Detect DDoS first, stop it fast.
Click here to Download
Anti DDoS Guardian
Many users don't realize their online servers are under attack. As shown in the image, DDoS traffic (in red) was detected and blocked during an actual attack. Try Anti DDoS Guardian for free and uncover what's happening on your servers.
Start your free DDoS protection trial now
Step 1
Click here to download
Anti DDoS Guardian. The full installation file size is only 2 megabytes.
Step 2
Install it on the Windows servers you want to protect. The first time you run it, please leave all settings as default.
Step 3
Done. Your servers are protected.
Why choose Anti DDoS Guardian?
Monitoring & defending
Graph-based monitoring tools allow users to observe suspicious network activity in real time. Customize DDoS protection rules based on observations.
Rate limiting
Advanced rate limits include client concurrent TCP connections, TCP connection rate, UDP rate, and client bandwidth.
Unique DDoS attack protection mechanism
The network flow-based analysis engine in the TCP/IP stack detects sophisticated DDoS attacks.
IP pool protection
Put all legitimate online users into a safe IP pool.
IP blocking API
Easy-to-use programming interface allows importing third-party application block lists.
Protocol-based firewall
Gain full control with network filtering by IP address, port, and protocol.
Contact us
If you have questions when you purchase our products, please email us at
If you have any technical questions, please email us at