
NetDefender
NetDefender is a free and open source firewall for Windows 2000/XP. 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.