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From Bryan <>
Subject TCP connection to broker from behind NAT
Date Thu, 03 Mar 2011 03:37:36 GMT
I have a fairly simple topology, where I have a client behind a NAT
connecting to a broker outside of the NAT, via a TCP connection. I do not
want to open or forward any ports in the NAT firewall. The client is both
sending and receiving messages (both a message producer and a consumer).

Can a client produce and consume messages over the single TCP connection to
the broker? Is there any circumstance where the broker will try to establish
a connection to the client (similar to FTP or RMI) when using a TCP
connection from the client? Does the broker machine only need to have the
single TCP port open?

I seem to be having connectivity issues implementing request-reply using
temp queues and correlation IDs, and I am hoping the broker isn't trying to
establish a connection with the client. Thanks in advance.

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