strobe(1) on Linux
The text c79e78af612c, as Debian 2.0 (Hamm) shipped it.
Super optimized TCP port surveyor
Flags it lists
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-A -
-M -
-P -
-S -
-V -
-a -
-b -
-d -
-e -
-f -
-g -
-i -
-l -
-m -
-n -
-o -
-p -
-q -
-s -
-t -
-v