Test UDP Ports

[Soren Hansen]

On Tue, Feb 19, 2008 at 02:23:19PM +0100, ml at bortal.de wrote:
> in order to do some firewall testing i would like to simulate services
> (loads of ports).  So far it works well with TCP using netcat, nmap
> and some bash script.  It works like a charm.
> 
> I ran into problems doing the same with UDP. As soon as i fire up my
> nmap UDP scan my netcat dies and as a result i get a closed port.

Which netcat are you using? I.e. what is the output of this command:

	nc -h 2>&1 | head -1

-- 
Soren Hansen
Virtualisation specialist
Ubuntu Server Team
http://www.ubuntu.com/
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