What is CacheGuard?
CacheGuard is a free, open-source network security gateway designed for small and medium businesses that need professional-grade internet protection without the cost of a dedicated IT team or a commercial appliance subscription.
Most SMBs rely on the router their internet provider gave them. That router was built to connect, not to protect — it forwards all traffic without inspecting it, leaving the network exposed to malware, phishing, data leaks, and unauthorised access. CacheGuard fixes this by sitting between the internal network and the ISP router, acting as the security checkpoint for all internet traffic.
What CacheGuard covers:
Stateful firewall — control what enters and leaves your network
Web antivirus — real-time scanning of HTTP/HTTPS traffic
URL filtering — block websites by category or custom list
SSL inspection — inspect encrypted HTTPS traffic
Web Application Firewall — block malicious web requests
VPN server — secure remote access for your team
Web cache — faster browsing, lower bandwidth usage
QoS and WAN load balancing — traffic shaping across internet links
Key advantages over commercial alternatives:
No licence cost, no subscription, no vendor lock-in
Runs on any spare x86 PC or common hypervisor
Web-based admin interface — no command-line expertise needed
Open-source and auditable — in active development since 2002
ISP router requires no reconfiguration
CacheGuard installs from a single ISO in under an hour and is suitable for offices, schools, branch networks, and home labs.
Pricing
Company Facts
Product Details
Product Details
CacheGuard Categories and Features
Web Application Firewalls (WAF)
Network Security Software
CacheGuard Customer Reviews
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Satisfied customer
Date: Apr 18 2023SummaryThe 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.PositiveWe 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.NegativeWe have the solution in production and so far so good.
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Would you Recommend to Others?1 2 3 4 5 6 7 8 9 10
Outstanding service!
Date: Apr 12 2023SummaryIn 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!
PositiveHello!
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.NegativeI 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.
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