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Free Security Apps for Linux

by Jeff Christman

Here is a short list of the most popular security applications for linux. I will be updatin this with links shortly

Clam AntiVirus Popular antivirus solution for UNIX based machines. Includes real time virus scanning and a virus definition database updated several times per day.

AVScan Front-end for Clam AntiVirus.

Avast Home Edition – Antivirus suite including real time scanning, email protection, internet traffic filtering, a firewall and more.

Housecall [Web Linux – Web based scanner that detects and removes viruses, worms, trojans and spyware. Also points out system vulnerabilities and offers advice on obtaining security patches.

chkrootkit – A solution for finding and removing rootkits from Linux machines.

Firestarter – Real time firewall that monitors all of the open ports and active network connections on your computer. Allows you to specify a very strict rule set.

Firewall Builder – Useful tool for assembling a firewall rule set or policy for popular UNIX based firewalls including iptables, ipfilter, etc.

TuxGuardian – Verifies the integrity of applications trying to gain access to the network. Useful for preventing viruses, trojans, spyware, etc. from spreading throughout the network.

HardWall Firewall – Iptables based script that performs detailed packet inspection and filtering to keep your computer free from malicious traffic.

BullDog – Complex firewall for advanced users.

PeerGuardian – Blocks IPs from accessing your network. Especially useful for protecting your privacy when using peer to peer software.

Thunderbird – Highly customizable secure email client. Comes equipped with spam email filters, phishing protection and encryption capabilities.

Sagator – An interface for the postfix, sendmail and other smtpd gateways that run popular antivirus and antispam solutions.

Tiger Envelopes – Encrypts email messages. Integrates into Outlook, Thunderbird, Mac Mail and KMail.

Tor – Uses a network of virtual tunnels to provide anonymity for surfing the internet and transferring files over a network.

BarracudaDrive – Free secure web server implementation. Useful for managing files remotely.

Firefox – A fan favorite browser for it's secure architecture and available add-ons. Uses SSL browsing by default.

McAfee Site Advisor [Windows, Linux, Mac] – Rates websites by their ability to infect your computer with malware. Advises you if a site is safe or not.

Opera – Secure multi-platform web browser.

PuTTY – Telent and SSH client for running remote sessions. Main features include command line based SCP and SFTP clients. Frequently used to communicate between a Windows machine and a Unix machine.

WebCleaner – Allows you to control the type of data your proxy parses. Useful for eliminating dangerous malware and removing annoying popup ads.

SmoothWall – Firewall, IDS and VPN system for home users and networks.

Nagios – Comprehensive web based tool equipped with virtually every imaginable feature for knowing exactly what’s going on in your network.

nLive Core – Monitors the traffic that traverses your network via packet inspection and filtering.

Network Mapper – Uses packets passing through the network to find out what hosts are available, what services they’re offering, what operating system they’re running and what type of packet filtration/firewall they’re using.

Wireshark – Powerful tool for capturing network protocol data for analysis. Contains more than 25 methods for reading packets making it useful for a wide array of networks.

Nessus – Industry leading open source network vulnerability scanner. Highly scalable and very thorough.

Snort – The premier free IDS solution. Detects a wide variety of attacks including buffer overflows, OS fingerprinting, CGI scans and more. Uses real time traffic analysis and packet logging on IP networks.

Open Source Host-based Intrusion Detection System – Personal IDS performing log analysis, registry monitoring, malware detection, time-based alerting and active response.

Prelude – Detects system anomalies and reports findings to the user. Also analyzes logs for anomalies.

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Are you tired of Windows crashing , removing spyware, viruses, and proprietary lock-in? Are you frustrated with licensing fees and software activation demands? Are you dreading the arrival of Windows Vista, with its increased hardware requirements? Are you willing to try something different?

Tux Watch will search the web for the best resources of software, top articles and tips and even have tutorials to get you started. Linux is a free and open-source operating system that has seen tremendous growth in the past several years. Linux is stable, secure, and very powerful. It is also has tremendous capabilities, far beyond those available with other operating systems. .

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    » Jeff-Christman

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