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You Should Know:
Remote Desktop Protocol (RDP) is a powerful tool for accessing systems remotely, but it often comes with security risks if not configured properly. Below are some practical commands and tips to secure your RDP setup on both Windows and Linux systems.
Windows Commands:
1. Enable Network Level Authentication (NLA):
Set-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp' -Name "UserAuthentication" -Value 1
This ensures that users must authenticate before establishing an RDP session.
2. Change Default RDP Port:
Set-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp' -Name "PortNumber" -Value 3390
Changing the default port (3389) can help evade automated attacks.
3. Restrict RDP Access to Specific IPs:
New-NetFirewallRule -DisplayName "Allow RDP from Specific IP" -Direction Inbound -LocalPort 3389 -Protocol TCP -Action Allow -RemoteAddress 192.168.1.100
Linux Commands (Using xRDP):
1. Install xRDP:
sudo apt-get install xrdp
2. Secure xRDP with SSL:
sudo nano /etc/xrdp/xrdp.ini
Add the following lines:
[Globals] security_layer=ssl
3. Restrict Access via Firewall:
sudo ufw allow from 192.168.1.100 to any port 3389
General Best Practices:
- Use strong passwords and enable multi-factor authentication (MFA).
- Regularly update your RDP client and server software.
- Monitor RDP logs for unauthorized access attempts.
What Undercode Say:
Remote Desktop is a double-edged sword. While it provides convenience, it can also be a gateway for attackers if not secured properly. Always follow best practices like enabling NLA, changing default ports, and restricting access to trusted IPs. For Linux users, xRDP is a great alternative, but ensure it’s configured securely with SSL and firewall rules. Regularly audit your RDP setup and keep your systems updated to stay ahead of potential threats.
For further reading on securing RDP, check out Microsoft’s official guide.
References:
Reported By: Chuckkeith Your – Hackers Feeds
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