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protection from port scanning ?

Hello Experts ,

as you know the port scanning such as nmap , imap and netcat could used to be scan the ports and states for many different methods ,

Do you know how can i protect my network or server from the port scanning ?

as i know the firewalls can be do this , but there is some techineq via nmap could pass from them ..

what do you suggest in this case ?
CFIL
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Top Expert 2008
Commented:
YOu need to have a look at snort and portsentry

sourceforge.net/projects/sentrytools
How to stop crackers with PortSentry @ LINUX.SYS-CON.COM
linux.sys-con.com/read/32843.htm

Snort - the de facto standard for intrusion detection/prevention
www.snort.org

Commented:
The best option is a hardware firewall. On top of that, IDS solutions like Snort that was previously mentioned, are a great way to defend whatever ports you must leave open.

Author

Commented:
thank you Mr shakoush20014'CH4
you comment was what i am looking for ,
CFIL

Author

Commented:
thank you all for your comments .

CFIL

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