← All Kali Issues
Tcpflow

Cannot capture

P Permission Medium

🔴 Error Message

tcpflow permission denied on interface

📖 What This Means

Need root for packet capture.

🔧 Step-by-Step Fix

  1. Use sudo: sudo tcpflow -i eth0
  2. Set capabilities on binary
  3. Save to file: sudo tcpflow -i eth0 -o output_dir
📚 Learn Kali Linux — Free Course
Found this useful? Share it.
Keep going
Free coursesStructured, day-by-day tracks Free hacking labsPractice in your browser, no setup Attack SimulatorHands-on challenges in your browser
Make it count. Join free to earn XP for what you read and solve, keep a streak, and track your progress.
Join free