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Cross-post:
--max-rtt-timeout 1250 --initial-rtt-timeout 500 --max-retries 6
I think there is a typo in the documentation, where it says "sets the maximum TCP scan delay to 10 milliseconds", it should be "sets the minimum TCP scan delay to 10 milliseconds"
In case that's true, add --scan_delay 10 to the above.
from: http://insecure.org/nmap/man/man-performance.html
Cross-post:
The equivalent command for "nmap -t4" is "nmap --max-rtt-timeout 1250 --initial-rtt-timeout 500 --max-retries 6".
Internally, the following variables are set:
o.timing_level = 4;
o.setMinRttTimeout(100);
o.setMaxRttTimeout(1250);
o.setInitialRttTimeout(500);
o.setMaxTCPScanDelay(10);
o.setMaxRetransmissions(6);
For more information have a look at source code at nmap.cc