dropbear(8) on Linux
The text 238ad128d15a, as Debian 5.0 (Lenny) shipped it.
lightweight SSH2 server
Flags it lists
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-E -
-F -
-K -
-P -
-W -
-a -
-b -
-d -
-g -
-i -
-j -
-k -
-m -
-p -
-r -
-s -
-w