Check the port status


https://www.grc.com/x/ne.dll?rh1dkyd2

  1. Go to www.grc.com/default.htm
  2. Scroll down & click ShieldsUP!
  3. Click Proceed
  4. In the center box on that page, paste this string:
  5. Click User Specified Custom Port Probe

image

This scan will come back with a list of ports you entered and show the status.

Sample scan of commonly used ports in an SBS environment.

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