Free DNS Filtering Appliance, also known as VeloGuardian DNS, is a self-hosted solution designed to provide network-wide ad and malware blocking for home users, families, and small businesses. It operates as a pre-configured, hardened virtual appliance that users can deploy by importing an OVA file into their preferred hypervisor, such as VMware, VirtualBox, or Proxmox. By configuring a network's router to use VeloGuardian DNS as its DNS server, every device on the network—including laptops, phones, smart TVs, and IoT devices—receives protection automatically, without requiring software installation or per-device setup.
The platform blocks intrusive ads, tracking pixels, analytics domains, known malicious domains, phishing sites, and command-and-control servers by filtering DNS requests against continuously updated blocklists. It supports category-based filtering with 13 groups and 75 categories, allowing for granular control over what types of content are accessible on the network. Per-client filtering profiles and parental controls are included, enabling users to block specific categories such as adult content, gambling, or social media across all devices. This makes it suitable for parents seeking to enforce network-wide controls or small businesses aiming to protect their office environments from threats and distractions.
VeloGuardian DNS features a browser-based web dashboard for real-time monitoring of DNS queries, management of blocklists, viewing per-device statistics, and configuring allowlists and denylists. Initial network configuration, such as setting IP addresses and upstream DNS, is handled through a lightweight console interface, with SSH access available for advanced administration. The appliance is purpose-built with a minimal attack surface, disabled unnecessary services, a locked-down operating system, and automatic security updates.
The solution is completely free to use, requires no account registration, and does not rely on cloud services or telemetry. All DNS data remains on the user's own hardware and network. VeloGuardian DNS is positioned as an alternative to other DNS filtering solutions, offering a self-hosted, easy-to-deploy virtual appliance for comprehensive network-level protection.
In the Security & compliance platforms space, Free DNS Filtering Appliance takes a focused approach. It focuses on blocking ads, malware, and phishing network-wide without per-device setup using a self-hosted DNS appliance. It is built as a consumer product for home users, families, and small businesses. Free DNS Filtering Appliance costs nothing to use. It runs on the web, Windows, Linux, and macOS, and it can be self-hosted.
Behind Free DNS Filtering Appliance is VeloGuardian, and the product first shipped in 2025. Key capabilities include DNS filtering, ad blocking, and malware protection.
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