November 2019
Beginner
550 pages
13h 14m
English
Content preview from Learn Kali Linux 2019
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Performing a stealth scan using Nmap
By default, Nmap establishes a TCP three-way handshake on any open TCP ports found. After the handshake has been established, the messages are exchanged. The following snippet displays the handshake process, where Host A wants to communicate with Host B:
TCP three-way handshake
During a penetration test, we need to remain as stealthy as possible on the network. This creates the effect of an actual hacker attempting to compromise the system/network without being caught by the organization's security controls and systems. By establishing a TCP three-way handshake with our target devices, we are making ourselves ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.