Firewall 0.97.4 Portable ●

Automatically drops all unsolicited inbound packets, making your device "invisible" to simple network scans. Key Features in 0.97.4

Optimized for older hardware, consuming minimal RAM and CPU cycles while active in the system tray. Security Use Cases Firewall 0.97.4 Portable

Users can define "Allow/Deny" rules based on IP ranges, ports (TCP/UDP), and specific protocols. Automatically drops all unsolicited inbound packets

Ideal for use in cafes or airports where the host machine’s native firewall may be disabled or unconfigured. Firewall 0.97.4 Portable

If running potentially risky portable software, this tool can block all outbound traffic for that specific executable to prevent "phone-home" behavior.

Generates real-time .log files in the application folder, providing a clear trail of blocked IP addresses and connection attempts.