Best Firewall Products in 2025

Lightweight and non-intrusive firewall.

Key TinyWall features:

Lightweight No Pop-ups Easy Configuration Whitelist-Based

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Key Netumo features:

Monitoring SSL Monitoring Twitter SMS notifications

Try for free freemium $9.0 / Monthly (Lite plan)

Visualize network activity in detail, get notified when new apps access the network, look out for...

Key GlassWire features:

User-Friendly Interface Comprehensive Network Monitoring Real-Time Alerts Firewall Management

Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...

Key Comodo Firewall features:

Strong Security User-Friendly Interface Customizable Rules Sandbox Technology

Windows Firewall Control is not the built in firewall system in the Windows operating systems.

Key Windows Firewall Control features:

User-Friendly Interface Customization Options Notifications Profile Management

Little Snitch is a firewall application that monitors and controls outbound internet traffic.

Key Little Snitch features:

Comprehensive Control Real-time Monitoring Privacy Protection Custom Rules

SonicWall security solutions protects your network, systems, users and data from cyber threats.

Key SonicWall features:

Comprehensive Security Suite User-Friendly Management Scalability Strong Support Services

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.

Key pfSense features:

Open Source Comprehensive Feature Set Customizability Excellent Documentation

Open Source

Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.

Key Emsisoft Online Armor Firewall features:

High Security User-Friendly Interface Real-Time Monitoring Customizable Rules

WatchGuard Firebox is a comprehensive advanced network security appliance that puts IT security professionals back in charge of their networks with widely deployable, enterprise-grade security and threat visibility tools suitable for any organization.

Key WatchGuard Firebox features:

Comprehensive Security Features User-friendly Management Tools Scalability High Performance

Total Defense Internet Security Suite is an ultra-modern internet protection system that provides the users with the system of protecting their entire network structure against the both external and internal potential threats.

Key Total Defense Internet Security Suite features:

Comprehensive Protection Identity Theft Protection Multi-Device Support User-Friendly Interface

Sophos UTM integrates complete security software within a single appliance.

Ashampoo FireWall is a Window firewall system that is designed for the earliest versions of the Windows operating systems.

Key Ashampoo FireWall features:

Free to Use User-Friendly Interface Basic Protection Resource Efficient

Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall.

Key ufw features:

User-Friendly Interface Ease of Configuration Pre-configured Profiles Integration with GUIs