ZoneAlarm Extreme Security Alternatives

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

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

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.

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

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

Open Source

Sophos XG Firewall provides unprecedented visibility into the network, users, and applications directly from the all-new control center.

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

Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.

Barracuda's cloud-ready firewalls improve site-to-site connectivity and provide enterprises with uninterrupted access to applications hosted in the cloud.

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.

Barracuda MSP is the first and only MSP-focused provider of advanced threat protection with backup & disaster recovery - complete data protection for MSPs.

Lightweight and non-intrusive firewall

AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.

Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.

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