SterJo NetStalker is a freeware portable Windows application which can detect unauthorized network connections to your computer. Each time a new connection is detected, the user is alerted and given the opportunity to inspect the connection.
NetStalker is a pretty powerful application which really does keep an eye on what connections are being made and which program is attempting to communicate online.
If you ever had suspicions that you have a program installed on your system that "calls home", NetStalker is the perfect application to figure out what is going on and when.
SterJo NetStalker is licensed as freeware for the Windows (32-bit and 64-bit) operating system / platform from firewalls without restrictions. SterJo NetStalker 1.3 is available to all software users as a free download (Freeware).
Compatibility with this connection blocker software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup. A separate x64 version may be available from SterJo Software.
We have tested SterJo NetStalker 1.3 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.