Aker Security Solutions
Aker Firewall, a stateful packet filtering firewall for Linux and FreeBSD. Integrages with Acker's Crypt server and client for VPN connections.
Astaro: Integrated Perimiter Security Software
Astaro supplies integrated perimeter security software solutions that include firewall, VPN, virus, surf and spam.
A netfilter-based firewall configurable through config files. May be used as a normal firewall or as a firewall script generator. Integrated with the Snort inline IDS.
Offers SecuraNET unified threat management solutions.
Check Point FireWall-1
ICSA certified Firewall-1. Operates on NT, Solaris, HP-UX, AIX, and RedHat Linux. Integrates with Check Point's VPN Gateway and RealSecure IDS products.
Clavister security Products
Offers both software and appliance format firewall and VPN solutions as well as support and training..
Dolphinwall. The Dynamic Firewall
Installed in two configurations, firewall/central manager and peripheral firewall It includes stateful packet inspection, IDS, HTTP and SMTP proxies and antivirus capability. The firewall runs completely by CD-ROM and a USB pen-drive can be used for back-up of the configuration.
A Linux based security distribution with web based management, stateful packet inspection, proxies, anti-virus, anti-spam, content filtering and VPN.
Creator of firewall and internet dailer software for multiple operating systems.
A small free firewall router intended as a replacement for more costly commercial products. The name stands for FREE ciSCO.
Debian/Linux based professional Firewall solution. Includes comfortable Webinterface and IPSec VPN.
IPCop Firewall Addons
A collection of binary addons for IPCop Firewall as well as some relevant site references.
All-in-one multi-platform Firewall with next-generation deep packet inspection technology. Includes IPSec VPN, Internet gateway (NAT), remote management, IDS, virus protection and PPPoE. Supports Windows, Linux and OS/2. Has a personal version.
Makers of the CyberArmor layered security architecture personal firewall. Includes a profile, product range, product specifications, news, and software downloads.
Creators of the fBuilder firewall configuration utility for Linux. Includes services, product range, client intranet, screenshots, a profile, and forums.
Linux-based firewalls and IsinGlass, is a script meant to make the average user's Linux machine more secure when connected to the Internet, for example, when dialing up via a local ISP.
Kerio Technologies UK Ltd.
Personal and corporate firewalls and secure mailserver solutions. Product details, customer references and on-line store.
LinuxMagic VPN Firewall
VPN FireWall, using the highest level of encryption, and industry standard IPSEC technology, ensures that no one can snoop your passwords or sensitive data, without paying the costs of expensive routers and dedicated networks.
A free embedded firewall software package based on FreeBSD.
NetBSD/i386 Firewall Project
Free firewall solution for people with a permanent Internet connection (e.g., xDSL or cable modem). Packet filtering firewall and NAT based on NetBSD.
Working over standard FreeBSD services, provides flexibility, ease of use and performance to corporate networks. NetBoz is a live CD and does not use a hard disk, while all the settings are stored on a write-protectable diskette, making it virtually immune to intrusions and power failures.
Provides a secure Internet gateway solution for LAN-to-Internet connectivity. Offers an ICSA-certified firewall and IPSec VPN with client VPN support and dynamic VPN routing as well as intelligent failover with high availability. Other filtering services are also available.
Open Source Firewall for Windows
First open source firewall for windows. Includes binaries and sources code. For Windows 2000 and later.
ICSA certified SecureZone and Sidewinder firewalls and application gateways. Embedded VPN capability. Integrates with Strikeback IDS product.
Securepoint Firewall Server
A free firewall system. A high-performance, commercial-grade application designed to offer full protection for network assets. Also offerings in VPN, IDS and other network products.
Simple OpenBSD Firewall Interface
complete firewall solution for OpenBSD with many features, all of which are accessible through a web interface.
Firewall/UTM software with VPN, content filtering, multiple WAN and simple web management
The Firewall Toolkit (FWTK)
A set of proxies to build a firewall. Provides information and software on building free firewall and security solutions.
The netfilter/iptables Project
Netfilter and iptables are building blocks of a framework inside the Linux 2.4.x and 2.6.x kernel that enables packet filtering, network addresses [and port] translation (NA[P]T) and other packet mangling. This enable use as a firewall and router.
pf -- Daniel Hartmeier's packet filter
Pf is a modern packet filter with NAT capabilities. It is used in OpenBSD.
A free firewall based on Packet Filter (pf) and FreeBSD 6.