You can use an active IDS to stop the nmap. It is easy to deploy, take a
look at Snort. www.snort.org
On Sat, Nov 29, 2008 at 4:14 PM, Barry Brimer <firstname.lastname@example.org> wrote:
> can we stop scanning from nmap command?
>> anybody i can`t see our open ports or can`t scan from
>> nmap command?
>> can we stop nmap command from iptables?
> You need something that will be reactive to a scan. I haven't used it in
> ages, but you might try portsentry <
> http://sourceforge.net/projects/sentrytools>. Besides that .. you need to
> have something reacts to receiving certain amounts of network traffic, and
> makes a blocking decision based on that.
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Marcos Aurelio Rodrigues
CCNA, MCSO, Security+
Mirabilia laudo semprer, Dei
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