nmap -F 192.168.1.xx                // Fast scan
nmap -v 192.168.1.xx                // Scan with verbose mode on
nmap -vv 192.168.1.xx               // Scan with very verbose mode on

nmap 192.168.1.xx -p 21,22,23       // Specific port scan
nmap 192.168.1.xx -sU -p 53         // Scan UDP port 53
nmap 192.168.1.xx --top-ports X     // Scan top X port

nmap -A 192.168.1.xx                // OS & Software version
nmap -O --osscan-guess 192.168.1.xx // OS Guess

nmap -PN 192.168.1.xx               // Scan a host when protected by the firewall
nmap -PA 192.168.1.xx               // Scan a host using TCP ACK
nmap -PS 192.168.1.xx               // Scan a host using TCP SYN
nmap -PO 192.168.1.xx               // Scan a host using IP protocol ping
nmap -PU 192.168.1.xx               // Scan a host using UDP ping
 
nmap -6 ::1                         // Scan a IPv6 host
nmap -sU 192.168.1.xx               // Scan UDP ports
nmap -sV 192.168.1.xx               // Detect softwares & versions on each port

nmap -sP 192.168.1.0/24             // Scanner un réseau pour voir quels hosts répondent au ping
nmap --spoof-mac <MAC-ADDRESS> 192.168.1.xx // Spoof de mac-address

Montre tout les postes actifs sur le LAN, tout du moins si ils ont un nom d'hôte sur l'IP.

allDevicesLAN.sh

#!/bin/bash
 
    NETWORK="192.168.0.0/24"
    #Output formatting
    BOLD="\033[1m"
    WHITE_ON_GREY="\033[100;97m"
    RESET="\033[0m"
 
    sudo nmap -sn -PO "$NETWORK" | grep -oE "[a-zA-Z0-9\.\-]+\s\(([0-9]{1,3}\.){3}[0-9]{1,3}\)" | sed 's/[)(]//g' | awk -v bold="$BOLD" -v fg="$WHITE_ON_GREY" -v reset="$RESET" -f <(cat - <<-'EOD'
BEGIN{
 OFS="\t";
 }
{ print $2,$1; }
END{
 print bold fg NR" Hosts are up" reset;
 }
EOD
)