December 25, 2025

ProcNetBlocker: Command-line tool, making integration into scripts and batch files simple and fast [FREEWARE]

ProcNetBlocker (Process Network Blocker) is a lightweight Windows command-line utility designed for system administrators, developers, and power users who need granular, real-time control over application network access. Stop unauthorized communication, sandbox suspicious programs, or manage bandwidth—all with a simple command.

Features

  • Fine-Grained Network Control
    ProcNetBlocker provides essential tools for managing your system's network interactions at the deepest level: the process.
  • Block Network Access by Process ID
    Instantly deny all incoming and outgoing network connectivity for any specified process (by PID).
  • Block Network Access by EXE Path
    Disable the network access for any specified executable programs (by EXE).
  • Unblock Network Access
    Effortlessly restore full network privileges to a process or application that was previously blocked.
  • Status Check
  • Quickly view the current network connection status for a process or application, confirming its block/unblock state.
  • Standalone EXE
  • Completely portable and lightweight. No installation or complex dependencies - just download and run.
  • 100% Free
  • ProcNetBlocker is a command line freeware tool, you can use it for free. 

More info and download

ProcNetBlocker: Command-line tool, making integration into scripts and batch files simple and fast


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