I have a client that needs a vulnerability scan done right away due to an audit. Is there a good, free software that I can download and run from outside the network to see what is opened.
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Great links. I should have been clearer that I am not looking for internal scans, only scanning from outside the network to see what is open and unsecured though the Firewall.
Nap is what you want as well as try Shieldsup online from FTC.com.
Thanks for the grade. Good luck.