Chapter 7, Problem 16RQ

Explanation of Solution

Vulnerability scanner:

• Vulnerability scanner is a software program or network appliance that is used to scan the wide range of address present in the network along with their port numbers to avail open services.
• A form of software application that is designed to validate and monitor the network ports that is available open for different services.
• Vulnerability scanner is of two types and they are listed below:
  • Active vulnerability scanner.
  • Passive vulnerability scanner.
• They are used in identifying and detect the vulnerabilities present in the network.
• It is used in scanning and obtaining the security holes that are present in operating system, network that is open with configuration problem and also the username and password that are exposed...