with the key to enter.
    • Nessus: Simple to use Security auditing tool
    • Rootkit Hunter: Security monitoring tool.

    There are a lot more tools than listed above. You will most likely over time come across plenty of Linux security articles here on Brighthub, that go well beyond the above listing.

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    Final thoughts

    Linux security is critical when dealing with servers housing mission-critical data. In this series of articles you will be given all of the tools you need to keep your data locked tightly away from the prying eyes of nefarious users.

Keep your Linux box secure with these tools

Linux is well known for its security. It's one of the many reasons why IT managers insist on using Linux to keep data safe. But do you know the tools to keep your Linux boxes security as high as possible? This Bright Linux Commands series will introduce you to the tools you need to keep Linux secure
  1. Know your Linux security tools
  2. Linux Command Line: ssh
  3. Linux Command Line: gpg
  4. Let IPtables Help Secure Your Linux Box
  5. Linux Firewalls Made Easy With Fwbuilder