SINUS Firewall Page
Free TCP/IP packet filtering firewall for Linux. IP, TCP, UDP, ICMP and IGMP packet filtering. Dynamic rules including time-outs. Graphical management interface.
Smoothwall Limited
Corporate server, a linux based, stateful inspection software firewall. Plugin modules available to add VPN and web filtering functions. Customer case studies and option to buy online.
StoneGate High-Availability Firewall and VPN
An enterprise-class firewall with integrated VPN, high-availability and load-balancing. Load-balancing includes both connections and servers.
Sygate
Internet security and access solutions from PCs to medium networks. Protocol-based packet filtering firewall products.
TeamF1, Inc. Software
Provides software solutions in embedded network security and management on embedded OSes such as vxWorks. FireFly for vxWorks product implements a small footprint robust firewall for use in residential gateways and other internet appliances.
Trustix AS
Developers of the XSentry firewall and Trustix Secure Linux. Security science and research.
tummy.com, ltd.
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.
Vicomsoft Firewall and Internet Security Software
FAQs, White Papers, case studies and trial downloads of firewall and filtering software.
Winproxy by Ositis Software
Network Address Translation, firewall, and modem sharing. Runs on Windows NT/95/98. Recently purchased by Blue Coat.
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