📄Nmap - CheatSheet
Alpesh R Prajapati2 min read
✅ Basic Syntax
nmap [options] <target>
Examples of :
IP:
192.168.1.1Hostname:
example.comRange:
192.168.1.1-50Subnet:
192.168.1.0/24
🟢 Host Discovery
| Purpose | Command |
| Ping sweep (live hosts) | nmap -sn 192.168.1.0/24 |
| Disable DNS resolution | nmap -n 192.168.1.1 |
| Treat host as online | nmap -Pn 192.168.1.1 |
🚪 Port Scanning
| Purpose | Command |
| Default port scan | nmap 192.168.1.1 |
| Scan all ports | nmap -p- 192.168.1.1 |
| Scan specific ports | nmap -p 22,80,443 192.168.1.1 |
| Top 1000 ports | nmap --top-ports 1000 192.168.1.1 |
🔐 Scan Types
| Type | Command |
| TCP Connect | nmap -sT 192.168.1.1 |
| SYN (Stealth) | nmap -sS 192.168.1.1 |
| UDP | nmap -sU 192.168.1.1 |
| TCP + UDP Combo | nmap -sS -sU 192.168.1.1 |
🔍 Detection Features
| Purpose | Command |
| Service version detection | nmap -sV 192.168.1.1 |
| Operating system detection | nmap -O 192.168.1.1 |
| Aggressive (all-in-one) scan | nmap -A 192.168.1.1 |
🧠 NSE (Nmap Scripting Engine)
| Task | Command |
| Default scripts | nmap -sC 192.168.1.1 |
| Vulnerability scan | nmap --script vuln 192.168.1.1 |
| Specific script | nmap --script http-title 192.168.1.1 |
| Multiple scripts (pattern) | nmap --script "http*,ftp*" 192.168.1.1 |
🗂️ Output Formats
| Format | Command |
| Normal | nmap -oN output.txt 192.168.1.1 |
| XML | nmap -oX output.xml 192.168.1.1 |
| Grepable | nmap -oG output.gnmap 192.168.1.1 |
| All formats | nmap -oA fullscan 192.168.1.1 |
⚡ Performance & Timing
| Task | Command |
| Set timing (0 to 5) | nmap -T4 192.168.1.1 |
| Fast scan (top 100 ports) | nmap -F 192.168.1.1 |
| Set minimum packet rate | nmap --min-rate 100 |
🚫 Firewall Evasion
| Task | Command |
| Spoof MAC address | nmap --spoof-mac Apple 192.168.1.1 |
| Packet fragmentation | nmap -f 192.168.1.1 |
| Decoy scan | nmap -D RND:10 192.168.1.1 |
🎯 Target List & Exclusion
| Task | Command |
| Scan targets from file | nmap -iL targets.txt |
| Exclude specific IP | nmap 192.168.1.0/24 --exclude 192.168.1.1 |
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