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

Firewall Client for ISA Server
FreeInstall Firewall Client software on 32- and 64-bit Windows-based computers.
WindowsD-Guard Web Firewall Server
Trial versionProtect your Web sites against DDoS attacks.
Windows
Kerio VPN Client (32-bit)
Trial versionManage unified threat and control user Internet activity and productivity.
Windows
Look 'n' Stop Personal Firewall
Trial versionProtect your PC from spyware and net hackers.
WindowsIpfilter
FreeGet a packet filter for TCP/IP.
WindowsThreatSentry IIS Web Application Firewall (64-bit)
Trial versionStop SQL Injection and delivers compliance for PCI DSS.
Windows
XWall for Windows 2000 (32-bit)
Trial versionProtect your exchange server from viruses.
WindowspcInternet Patrol
Trial versionAllow a program or a component to operate after its functionality is determined.
WindowsOA Blocklist Manager
FreeSelect which blocklists should be automatically updated, download latest set of blocklists, and add these files in Online Armor settings.
Windows
PC Tools Firewall Plus Free Edition
FreeProtect your computer from intruders and malicious network traffic.
Windows
Netfee Enterprise (32 bit)
Trial versionManage and monitor your Internet access and usage.
WindowsServerDefender VP (32-bit)
Trial versionSecure your web server against malicious attacks.
Windows
Application Killer
Trial versionMonitor and eliminate specific applications from your computer.
Windows
BotFence
Trial versionBlock IP addresses of bots and hackers in your Windows firewall.
WindowsSafesquid Content Filtering Proxy
Trial versionQuestion the authentication and secure fetched Internet content.
Windows
TSplus Advanced Security
PaidDetect attacks on remote connections, protect servers and improve your security.
WindowsSymantec Enterprise Firewall
PaidSecure high-speed firewall
Windows
iNet Protector
Trial versionRestrict access to the web and internet connection.
WindowsDefzone SSL
FreeEstablish SSL tunnel(s) towards Defzone Firewalls or OpenVPN endpoints.
WindowsRDP Sentinel
Trial versionProtect your Remote Desktop Server from brute-force logon attacks and 4625 fails.
WindowsIPDog
Trial versionAcquire the names of about 1500 IP-ports and view anonymous interactions threatening your security.
WindowsXenCare SoftLock
Trial versionLock your PC the same way you lock your house.
Windows
Fastream IQ Proxy Server GUI
Trial versionShare Internet connection among your PCs, featuring filtering with respect to domain, location, header, and content.
Windows
Securitychkr
FreeValidate the status of your firewall ports.
Windows