Port Scanning with Netcat
The following nc command is used to perform a TCP port scan on the specified target using the nc (netcat) tool in Kali Linux. When you run this command, nc will attempt to connect to each TCP port in the range 1-1024 on the specified target. If a port is open and accepting connections, nc will report it as “open”. If the port is closed or filtered, it will report it as “closed”.
Command :
nc -nvz <target> 1-1024
Output :
15 Most Useful Host Scanning Commands – Kali Linux
Scanning and identifying live hosts on a network is one of the crucial activities for an ethical hacker or expert. One of the powerful tools in Kali Linux, a popular penetration testing distribution, is Nmap which has a variety of host scanning techniques. To gather valuable information about targets, detect vulnerabilities, and ultimately secure systems and networks, one needs these scanning commands. Mastering these commands would not only provide beginners with basic knowledge for doing their network reconnaissance effectively but would also help professionals conduct better security assessments on networks.