[H-GEN] nmap UDP scanning

Robert Brockway robert at timetraveller.org
Fri Dec 20 21:03:24 EST 2002


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On 21 Dec 2002, Hilton Travis wrote:

> Has anyone else noticed that using nmap to scan a single UDP port on any
> system will result in the following report:
>
> [root at sirlancelot /tmp]# nmap -sU -p 10000 -T insane 192.0.2.1
>
> Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
> Interesting ports on (192.168.69.1):
> Port       State       Service
> 23/udp     open        unknown
>
> Nmap run completed -- 1 IP address (1 host up) scanned in 1 second

Using nmap 2.54BETA31 I'm getting reports of closed using the command line
you mention above.  The hosts I tried are on my lan, and therefore no
firewall is between them and I.

> Does anyone have any other way to scan a target's UDP ports and get back
> a report that is valid?

Use another version of nmap? :)

Cheers,
	-Rob

-- Robert Brockway B.Sc. email: robert at timetraveller.org  ICQ: 104781119
   Linux counter project ID #16440 (http://counter.li.org)
   "The earth is but one country and mankind its citizens" -Baha'u'llah


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