What app is issuing ICMP

I am seeing a lot of ICMP traffic coming from a machine on our network and wondered if anyone knows of a utility that will tell me what application or possibly service is initiating it. Thanks, Rusty

you could just be seeing normal network traffic, (a ping) do you have a firewall or router in place?

Yes, the machine is sending out ICMP traffic even when no one is there. It is one particular machine generating the traffic, however, I don't know what application is doing it. Rusty

Try this app it will let you know whats opening ports (port explorer)

http://www.diamondcs.com.au/index.php?page=home

the reason i asked about firewall/router is so you could check the logs, but you know the traffic is originating from within your LAN?

at the computer in question:start>run>cmd at the DOS prompt type in netstat -a for all connections and listening ports

you might also download and install tcpview(free)with a nice GUI: http://sysinternals.com/Utilities/TcpView.html