Kali Linux Web Penetration Testing Cookbook - Second Edition

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Other useful parameters when using Nmap are as follows:

• -sT: By default, when it is run as a root user, Nmap uses a type of scan known as the SYN scan. Using this parameter, we force the scanner to perform a full connect scan. It is slower, and will leave a record in the server's logs, but it is less likely to be detected by an intrusion detection system or blocked by a firewall.
• -Pn: If we already know that the host is alive or is not responding to pings, we can use this parameter to tell Nmap to skip the ping test and scan all the specified targets, assuming they are up.
• -v: This is the verbose mode. Nmap will show more information about what it is doing and the responses it gets. This parameter can be used multiple times ...