Best Free Network Security Software

Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.

Unimus is an on-premise Network Automation and Configuration Management (NCM) solution designed for fast deployment and ease of use. It improves network security by providing centralized visibility into configurations and alerting you to unauthorized changes with real-time notifications. Its full-featured API integrates with SIEM tools to boost visibility and support security operations. Compliance Reporting ensures configurations meet internal security policies and audit requirements. The Mass Config Push tool enables scheduled firmware upgrades, letting you patch vulnerabilities across the network without manual updates. Supporting 400+ device types from 150+ vendors, Unimus offers Network Automation, Change Management, and Config Auditing in a vendor-agnostic platform. It eliminates manual errors, strengthens security, and speeds up operations — all without requiring programming skills.

Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.

Secure instant messaging system with own server that can work in local area network and over the Internet. Providing collaboration tools for employee engagement. Built-in knowledge base, important notifications with return receipts, Bulletin board, broadcast messages, flexible server management, the system for user rights to access MyChat features, voice/video calls, screen sharing calls, Kanban project management, conferences, private dialogues, extended contact list, available for all platforms: Windows, macOS, Linux, Android, iOS, WEB.

CacheGuard-OS transforms a virtual or bare metal machine into a powerful and easy to handle network appliance. It's a Linux based Operating System built from scratch and especially designed to Secure and Optimize the network traffic. Great care has been taken by CacheGuard-OS developers to select the best of the best Open Source technologies to integrate into CacheGuard-OS. The result is a robust and trustworthy solution that can be up and running within minutes. CacheGuard-OS integrates Open Source software such as but not limited to OpenSSL, NetFilter, IProute2, StrongSwan, ClamAV, Apache, ModSecurity, Squid and Open Source developments made by CacheGuard-OS developers.

At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. At present, SafeDNS serves more than 4000 businesses and institutions, and tens of thousands of home users worldwide. We do: -Web content filtering. We help you block all dangerous or unwanted websites such as pornography, violence, child sexual abuse and similar categories. -Malware protection. We also have your back against malicious sites trying to breach user devices either with viruses or information theft intent. -Cloud service. Additionally, we provide you with a cloud filtering service that requires no additional hardware purchase or software installation.

Choose us because we offer the easiest to use technology without sacrificing features or performance. We back this up with outstanding support and care, delivered under a fair and cost effective pricing model Our technology is used by the smallest startups with big ideas and small budgets all the way to global enterprises and anything in between. We love them all the same! Easy to use Load balancing, WAF, GSLB and SSO/Pre-Authentication. It is also the Only true ADP Application Delivery Platform where the functionality and lifespan can be enhanced using the app store or applications that you develop in house.

The cost-effective alternative to AWS Network Firewall, Azure Firewall, and cloud-native NAT Gateways. Same features. Less cost. No data processing charges. enforza is a cloud-managed firewall platform that helps you build a unified multi-cloud perimeter with powerful firewall, egress filtering and NAT Gateway capabilities. With easy cloud management at its core, enforza is truly multi-cloud, enabling you to apply consistent security policies across multiple clouds and regions. - Install the agent on *your* linux instance (cloud or on-prem) with one command. - Claim your device on the portal. - Manage your policies.