Re: Scan 3 thousand host consume severals hour

["Ricardo A. Reis" <ricardo_bsd () yahoo com br>]

Hi Ron,


> TIMING AND PERFORMANCE:
>   -T[0-5]: Set timing template (higher is faster)
>   --min_hostgroup/max_hostgroup <msec>: Parallel host scan group sizes
>   --min_parallelism/max_parallelism <msec>: Probe parallelization
>   --min_rtt_timeout/max_rtt_timeout/initial_rtt_timeout <msec>: Specifies
>       probe round trip time.
>   --host_timeout <msec>: Give up on target after this long
>   --scan_delay/--max_scan_delay <msec>: Adjust delay between probes

> By tweaking those options, you can probably squeeze some extra 
> performance out of it.  Of course, you have to be careful; if you set it 
> to scan too fast, you might miss hosts and ports.  It might take some 
> experimentation to get it set up properly.


Thanks this great tips, 

      I searching in nmap manual for this, but a conclusion test   is
more slow (remember 3.000 hosts), i've a fear per timeout and problems
with old 2-Mb wireless latency. 


Thanks

Ricardo A. Reis
UNIFESP
Unix and Network Admin


        

        
                
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