Linux Security Enhanced Distributions

Linux Security Distributions

Forensic Linux Distributions

Linux Security Distributions

Tracks LiveCDs, LiveDVDs, and LiveUSB OS's

Freeware

Open Source

Based on SLAX (Slackware) providing user modularity. Innovative Penetration Testing live Linux distributions with Whax and Auditor

Fedora-based Live CD that is loaded with network security analysis, validation and monitoring software that can be utilized on enterprise virtual servers hosting virtual machines

An extensive set of network security tools that can be used for monitoring and discovering networks

A Live Linux Distro with a collection of hundreds of open source security tools built on Knoppix

Not strictly a security distro, but definately the most streamlined and smooth LiveCD distribution

Helix is more on the forensics and incident response side than the networking or pen-testing side. Commercial products as well

Live CD and Live USB created mainly for penetration testing and security assessment. Based on Gentoo

a secure platform for all of your organization's Internet facing systems. Designed from the ground up with security in mind, building your business on an EnGarde platform

Hardened,live and installable OS based on OpenSuse suitable for Desktop/Server and Penetration testing

Ubuntu base distro for Penetration Testing with GNOME Desktop Environment

Tiny Core Linux is a very small (10 MB) minimal Linux GUI Desktop

List of Firewall & UTM Distros

Open source network intrusion prevention and detection system (IDS/IPS)

Network, Web and Mail Security with VPN functionality and protects up to 50 IP addresses (free home version). Enterprise versions available as well.

Flexible, affordable alternative to proprietary, hardware-based, routers, firewalls, VPN concentrators and intrusion prevention devices.

Untangle provides a powerful suite of Internet management applications for small-to-medium businesses and education institutions.

Firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spamfiltering for email traffic (POP and SMTP), content filtering of Web traffic and VPN solution

Their goal was to create a Linux distribution that could convert a redundant PC into a hardened internet firewall device.

Small foot print mbedded firewall software package

Flexible firewalling and routing platform,  allowing further expandability without adding bloat

Linux firewall distribution. It is geared towards home and SOHO users

Linux Firewall All features are easily configured with the package manager

Powerful network and gateway server designed for small organizations and distributed environments

Commercial