Understanding Nmap Script Engine and its customization
The Nmap Script Engine is used to run custom scripts written by users to automate network-level actions. Typically, Nmap scripts end with a .nse
extension. These scripts are used to perform the following tasks:
- Host and port discovery: The whole purpose of Nmap being so widely used is to perform simple tasks to check whether the remote host is live or non-live, along with the current status of the ports.
- Version detection: Nmap has a database of a variety of application and service signatures which are checked against the responses received from the ports to identify the service running on the port and sometimes the specific version as well.
- Affected vulnerabilities: Nmap Script Engine allows users to determine whether a particular port/service is vulnerable to a specific disclosed vulnerability. It depends on the script written by the user to query data from the service running and sends custom packets based on a response to determine...