ProcNetBlocker 1.0

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:
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.

ProcNetBlocker Usage:

procnetblocker [-h] [--block PID_OR_EXE] [--unblock PID_OR_EXE]
[--status PID_OR_EXE] [--exe] [-v]

optional arguments:
-h, --help show this help message and exit
--block PID_OR_EXE Block network access for specified PID or EXE file
--unblock PID_OR_EXE Unblock network access for specified PID or EXE file
--status PID_OR_EXE Check network status for specified PID or EXE file
--exe Explicitly specify target as EXE file
-v, --verbose Show verbose output

Examples:

# Block/Unblock PID Network Access
procnetblocker.exe --block 1234 # Block PID 1234
procnetblocker.exe --unblock 1234 # Unblock PID 1234
procnetblocker.exe --status 1234 # Check PID 1234