Put a barrier between you and malicious online files
Monitor all the network activity on your computer
Sordum.org
Keep your PC free of intruders
Intuitive firewall from the creators of SpywareDoctor
Protect your USB ports so nobody gets information from your PC
Build a wall between your computer and intruders
An alternative to the Windows Firewall
Winsock Firewall
Ashampoo Gmbh
Sphinx Software
Get the most out of the Windows firewall
Stop any threat with this efficient firewall
Powerful firewall for your Internet connection
SmartLine
Protect your PC from outside intrusions
SoftPerfect
Free Ultimate Process Firewall for Windows
Quickly create complete analyses and vulnerability reports
Browse the Internet with no worries of any kind
Protect your internet cafe's computers
Protect your computer while browsing the Internet
The last defense line for your system
Install STOPzilla and forget about spyware, popups, etc
CNIT servicios informáticos
MindSoft
Core Security Technologies
SecurStar GmbH
CoGen
Visualize Software
PER SYSTEMS
NetVeda
Jesús O.
Sunbelt
Vadim Kurland
Agnitum