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Network Security Pen-Test
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Nmap scanning speed

Subject: Nmap scanning speed
Date: 28 Apr 2006 20:10:29 -0000
Hi,

We have been asked to scan a class b network for port range 1 - 1024 every 
month. 
The network is across 4 hops of T1 links. icmp is filtered at the edge router 
and hence prevent us form using icmp to detect live systems. 

does anyone attempted a scan on such a large scane and can provide us with 
information regarding the time nmap could take to scan such an environmen and 
what should be the ideal settings?

Appreciate any response to this.

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