RDMon

RDMon is a simple and very easy to handle piece of software whose main purpose is to assist you in setting up specific Firewall rules in order to block the access of certain IP addresses to your PC through Remote Desktop Protocol.

The utility does not require installation in order to function properly on your computer, so you can just run the executable and get started, but you do need to have RDP enabled.

Because it is a portable tool, you can easily take it with you wherever you go on a USB drive or other removable memory devices, running it on any machine you need, without it leaving a trace when removed.

After having configured your Firewall and the Remote Desktop Protocol, you can launch the application and it will automatically run minimized in the notification area, in order to not interfere with your regular activities.

Whenever you are alerted about at attack, you should open the main window of RDMon and click on the targeted IP address from the ‘Detected Attacks’ list, then press on ‘Add IP to Block List’. For the rule to be created and applied by your Firewall, you will need to restart it, which can also be done from the main window of this program, by pressing on the corresponding button.

As time goes by and your system becomes the target of multiple attacks, you will be able to continuously update the list of ‘Blocked IP Ranges’, so as to permanently prevent any future attempts from those addresses.

Overall, RDMon proves to be a useful and efficient application that you can resort to should you ever want to increase your level of protection, when using RDP to connect to your computer from afar.