NMAP and ZENMAP are they ok to use?

are these safe to use ? do they contain any spyware or anything?

are they safe to download , is there any reason I should not use this tool to scan open ports in  my network ?

thanks
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NAMEWITHELD12Asked:
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JohnBusiness Consultant (Owner)Commented:
I have not used zenmap but I have and have used nmap. Get it from nmap.org and it is perfectly safe
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JohnBusiness Consultant (Owner)Commented:
The answer to your second question is a bit trickier. If you go scanning things that are not yours, your ISP may take a dim view. So know what you are scanning.
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NAMEWITHELD12Author Commented:
thanks , upon reading more about this I  will be careful who and what I scan

thanks!!!!
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JohnBusiness Consultant (Owner)Commented:
@NAMEWITHELD12  - You are very welcome and I was happy to help.
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