Scan 3 thousand host consume severals hour

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

Hi,


I work on the UNIFESP a large Brazilian University with +/- 
3000 windows workstations, now  i  create a routine capable to  scan  
for worms  and  softwares listening, in my test the scan consumo +/- 49 
hours, because many workstations with WinXP use firewall.
         The question is with is possible reduce the time ?
 
      i use this line on FreeBSD Monitor,
  
#nmap -v -sT -sU -p 1-65535 -n  172.16.0.0/16 


Thanks

Ricardo A. Reis
UNIFESP
Unix and Network Admin




        

        
                
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