Windows Apps for Firewall Software
Top 3 Firewall Software Apps for Windows
More Firewall Software Apps for Windows

Kerio Control VPN Client (32 bit)
Trial versionKerio Control: Robust Network Security and Management
Windows
Windows Live OneCare
Trial versionProtect your computer with virus scanning, firewalls, and tune ups.
WindowsSymantec Enterprise Firewall
PaidComprehensive Protection with Symantec Enterprise Firewall
WindowsThreatSentry IIS Web Application Firewall (64-bit)
Trial versionComprehensive Security with ThreatSentry Firewall
WindowspcInternet Patrol
Trial versionAllow a program or a component to operate after its functionality is determined.
WindowsArmor2net Personal Firewall
Trial versionProtect your PC from Internet-borne threats, and stop hackers and data thieves.
WindowsSecure
Trial versionDiM: Secure Files, Lock System, Get Notifications
WindowsAllesta Firewall
Trial versionAllesta Firewall: Proactive Application-Level Security
WindowsNorman Personal Firewall (32-bit)
Trial versionNorman Firewall: Your Digital Shield Against Online Threats
Windows
XWall for Windows 2003 / 2008 (32-bit)
Trial versionXWall Secures Exchange Servers Against Threats
WindowsLeakOut
FreeLeakOut Exposes Firewall Vulnerabilities Simply
WindowsOA Blocklist Manager
FreeAutomate Your Online Armor Firewall Blocklist Updates
WindowsSafesquid Content Filtering Proxy
Trial versionSafeSquid: Comprehensive Content Filtering and Firewall Solution
WindowsThreatSentry IIS Web Application Firewall (32-bit)
Trial versionThreatSentry: Robust Web Security for IIS
WindowsAdvanced Personal Firewall
Trial versionMalwareSweeper: Multi-Layered Protection for Your PC
WindowsPrisma Firewall
Trial versionPrisma Firewall: Adaptive Stealth Protection Against Internet Threats
WindowsServerDefender AI
Trial versionIIS Web App Firewall Blocks Attacks with Neural Learning
Windows
XP Protection
Trial versionXPProtection: Robust Security with User-Friendly Interface
Windows
Using Internet Security and Acceleration (ISA) Server 2000 as a Firewall
FreeMaster ISA Server Design and Configuration
WindowsKatana Configuration & Policy Editor
Trial versionKatana: Integrated Firewall and VPN Security
Windows
XWall for Windows NT
Trial versionComprehensive Firewall Solution for Windows NT
Windows
TSplus Advanced Security
PaidComprehensive Protection with TSplus Advanced Security
WindowsServerDefender VP (32-bit)
Trial versionServerDefender VP: Robust Web Server Security Solution
WindowsFirekeys
PaidFirekeys: Comprehensive Internet Security Suite
Windows