[Port Checker] UDP

Stephane Bortzmeyer bortzmeyer at nic.fr
Wed Jan 28 10:00:28 UTC 2004

On Wed, Jan 28, 2004 at 10:43:11AM +0100,
 Jérémy Mauro <Jeremy.Mauro at wanadooportails.com> wrote 
 a message of 18 lines which said:

> Does anyone know a good port checker UDP and TCP because I need to =
> monitor the DNS UDP port, any idea would be appreciate.

Something that checks that a name server does indeed listen on the UDP
port and does reply?

For periodic monitoring, I use and like and dns.monitor from the mon
scheduler <URL:http://www.kernel.org/software/mon/>. If you want more
detailed tests, Zonecheck <URL:http://www.zonecheck.fr/> is your

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