The NetDefender application was developed to be a free firewall with source code, which can be downloaded along with firewall executables.
Here are some key features of "NetDefender":
· 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:
· 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.
What's New in This Release: [ read full changelog ]
· UI is now much more professional and colorful.
· Custom Buttons are used with some cool effects.
· Toolbar is updated, description is added for each command.
· New cool tool tips are added in Netdefender.
· All rules are now added to rule file.
· Added rules are now easy to understand as it can shows rule user friendly language like any Port or My Machine.
· Tool tips on the added rules list show the description the a novice user can understand.
· Tool tips shows the Most common description (taken from wikipedia ) of the particular port number. For example if the Netdefender rules used the port number 21 its tool tips show the port desc as "FTP control (command) port" as 21 port is reserved for FTP protocol.
· User can now modify the already added rules.
· Already added rules can be removed for the firewall.
· Many bugs are solved in 1.5. Most of them are related to UI.
Find us on Google+
