Free network firewall software software for windows

CheckIt Firewall Sensor is used to determine whether you are behind a firewall or NAT (Network Address Translator). This application is useful when encountering problems attempting to make an Internet video call.

Windows 7 Firewall Control 3.0 is designed as a tool to protects Windows 7 and Vista applications from undesirable network incoming and outgoing activity, controls applications Internet access. Allows you to control personal information leakage via controlling application network traffic.

Major Features:

1. Designed for Windows 7 & Vista
2. Free versions available
3. Decreases expenses of mobile/satellite connections
4. Zone based network permissions management
5. Integration with Window Explorer for direct access permission management
6. Integration with Windows Security Center
7. Instant notifications of blocked activity
8. Special editions for portable devices (USB flash/HDD drives, iPod etc)
9. Special editions for U3 smart devices
10. Protection from incoming and outgoing threats
11. External network connection (firewall/router) box support
12. Automatic network connection box detection/management
13. External/worldwide access to selected local application
14. Port Forwarding management
15. Automatic Port Forwarding-to-applications synchronization
16. Simplicity of operation
17. Per-application security settings
18. Group zone and application network access permission management
19. IPv6 support

Increase your network security by knowing what your firewall is up to Right NOW. Features instantaneous updating graphical and list views for any Firewall Activity on your Lan. New - now supports World View.
Shows outgoing and incoming traffic by IP address, hostname and ports between machines on the inside of your network and the Internet. Use World View to see where in the world traffic is coming from!
IFM ( Instant Firewall Monitor) is

Vista Firewall Control 2.0.0.105 is a professional and useful program that protects your Windows Vista applications from undesirable network incoming and outgoing activity, controls applications Internet access. Allow you to control personal information leakage via controlling application network traffic.

Enhancements: Version 2.0.0.105 includes unspecified updates.

XP Firewall Control is a free widget that allows you to have handy control over native Windows Firewall (introduced in XP Service Pack 2). You can turn the firewall on and off in a single mouse click.

Rozmic Firewall is an automated security service that protects your Internet communications from spam and viruses. It operates at the gateway level, and scans all traffic entering your network. Its automated and supervised by security experts around the clock and around the world. Its like having an IT expert tweaking your network defenses every ten minutes.
Rozmic Firewalls e-mail content filter identifies spam by analysing the headers, subject and text of an e-mail. Using its rule base, it performs a wide range of heuristic tests to identify spam. Once identified, the e-mail can then be tagged as spam for later filtering using the companys internal mail server or your own e-mail client, or quarantined. Quarantined e-mail can then be released by the administrator or user depending on your settings or policies. We automatically update the spam filtration rules so you dont have to. This reduces your headaches and lets you concentrate on business.