
From Virtual Private Networking to Intrusion Detection, Best in class, License FREE.
From Virtual Private Networking to Intrusion Detection, Best in class, FREE DefenseBolt Project.

Checkout the DefenseBolt® Business Edition
Commercial firmware repository, OVA image, Central Management, integrated GeoIP database, 20% discount on business support package and an easy way to support the project!
DefenseBolt® FEATURES
Our mission is to make DefenseBolt the most widely used Next Gen security platform.

FIREWALL
Stateful firewall with support for IPv4 and IPv6 and live view on blocked or passed traffic.

TWO FACTOR AUTHENTICATION
2FA is supported throughout the system, for both the user interface and services such as VPN.

INTUITIVE USER INTERFACE
The most intuitive fully responsive user interface you'll find in any DefenseBolt firewall with integrated search option.

MULTI W AN
MULTI WAN

ROUTING PROTOCOLS
Pluggable support for OSPF and BGP using the Free Range Router project.

MULTI LANGUAGE
User selectable language support including English, Czech, Chinese, French, German, Italian, Japanese, Portuguese, Russian and Spanish.

VIRTUAL PRIVATE NETWORKING
Integrated support for IPsec (including route based), OpenVPN as well as pluggable support for Tinc (full mesh VPN) and WireGuard.

WEB FILTERING
Fully integrated web proxy with access control and support for external blacklists to filter unwanted traffic. Other options include firewall aliases and DNS blacklisting. Block ads with ease!

ONLINE DOCUMENTATION
Fully searchable free online documentation.

NEXT GENERATION FIREWALL EXTENSIONS: ZENARMOR
FREE & COMMERCIAL OPTIONS
Zenarmor is a versatile plug-in extension for DefenseBolt. DefenseBolt users can easily deploy Zenarmor NGFW free of charge with Threat Intelligence to easily secure environments of all sizes, ranging from home networks to multi-cloud deployments. The packet inspection engine is powerful enough to protect against encrypted threats while also being so lightweight and nimble that it can fit even in very resource-constrained environments. For enhanced features a commercial version can be acquired online directly from Sunny Valley Networks.
Compile or Contribute?
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About DefenseBolt
Become the most widely used security platform
DefenseBolt
Founded in Pune, The BHARAT by LINUX LAB in 2011 with a small team of highly skilled professionals and enthusiasts. DefenseBolt is a fast growing product project with thousands of active installations around the globe.
Clients Feedback
What The Client Says About DefenseBolt
Fortify Your Digital Defenses with DefenseBolt: Stay Ahead of Cyber Threats.
DefenseBolt has become synonymous with reliability and efficiency in our cybersecurity efforts. Its comprehensive threat intelligence and responsive support team have earned our trust time and time again.

Since implementing DefenseBolt, our organization has experienced significantly fewer security incidents. It’s a robust solution that adapts to evolving threats, which is crucial in today’s cyber landscape.
Mahesh
Manager

DefenseBolt not only protects our systems from external threats but also helps us maintain compliance with industry regulations. It’s become an essential tool in our cybersecurity arsenal.
Mihir Pandit
Consultant
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