ProcNetBlocker

ProcNetBlocker offers real-time network blocking for processes and executables directly from the command line. You can dynamically prevent selected applications from sending or receiving data over the network without rebooting or interrupting other services. This granular approach helps enhance security by isolating untrusted processes, supports privacy by stopping unwanted background communications, and aids in development by simulating offline environments. Simple to use and highly effective, it puts immediate, precise network control at your fingertips for proactive system management.