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Firewall Software with Anti Spam (2026)

Last updated: April 2026

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9 software options

WatchGuard Firebox logo

Network security solution to protect against cyber threats

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Firebox firewalls and security services are a foundational component of WatchGuard's Unified Security Platform architecture. They deliver standard protections like IPS, URL filtering, gateway AV, application control, and antispam to advanced features like file sandboxing, DNS filtering, and more.

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WebTitan logo

DNS-based web filter, malware/phishing protection & security

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TitanHQ's WebTitan web filter is a DNS based web content filtering tool that blocks malware, ransomware and phishing attempts, and provides advanced web content control.

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DNSFilter logo

Cloud-based cybersecurity and network monitoring platform

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DNSFilter is a cybersecurity management software that enables enterprises, K-12 schools, and universities to detect online security threats and malware using artificial intelligence (AI) technology, machine learning (ML) algorithms, and content filtering capabilities.

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Cloudbric logo

Cloud and edge computing security solution

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Cloudbric is a network security tool that blocks web attacks through application firewalls, leakage protection, SSL certificates, and more. The software also offers functionality for remote access, website security, mobile security, and blockchain.

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NG Firewall logo

Network management and protection

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NG Firewall is a cloud-based network management and protection solution that includes network security, content filtering, user management, and performance optimization tools. The modular software is designed for organizations with limited budgets and IT resources.

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GoDaddy Website Security logo

Website Security Platform

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GoDaddy Website Security is an all-in-one website protection solution that provides state-of-the-art security tools to help protect your site from the most common security threats.

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pfSense Plus logo

Cloud-based network security and VPN software

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pfSense Plus is a cloud-based software designed to help businesses prevent cyberattacks and secure networking processes using a firewall, VPN, and other tools. Supervisors can conduct stateful packet inspections (SPI), define time-based rules, and block web traffic from specific regions using GeoIP filtering technology.

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Myra Security logo

We protect what matters. In the digital world.

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GDPR-compliant Web Application Firewall that secures websites and APIs against attacks, data breaches, and malicious traffic.

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Cisco Secure Firewall logo

Firewall solution with threat intelligence

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Cisco Secure Firewall is a cloud-based Firewall system that provides security for public, containerized, virtual, physical, and private firealls. Additionally, the software provides threat intelligence to maintain control of enterprise level encrypted traffic and application environments. Secure Firewall can be used across hybrid and multicloud environments along with integration with other Cisco security products to provide visibility across an entire system.

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