CacheGuard

CacheGuard

CacheGuard Technologies
LinkGuard

LinkGuard

Blue Ridge Networks
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About

CacheGuard-OS is a free, open-source Linux-based network security appliance OS that turns any standard x86 machine into a UTM gateway. It sits between your devices and your ISP router, becoming the checkpoint for all internet traffic — no IT team required. Open-source since its first release, CacheGuard-OS includes: stateful firewall, web antivirus (ClamAV), URL filtering, SSL inspection, WAF (ModSecurity), VPN server (StrongSwan), web cache (Squid), QoS (IPRoute2), and WAN load balancing. It installs on bare metal or any common hypervisor in under an hour. Configuration is handled through a web-based admin interface with no command-line expertise needed. Built for small businesses, schools, and sysadmins who need production-grade network security on commodity hardware.

About

LinkGuard from Blue Ridge Networks is a cybersecurity and network-segmentation solution designed to secure critical IT and OT (operational technology) assets by placing them inside a “stealth” overlay that isolates, conceals, encrypts, and authenticates access to sensitive systems. LinkGuard uses a zero-trust, high-assurance cryptographic overlay (called CyberCloak) that creates separate secure Layer-2 network enclaves, segregating protected systems from the general network and each other, thereby dramatically reducing the attack surface without requiring changes to existing network infrastructure. Because LinkGuard operates as an overlay rather than replacing underlying networking or requiring reconfiguration of IP addressing, it can rapidly deploy using pre-configured cryptographic devices (like BorderGuard) and/or client-side agents, enabling secure remote access across distributed sites.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Network Security & Optimization for SMB

Audience

Organizations managing critical IT and/or OT infrastructure seeking a solution to optimize their network segmentation, secure remote access, and cryptographic protection for sensitive assets and operations

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0
Free for any number of users. Optional paid support available.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • We acquired the solution for our deployment in our branches with a goal of load balancing and QoS features, I have to say that we were impressed by the quality of the solution and the professionalism of the support team. I highly recommend CacheGuard.
  • Hello! I just wanted to drop a quick note to let you know that I've been really impressed with CacheGuard. The service has been incredibly user-friendly and has exceeded my expectations in terms of simplicity and effectiveness.

Cons

  • We have the solution in production and so far so good.
  • I also wanted to express my sincere appreciation to the CacheGuard support team. They've been fantastic in providing prompt and helpful assistance whenever I've needed it. Thank You.

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

CacheGuard Technologies
Founded: 2025
France
www.cacheguard.com

Company Information

Blue Ridge Networks
Founded: 1997
United States
blueridgenetworks.com/linkguard/

Alternatives

Alternatives

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BlastShield

BlastWave
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TorGuard

TorGuard VPN
UTunnel VPN and ZTNA

UTunnel VPN and ZTNA

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SideChannel
SONiC

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AQtive Guard

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SandboxAQ

Categories

Categories

Network Security Features

Access Control Supported
Analytics / Reporting Not Supported
Compliance Reporting Not Supported
Firewalls Supported
Internet Usage Monitoring Not Supported
Intrusion Detection System Not Supported
Threat Response Not Supported
VPN Supported
Vulnerability Scanning Not Supported

Web Application Firewalls (WAF) Features

Access Control / Permissions Supported
Alerts / Notifications Not Supported
Automate and Orchestrate Security Not Supported
Automated Attack Detection Not Supported
Dashboard Supported
DDoS Protection Not Supported
IP Reputation Checking Supported
Managed Rules Supported
OWASP Protection Supported
Reporting / Analytics Supported
Secure App Delivery Not Supported
Server Cloaking Supported
Virtual Patching Supported
Zero-Day Attack Prevention Not Supported

Integrations

Proxmox VE Supported
VMware ESXi Supported
VirtualBox Supported

Integrations

Proxmox VE Not Supported
VMware ESXi Not Supported
VirtualBox Not Supported
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Claim CacheGuard and update features and information
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