NetDefender is a Free Firewall with source code, which can be downloaded along with firewall executables. Netdefender works only on windows 2000 and above versions of windows.
Netdefender has a very easy to use interface. NetDefender Firewall is completely written in VC 7.1 (Visual Studio 2003) using MFC , Windows API, Filter Hook Driver (Provided with Windows 2000).
Main features:
- User can Block all Traffic and can Allow all traffic through just one mouse click
- It is a packet filtering Firewall.
- User can add custom rules to this firewall as per their security requirements.
- User can define rule based on source and destination IP, source and destination Port number and on Protocol used (IP,TCP,ICMP).
- User can modify already added rules.
- User can Remove the already added Rules.
- A Port scanner is also provided to scan the system for open Ports.
- Provides the list of applications that are currently trying to connect to outside network.
- Proper help file is provided in case of any difficulty.
Requirements :
- Netdefender can only run on an OS higher than windows 2000 (i.e. Win 2000, Win Xp I hope Vista would not break anything)
- User must has admin rights (i.e. must be member of administrator group ) on the system.
- Default Firewall of windows Xp must not be running . In windows Xp with service pack 2 Default firewall is always running. So you need to stop it before running the Netdefender.
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