scan-delay enforces serialization - why?

[Martin Mačok <martin.macok () underground cz>]

Hi,
in some scenarios, it makes sense to define scan-delay but allow
parallelization of probes (actually, when Nmap eases off due to lost
packets, it does so automagically), but it is currently not possible
to explicitely set this on cmdline:

% nmap --scan-delay=10 --min-parallelism=2 127.0.0.1                                   
--min-parallelism=2 must be less than or equal to --max-parallelism=1
QUITTING!

My question is why max-parallelism=1 is enforced when scan-delay is
explicitely set? Either the implementation should be fixed or the
manpage should clearly mention it.

Thank you!

Martin

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