← All Kali Issues
Nmap

Script scan taking forever

P Performance Medium

🔴 Error Message

--script=vuln scan extremely slow on target

📖 What This Means

Vulnerability scripts run many checks per port.

🔧 Step-by-Step Fix

  1. Target specific scripts: nmap --script=http-vuln* target
  2. Limit ports: -p 80,443
  3. Increase parallelism: --min-parallelism 10
  4. Use --script-timeout 30s