7 Free Linux Security Tools For Ultimate Security

Linux has known as the most advanced and secure operating system in the world. Although it is secured, but you can make it more secure to relief from additional security threats. You can also protect your Linux Machine from Hacking, Injecting Virus, Malware and even stealing.

In this post, I will describe 7 free Linux Security Tools that will give you ultimate security.

Let’s Start

Best Linux Security Tools At A Glance

Clam AV

If you want an Antivirus solution for your Linux machine, Clam AV is a great solution for you.

Although Linux doesn’t need any antivirus. Because of its strong security management.But, Clam AV will give you an extra security from Windows viruses and e-mail threats.

Clam AV comes with its built-in Command Line and Graphical user interface. You can easily scan and detect almost 35000 virus, malware, and trojan with its updated database. It can automatically update virus database as like professional Antivirus software. Additionally, it can scan all common file types including Archiving (ZIP,RAR,TAR) and Document file formats (PDF,RTF,DOC,XLXS) easily.

ClamAV Screenshot

The most powerful feature of Clam AV is the Mail Gateway Scanner. It can easily detect virus, trojan or malware which comes with Spam/Junk mail. You won’t need an extra Mail Scanner for mailing threats.

Clam AV can detect windows viruses easily. If you have both Windows and Linux machine or have a Pendrive which contains viruses, it can detect and block them. A scheduled scanner like Premium Antivirus Software automatically scans your PC regularly.

Note: Although, Clam AV is a command line based antivirus. But, it has a GUI interface called CLamTK. So, if you are a beginner you can easily avoid the CLI interface.

ClamTK Screenshot

Features

• Command Line And GUI Scanner
• Automatic Virus And Malware Database Updater
• Supports Different Filetype (ZIP,RAR,TAR,PDF,RTF etc)
• Detect Windows Viruses Easily
• Powerful Mail Gateway Scanner
• Schedule Scanner included
• Open Source And Multi-Platform Supported

How To Install

Clam AV is available for different platforms. Including Windows, Linux, Mac OS X, and BSD. If you want to install you Linux machine, follow these steps.

For Debian And Ubuntu Based Distros

Open Terminal or press CTRL+T and enter the commands.

If you want to scan RAR or any non-free archive file, just enter this command.

For Redhat And Fedora Based Distros

Redhat And Fedora based users need to install the .rpm package. Star by clicking on the link given below to download the .rpm file and install it like any other .rpm package.

Gufw Firewall

If you want a simple but effective firewall solution for your Linux machine, Gufw Firewall is perfect. It is one of the most used Linux Security Tool which keep you secured from unknown threats.

There is proverb available about the internet, “It a computer connected to the internet, the computer is not safe.” To keep computer safe from unknown threats, a quality firewall is very important.

Gufw Firewall Screenshot

Gufw Firewall is a simple and powerful firewall application based on UFW (Uncomplicated Firewall). It also called the GUI version of UFW.

You can easily active and delete firewall rules, short and edit rules, easily block incoming traffic, forward targeted IP etc. You can also filter applications to control their internet use. The Gufw is open-source and supports all major Linux-Based operating systems.

So if you want some cool Linux Security Tools for your PC, Gufw Firewall must be one of them.

Features

• Based On UFW (Uncomplicated Firewall)
• Simple And Easy To Use
• Beautiful GUI
• Easily Activate And Delete Rules
• Edit And Shorting Rules
• IP Forwarding Feature
• Application Filtering Feature
• Open-Source

How To Install

Installing Gufw Firewall on Linux is not very hard.Just Follow these steps.

Install Gufw On Ubuntu

Go to Ubuntu Software Center and search for Gufw and click on install.It will take 2-3 minutes. If you want to install Gufw via command line, follow the steps below. Open Terminal or Press CTRL+T and write the command. Then press enter.

Install Gufw On Debian And Other Ubuntu Based Distro

Open Terminal or Press CTRL+T and write these commands and press enter.

Install Gufw On OpenSUSE

• Click On this Link >> Gufw For OpenSUSE
• Click On Direct Install Button

Install Gufw On Other Linux

Visit Gufw Firewall Website and follow the instructions.

Prey

When I was listed about best Linux security tools, Prey is one of my favorite choices.

Why?

Because Prey is an all-in-one anti-theft solution. It is the best tool for a Laptop Linux user.

Like all security tools, Pray has some unique features. Suppose, your Laptop has stolen or missed. You can locate your device from anywhere in the world by using Prey. This allows you to track device geolocation, positioning or even on a map. Easy to control and search for your device over the internet.

Install Prey On Other Linux

To install, download Prey for Linux from prey official website. After downloading, uncompress it and follow the README file for installation instructions.

Comodo Antivirus For Linux

If you want a proprietary but free antivirus for your Linux PC, Comodo Antivirus is the best solution for you. It is another great security tool that I have added my Linux Security Tools list.

Comodo Antivirus is a full-featured antivirus and malware detection application. It will protect you from all known threats like Viruses, Trojans, and Malware. If you Linux PC infected with Windows viruses from USB-Drive any other way, it can easily detect and remove them.

It even already comes with its Fast Cloud-Based scanning technology. Which will scan your computer based on its cloud database. On the other hand, it also used default virus definition for detection.

Comodo Antivirus Screenshot

There is also other great features available in Comodo. It has a behavior scanner like other Pro Antiviruses. If any unknown threats try to cause harm, it will automatically block it. Really great, isn’t it?

Comodo Antivirus included with powerful mail filter support which can protect you from e-mail born viruses. It has also real-time protection feature, detailed log viewer, scheduled scanning feature and custom scan profile creation, and management system.The antivirus is Cross-Platform and simple and easy to use.

So, if you need an ultimate antivirus solution for your Linux Machine, you can choose Comodo Antivirus without any hesitation.

Features

• Protect you Linux machine from all common threats
• Update automatically for latest virus and malware definition
• Fast cloud-based scanning
• Improved behavior scanning
• Real-time protection like premium antivirus
• Schedule scanning feature
• Detailed log viewer and custom scan profile
• Powerful Mail filter supports Postfix, Sendmail, Qmail and Exim MTA’s
• Can block email-born virus and malware easily
• Simple, Fast and easy to use
• Cross-Platform supported

How To Install

Comodo Antivirus is easy to install in Linux. Just follow these steps:

Install Comodo Antivirus On Debian And Ubuntu Based Distro

• Visit Comodo Official Website (Comodo Security)
• Go to the Linux Version from Personal Download Section
• Select Ubuntu, Debian or Mint Operating System and Select The Architecture (32bit/64bit). It will show a dialog box to download a .deb file
• After downloading the .deb file just install it with ‘Gdebi Package Installer’. If your beginner in Linux, follow this tutorial >> How to Install Software In Linux : A Step By Step Guide <<

Install Comodo Antivirus On Redhat,Fedora,OpenSUSE And CentOS Based Distro

• Visit Comodo Official Website (Comodo Security)
• Go to the Linux Version from Personal Download Section
• Select Redhat Enterprise, Fedora, CentOS or OpenSUSE Operating System and Select The Architecture (32bit/64bit). It will show a dialog box to download a .rpm file
• After downloading the .rpm file, simply install it like any other .rpm package

SRWare Iron Web Browser

There are several popular web browsers available for Linux. But, the major problem of these browsers that they are not fully secured except TOR.SRWare Iron comes with a good solution for those users who need Privacy and Security without using TOR.

SRWare Iron is a Chromium-Based web browser. It will secure your personal data from transferring and tracking. By using Iron, no website owners will track your browsing history,cookies or browsing interest. Though it based on Chromium, it supports all Google Chrome extension easily. So, you don’t need to think about extension and web apps. Also, it allows you to access the internet with default protocol. You don’t need to think about TOR like a secret but a slow protocol.

SRWare Iron Screenshot

Iron comes with pre-installed Adblocker. It doesn’t need any installation ID like Google Chrome. You can easily customize its default user agent. On the other hand, it is cross-platform too. So, you can use it you Windows and Mac OS X computer beside Linux.

So if you want to secure your web browsing, SRWare Iron is mandatory besides other Linux Security Tools.

Features

• Based on Chromium
• Supports all Google Chrome extension
• Strong privacy and security
• Doesn’t need an installation ID like Google Chrome
• Has no automatic update like Chrome
• Doesn’t send any error reports
• Do not track any data personal data like ‘Browsing History’
• Adblocker pre-installed
• Customized user-agent
• Cross-Platform supported

How To Install

Installing SRWare Iron browser is same as installing Google Chrome. Just follow these steps for installing Iron:

Install SRWare Iron On Debian And Ubuntu Based Distro

• Visit SRWare Iron Official Forum (SRWare Iron)
• Download the .deb file depend on your system architecture
• After downloading the .deb just install it with ‘Gdebi Package Installer’. If your beginner in Linux, follow this tutorial >> How to Install Software In Linux : A Step By Step Guide <<

Install SRWare Iron On Redhat,Fedora,OpenSUSE And CentOS Based Distro

• Visit (SRWare Iron) Official Forum (SRWare Iron)
• Download the .rpm file depend on your system architecture
• After downloading the .rpm file, simply install it like any other .rpm package

Install SRWare Iron On Other Linux

To install Iron browser for other Linux, Download Iron tar.gz version. After downloading, uncompress it and follow the README file for installation instruction.

KeePass X

If you want to store all of your passwords in one place, KeePassX is the best solution for you. It is an Open-Source, Cross-Platform, and all-in-one password manager.

KeePassX can store your passwords in a single database. You can save it to your Hard Drive,USB Drive or even online storage. It can easily detect your password strength, and will alert you if you have a weak one.

KeePassX Screenshot

KeePassX used Advanced Encryption System (AES) and Twofish algorithm to encrypt your passwords. Nobody can hack your password without the master one. You, on the other have, have it easy. KeePassX allows you to decrypt, search, access your passwords with its easy management features. Also, you can access passwords with CD/DVD-Drive or a USB Stick.

Features

• An all in one password storage
• Can store you passwords in one database
• Extensive features with easy management
• Can search password form a group or complete database
• Can access to the database with a USB stick
• Strong,Medium and Low-quality password indicator
• Advanced Encryption System (AES) and Twofish algorithm supported
• Open-Source and Cross-Platform

How To Install

Installing KeePassX is not very hard. Just Follow these instructions:

Install KeePassX On Ubuntu

Go to Ubuntu Software Center and search for KeePassX and click on install. It will take 2-3 minutes. If you want to install KeePassX via command line, please follow these steps. Open Terminal or Press CTRL+T and write this command and press enter.

It will add an update repository of KeePassX 2. Now, enter the commands below and press enter.

Install KeePassX On Debian And Other Ubuntu Based Distro

Open Terminal or Press CTRL+T and write this command and press enter.

Install KeePassX On Arch

Open Terminal and write this command and press enter.

Or if you want to install KeePassX 2 then write this command and press enter.

Wireshark

Wireshark is a network packet analyzer.In this post, I have described the Linux Security Tools Wireshark is different from others. It is one of the most advanced Network Packet analyzer and network security analysis tool.

Wireshark comes with tons of features. With Wireshark, you can inspect up to 100 types of network protocols. It can capture network packets instantly, and can analysis packets online and offline toeasily troubleshooting them.

Wireshark Screenshot

Wireshark has a powerful GUI allows you to browse captured data easily. Its has powerful display filter feature, different file analyzer, decrypt data from different protocols (WEP, WPA/WPA2, IPsec, SSL/TLS), human readable file export feature etc.

There are also many features available on Wireshark. You can explore all of them after installing. So, install and enjoy the most powerful network analyzer available for Linux and other Operating Systems.

Features

• Can Inspect different types of protocol (Up to 100)
• Capture Network Packets Instantly
• Offline Analysis Available
• Captured Data can browse easily with powerful GUI
• Powerful Display Filter Feature
• Can Analyze VOIP broadly
• Supports different file types for Read and Write. Including tcpdump (libpcap), Microsoft Network Monitor, Catapult DCT2000, Cisco Secure IDS iplog, Novell LAN Analyzer, RADCOM WAN/LAN Analyzer, Tektronix K12xx, Visual Networks Visual UpTime, WildPackets EtherPeek/TokenPeek/AiroPeek, Pcap NG etc
• Read data from all common platforms.Example: Ethernet, Bluetooth, IEEE, Wireless 802.11 and others
• Read data from all common platforms.Example: Ethernet, Bluetooth, IEEE, Wireless 802.11 and others
• Can Decrypt data on many protocols.including: WEP,WPA/WPA2, IPsec, SSL/TLS etc
• Can output to human readable files.Example: XML,CSV,TXT and PostScript
• Cross-Platform Supported (Windows, Linux, Mac OS X, FreeBSD, Solaris and others)

How To Install

Installing Wireshark is not difficult at all. Just Follow these instructions:

Install Wireshark On Ubuntu

Go to Ubuntu Software Center and search for Wireshark and click on install. It will take about 2-3 minutes. If you want to install Wireshark via command line, please follow these steps. Open Terminal or Press CTRL+T and write these command and press enter.

Install Wireshark On Debian And Other Ubuntu Based Distro

Open Terminal or Press CTRL+T and write these command and press enter.

Install Wireshark On Arch

Open Terminal and write this command and press enter.

It’s Your Turn

I think now you have cleared why Linux Security Tools are important and which tools makes you more secure. If you like this article, please leave us a comment or share.

If you have any question or suggestion about this article, we’d be happy to hear from you.

You can also check this post for further reading:

4 Best Linux Mini PC That You Can Buy Today

9 Best Ubuntu Torrent Client In 2016

Ubuntu Tweak – The Best Tool For Tweaking Ubuntu