linux box disallow incoming udp traffic ??

M E Fieu sibu168 at yahoo.com
Mon Aug 15 18:29:57 UTC 2005


you are right.  It works. I used nmap -sU 192.168.1.1 to scan it just take too long time and I
thought it doesn't work.  I used nmap -sU -p 1-1024 and the result came out after some time

--- Mike Klinke <lsomike at futzin.com> wrote:

> On Monday 15 August 2005 04:16, M E Fieu wrote:
> 
> > May I know why nmap -sU can't scan another linux PC ??
> 
> It works for me here on an FC3 box.  Did you see the caveats in the 
> man page for udp scans?
> 
> Regards, Mike Klinke
> 
> nmap -sU -p 1-125 192.168.1.1
> 
> Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2005-08-15 
> 08:59 CDT
> Interesting ports on 192.168.3.1:
> (The 123 ports scanned but not shown below are in state: closed)
> PORT    STATE         SERVICE
> 53/udp  open|filtered domain
> 123/udp open|filtered ntp
> MAC Address: 00:60:97:71:2C:5C (3com)
> 
> Nmap run completed -- 1 IP address (1 host up) scanned in 123.185 
> seconds
> 
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