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Applied Network Security
book

Applied Network Security

by Warun Levesque, Arthur Salmon, Michael McLafferty
April 2017
Intermediate to advanced
350 pages
8h 35m
English
Packt Publishing
Content preview from Applied Network Security

Scan using TCP SYN scan (default)

This command determines whether the port is listening. Using this command is a technique called half-open scanning. It is called half-open scanning because you don't establish a full TCP connection. Instead, you only send a SYN packet and wait for the response. If you receive a SYN/ACK response, that means the port is listening:

nmap -sS 192.168.1.1
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Publisher Resources

ISBN: 9781786466273