On May 6, 2013, at 8:52 AM, Ralph Castain <rhc_at_[hidden]> wrote:
>> I'm starting to think that perhaps is a firewall issue? I don't have
>> root access in these machines but I'll try to investigate.
> Given that result, then yes - check iptables. I suspect they are running and TCP socket comm is being blocked.
A simple test is to try any socket-based server app between the two machines that opens a random listening socket. Try to telnet to it from the other machine. If it fails to connect, then you likely have a firewalling issue.
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