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FAQs

There is no one-size-fits-all scanning method. You should consider the following factors before deciding which scanning method is best for a given task:

  • The amount of time you have to scan, your level of experience, the size of the scanned document, and the type of content that you are scanning. Some people prefer to read through documents paragraph by paragraph while others prefer to scan them in their entirety. The latter is typically better for text that has a lot of information and less words per page.

Nmap has a number of scanning methods which are designed to find different types of services on the target system. These include TCP connect scan, SYN scan, UDP scan, and ICMP ping scan.

  • There are many tools that can be used for port scanning. Some of the most common tools are Nmap, Nessus, and OpenVAS.
  • Nmap: Nmap is an open source security scanner which is a command-line tool. It has a wide range of features including host discovery, service and operating system detection, version detection, and more.
  • Nessus: Nessus is a vulnerability scanner which detects vulnerabilities in your network infrastructure. The software scans for vulnerabilities such as missing patches or weak passwords.
  • OpenVAS: OpenVAS is an open source vulnerability assessment tool that scans for vulnerabilities in your computer systems or networks by using plugins that scan different parts of your system to find out if they are vulnerable to specific exploits or attacks.

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