CacheGuard Description

CacheGuard-OS is an open-source Linux-based UTM gateway appliance OS that has been in active development since 2002. It is designed to run on commodity x86 hardware and act as the default route between an internal network and the internet, replacing the ISP-provided router as the traffic checkpoint.

The stack integrates: Squid (web cache and proxy), ClamAV (web antivirus), ModSecurity (WAF), StrongSwan (IPsec/IKEv2 VPN), IPRoute2 (QoS and WAN load balancing), NetFilter (stateful firewall), SSL inspection, and URL filtering. All components are configured through a web-based admin interface rather than directly, making the platform accessible to operators without deep Linux expertise while remaining auditable by those who want to inspect the underlying configuration.

The OS has been open-source since its first release — source ships on every installed appliance. It was recently published publicly on GitHub to make the codebase easier to browse and audit.

Target deployments are small to medium networks — SMBs, schools, and branch offices — where a commercial UTM appliance is overkill on budget but the threat surface is the same. Runs on bare metal or common hypervisors (VMware, VirtualBox, KVM, Hyper-V). No vendor lock-in, no subscription, no licence cost.

GitHub: cacheguard/CacheGuard-OS

Pricing

Pricing Starts At:
$0
Pricing Information:
Free for any number of users. Optional paid support available.
Free Version:
Yes

Integrations

API:
Yes, CacheGuard has an API

Reviews - 2 Verified Reviews

Total
ease
features
design
support

Company Details

Company:
CacheGuard Technologies
Year Founded:
2025
Headquarters:
France
Website:
www.cacheguard.com
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Product Details

Platforms
Web-Based
Windows
Mac
Linux
iPhone App
iPad App
Android App
On-Premises
Types of Training
Training Docs
Live Training (Online)
In Person
Training Videos
Not Offered
Customer Support
Business Hours
Online Support
Not Offered

CacheGuard Features and Options

Web Application Firewalls (WAF)

Access Control / Permissions
Alerts / Notifications
Automate and Orchestrate Security
Automated Attack Detection
DDoS Protection
Dashboard
IP Reputation Checking
Managed Rules
OWASP Protection
Reporting / Analytics
Secure App Delivery
Server Cloaking
Virtual Patching
Zero-Day Attack Prevention

Network Security Software

Access Control
Analytics / Reporting
Compliance Reporting
Firewalls
Internet Usage Monitoring
Intrusion Detection System
Threat Response
VPN
Vulnerability Scanning

CacheGuard User Reviews

Write a Review
  • Name: Anonymous (Verified)
    Job Title: IT Architect
    Length of product use: 2+ Years
    Used How Often?: Daily
    Role: User, Administrator, Deployment
    Organization Size: 100 - 499
    Features
    Design
    Ease
    Pricing
    Support
    Likelihood to Recommend to Others
    1 2 3 4 5 6 7 8 9 10

    Satisfied customer

    Date: Apr 18 2023

    Summary: The solution is very useful and can be deployed with several platforms. We are fully satisfied by the quality of the technology offered and it’s easy integration in campus, branches or data centers.

    The pricing is fair and the reactivity of the support team is really appreciated.

    Positive: 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.

    Negative: We have the solution in production and so far so good.

    Read More...
  • Name: Krifa J.
    Job Title: Director
    Length of product use: Less than 6 months
    Used How Often?: Daily
    Role: User
    Organization Size: 1 - 25
    Features
    Design
    Ease
    Pricing
    Support
    Likelihood to Recommend to Others
    1 2 3 4 5 6 7 8 9 10

    Outstanding service!

    Date: Apr 12 2023

    Summary: In all seriousness, I highly recommend CacheGuard to anyone in need of a reliable and easy-to-use. Thank you, CacheGuard team, for your outstanding service!

    Positive: 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.

    Negative: 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.

    Read More...
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