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Incorrect scan time recorded when skipping a scan (Windows) #1725

dmiller-nmap opened this issue Sep 4, 2019 · 0 comments


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commented Sep 4, 2019

  1. Install Npcap without loopback support (or use WinPcap)
  2. nmap -p80 localhost -d


Starting Nmap 7.80 ( ) at 2019-09-04 15:26 Central Daylight Time
Skipping SYN Stealth Scan against localhost ( because Windows does not support scanning your own machine (localhost) this way.
Scanned at 1969-12-31 18:00:00 Central Standard Time for 0s

This is clearly a "null" timestamp, so we should be able to avoid outputting it in this case. It'd be nice to know that the scan was skipped and avoid all the "unknown" port results, too, but that's not really necessary in order to close this issue.

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