[no subject]

[martino.gabriele () email it]

Hi!

Im a student and im doing a work with Nmap.
im analyzing idle_scan.cc and i have a question for you.
I dont understand well the sense of tree scanning 

while(portidx < numports) {
    portsleft = numports - portidx;
    /* current_groupsz is doubled below because idle_subscan cuts in half */
    groupsz = MIN(portsleft, (int) (proxy.current_groupsz * 2));
    idle_treescan(&proxy, target, portarray + portidx, groupsz, -1);
    portidx += groupsz;
}

Please help me.

 
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