![Securing Network Infrastructure](https://wfqqreader-1252317822.image.myqcloud.com/cover/804/36698804/b_36698804.jpg)
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How do it…
These are the steps:
- Open nmap in Command Prompt.
- Run the following syntax in the Command Prompt to perform a TCP SYN scan:
nmap –v –sS 192.168.75.137
![](https://epubservercos.yuewen.com/9DB435/19470380901501406/epubprivate/OEBPS/Images/b37cee37-1e84-4e96-ad93-5892e06904fc.png?sign=1734455414-ZhjmO2A8S6XHwMFGKq2mOJ7cucqOBPzH-0-e99cf846ab272b20c88ae057a49f318b)
- Run the following syntax in the Command Prompt to perform a TCP Connect scan:
nmap –v –sT 192.168.75.137
![](https://epubservercos.yuewen.com/9DB435/19470380901501406/epubprivate/OEBPS/Images/c91515f1-dfbf-4c3e-bc00-40ad551d9dd7.png?sign=1734455414-pruoberTbH2fx5mouNxLAJbEzpsIKN01-0-e5182f0b86fabc72be98cc7365eecfca)
- Run the following syntax in the Command Prompt to perform a TCP NULL scan:
nmap –v –sN 192.168.75.137
![](https://epubservercos.yuewen.com/9DB435/19470380901501406/epubprivate/OEBPS/Images/ededddd1-4dae-4fe5-9992-2cf546b49dd9.png?sign=1734455414-NVqZp7NHwFShjaC9MsgBshS3uoUrSw7Y-0-69e20fe873584a6bc9244f9f6b6bd411)