Nmap - Cautionary Notes

Nmap is the most used port scanning tool on the Internet, and it is reasonable too as it is compelling. So before digging in deep, you should be known of some cautionary steps.

  • Unlike other tools, Nmap actually interacts with the target servers most of the time which can be a problem as this scan can be logged in their logs.
  • In some countries, basic network or even port scanning may be against their laws. So, you need to check the laws before scanning someone's network.
  • Nmap can perform more discovery techniques with scripts than just port scanning which could be considered Hacking or in simple words Trespassing.
  • Scripting could be illegal in some jurisdictions. Therefore, you might need to check that too based on your region.

Consider port scanning is analogous to visiting a bank before robbing it to see what sort of cameras, desks, and security officials it has. Well just visiting the bank and noticing things around could not be considered a crime but, if someone gets suspicious because of the way you are looking around then it could be a problem. 

We hope this helps. If any suggestions or doubts you can add a comment and we will reply as soon as possible.

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