Protect your RDP from brute-force attacks. Stop RDP, MSSQL, FTP brute-force. Fail2ban for Windows.
Intrusion prevention system for your Windows Server

What is RdpGuard and How does it Work?

RdpGuard is a host-based intrusion prevention system (HIPS) that protects your Windows Server from brute-force attacks on various protocols and services (RDP, FTP, SMTP, MySQL, MS-SQL, IIS Web Login, ASP.NET Web Forms, MS Exchange, RD Web Access, etc).

It monitors the logs on your server and detects failed logon attempts. If the number of failed logon attempts from a single IP address reaches a set limit, the attacker's IP address will be blocked for a specified period of time.

For Windows XP, Vista, 7, 8, 8.1, 10 and Windows Server 2003 (R2), 2008 (R2), 2012 (R2), 2016

Attacker's IP address blocked on the Firewall

Attacker's IP addresses are blocked automatically. Click image to view other screenshots.

Why do you need it?

Many Windows Server machines are under constant attack. Network scanners and RDP brute-force tools work 24/7. Eventually they may find a password to access your server! Moreover, RDP brute-force attacks abuse server resources (CPU, RAM, Disk Space and Network Bandwidth).

Take a look at your server's Security EventLog. How many failed login attempts do you see? The log may note thousands of failed login attempts from a single IP address. This means that someone is trying to find a password to access your server.

RDP password-guessing attacks in System EventLog

This is how an RDP brute-force attack appears in the Security EventLog.

How can you protect your server from brute-force password-guessing attacks on RDP? The answer is RdpGuard - powerful tool that allows you to protect your Remote Desktop from brute-force attacks.

RdpGuard works as a Windows Service. Your Windows Server will be protected even if nobody is logged in.

Attacker's IP address blocked on the Firewall

Attacker's IP address is blocked on the Firewall automatically.

For Windows XP, Vista, 7, 8, 8.1, 10 and Windows Server 2003 (R2), 2008 (R2), 2012 (R2), 2016

19 Dec, 2017 - RdpGuard Version 4.8.9 Released

  • Maintenance release
  • Fixed an issue with Raw Sockets monitoring method
  • Fixed an issue with IPSec blocking method
  • Fixed an issue with empty Blocked IPs list in rare cases
  • Other minor improvements and bug-fixes

15 Dec, 2017 - RdpGuard Version 4.8.5 Released

  • Added support for VoIP (SIP Protocol)
  • Improved RDP detection engine for Windows Server 2012
  • Auto-reset counter of failed login attempts if user successfully logged in
  • Added new TOTAL_IP_BLOCKED variable for Custom Actions/Notifications
  • Added User Logged In event for Custom Actions/Notifications
  • MS-Exchange SMTP Server moved to SMTP Settings
  • Improved support for Kerio Connect SMTP Server
  • Support for multiple ports for RDP and FTP protocols
  • RdpGuard now works on computers with FIPS compliance enabled
  • Various minor/internal improvements and bug-fixes

22 Jun, 2017 - RdpGuard Version 4.2.5 Released

More news..
RdpGuard 4.8.9 Free Trial

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