NMAP performance patch (ICMP Unreachable rate limited)

["Alec H. Peterson" <ahp () hilander com>]

Greetings,

In April somebody posted a patch that really helps my performance when 
scanning hosts that are protected by firewalls that give rate limited ICMP 
destination unreachable messages for firewall violations.  I applied this 
patch to 3.81, but it makes me wonder why it has not been accepted into the 
actual distribution.  What are the consequences of using this patch?

For reference, I found the patch at:

<http://xtrmntr.org/ORBman/tmp/nmap/nmap-3.78-defeat_ICMP_ratelimit.patch>

Thanks!

Alec



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