a) The only way to know is by checking the log files or more easily by watching the message counter in the network tab or the statistics tab.
b) By default Phex only writes error to log files. To get more extended logging working check out: http://www.phex.org/wiki/index.php/Logging_API
c) Phex sends pongs back through the connection it receives the pong from. On an incoming connection it is the same port.

Check out MessageDispatcher.handlePing() and MessageDispatcher.respondToPing() to get more details or to debug...

Gregor

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ok, i wlll check the log as mentioned by you. i think in that case if i enable for apache log, i will need a apache log viewer.

regarding the messagedis[patch.handleping and ponghandle, do i need to work out in the source code and modify it to handle it.

for example, i would open a file stream and write there from where the ping has come in.
i checked in the network statistics tab, it say about the pong and the pings but then it doesn't say from where the ping came from and where to pong was sent to.

anyways thanks, got some clue to move forward.