Hi all :)

I have a port scanner project that i have been working on, but am
having issues with using the java.net datagram api's. I was wondering
if that was a way to check for an established UDP connection using
NetworkInfo API's. Before anyone states the obvious I am well aware
that UDP is connectionless. What i want to do is check to see if an
ICMP packet is sent back showing the port as closed. At the moment i
have created a datagram packet that when sent out to the target
system, creates a connection through netcat. I have tested this with
nmap, and need netcat running twice on the same port for it to pick it
up as filtered. I beleive i am halfway there, but have stumbled at the
last herdle.

Thanks in advance for any help.

Jon
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