Scan the systems and websites using nmap
Nmap
Nmap is the network mapper tool widely used worldwide by penetration testers it is one of the best tool of the network field.
It is a cross platform tool can be installed on Windows, Linux, MacOs.
It's very easy to use nmap through command line
Basic Scanning Techniques
Scan a single target nmap [target]
• Scan multiple targets nmap [target1,target2,etc]
• Scan a list of targets nmap -iL [list.txt]
• Scan a range of hosts nmap [range of IP addresses]
• Scan an entire subnet nmap [IP address/cdir]
• Scan random hosts nmap -iR [number]
• Excluding targets from a scan nmap [targets] –exclude [targets]
• Excluding targets using a list nmap [targets] –excludefile [list.txt]
• Perform an aggressive scan nmap -A [target]
• Scan an IPv6 target nmap -6 [target]
Discovery Options
Perform a ping scan only nmap -sP [target]
Don’t ping nmap -PN [target]
TCP SYN Ping nmap -PS [target]
TCP ACK ping nmap -PA [target]
UDP ping nmap -PU [target]
SCTP Init Ping nmap -PY [target]
ICMP echo ping nmap -PE [target]
ICMP Timestamp ping nmap -PP [target]
ICMP address mask ping nmap -PM [target]
IP protocol ping nmap -PO [target]
ARP ping nmap -PR [target]
Traceroute nmap –traceroute [target]
Force reverse DNS resolution nmap -R [target]
Disable reverse DNS resolution nmap -n [target]
Alternative DNS lookup nmap –system-dns [target]
Manually specify DNS servers nmap –dns-servers [servers] [target]
Create a host list nmap -sL [targets]
Nmap in the movies
Matrix Reloaded
Ocean's 8
Snowden
Dredd
Elysium
Fantastic four
Who am I- No system is safe
Bourne Ultimatum
Die hard 4
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