Open Source Unix Shell Firewall Software

The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.

BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.

An iptables based firewall for systems running the Linux 2.4 or later kernel. Very flexible configuration allows the firewall to be used in a wide variety of firewall/gateway/router and VPN environments.

This project will serve as a central hosting/bug tracking center for modifications to the SmoothWall.org firewall distribution. Support and information for the "mods" posted here can be found on the SmoothWall.org forums, the SmoothWall.org IRC server, or

[not maintained anymore] Jay's Iptables Firewall is a script with support for multiple (external/internal) interfaces, TCP/UDP/ICMP control, masquerading, synflood control, spoofing control, port forwarding, VPNs (vtund), ToS, denying hosts, ZorbIPTraff

Bypass is an IP forwarding/tunneling tool which can be used where limited bypassing of a firewall is necessary, but relaxing the restrictions in the actual firewall is not an option. The aim is for bypass to be automatic and transparent.

AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.

Sentry Firewall CD-ROM is a Linux-based bootable CD-ROM suitable for use as an inexpensive and easy to maintain Firewall or IDS Node. The system is designed to be immediately configurable for a variety of different operating environments via a config fil

Snort2Pf is a small Perl daemon which greps Snort's alertfile and blocks the "naughty" hosts for a given amount of time using pfctl.

Alfandega is a strong and Modular IpTables Firewall. It provides NAT, port-forwarding, spoofing list, blacklist of crackers and spywares sites, protection for tcp/udp scans, DOS/DDOS and Smurf attacks, TCP tuning, DHCP and PPP support and much more.

EasyBSD is a modular automation script designed to assist in the extensive post installation process that is required in FreeBSD. The following are modules that are included with EasyBSD, Checks, Update, Security, Networking, Firewall, and more...

New improved iptables tool, based on my earlier project Easy Linux Firewall, but rewritten from scratch using Perl. It's a simple rewrite for now, but i am working on adding some new features like. Some of the improvements will be web administration panel, automatic filtering daemon, TCP listener providing easy to use API so you can integrate it on many servers and centralize them in to one Web interface to control all of them. I am open to new ideas and also any kind of contributors, because I'm working on this alone and it isn't easy, so you are welcome to help.

GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.

Green Screen: A Linux based Advanced Syslog Server for Juniper NetScreen Firewalls - Can be expanded later to support other products. It can capture syslog messages, parse them, store them in a MySQL database. A Web GUI interface is also included.

Smoothwall Mod for Dansguardian User group editing. Creates five initial groups; everybody, child, preteen, teen and adult. Intended to automated the editing of filtergroupslist and exceptionuserlist via the web interface of Smoothwall. Inserts as a new

MailCleaner is no longer maintained. It will return soon in another form. [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...) You can install now MailCleaner within the following virtual environments: qcow2 (KVM, Proxmox, OpenStack, Xen) ova (OVA, VMware ESXi, VMware Workstation, Fusion) vhd (Asure, VirtualPC) vhdx (Hyper-V) AMI (Amazon) Dedicate a server to MailCleaner, and you will have a working professional mail filter in le

GNU Firewalling tools. Formerly known on Freshmeat as ipchains-firewall.

SSPE: Simple Security Policy Editor is a simple distributed firewall with an central ascii administration. It uses two plain manually edited ascii-files and some other, static files for each of the target-machines to generate iptables.

Live Security/Forensics Linux Distribution, built from scratch and packed full of tools useful for vulnerability analysis, penetration tests, and forensic analysis.