[jboss-jira] [JBoss JIRA] (JGRP-1441) Add external_addr for NATs

[Bela Ban (JIRA)]

Bela Ban created JGRP-1441:
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             Summary: Add external_addr for NATs
                 Key: JGRP-1441
                 URL: https://issues.jboss.org/browse/JGRP-1441
             Project: JGroups
          Issue Type: Feature Request
            Reporter: Bela Ban
            Assignee: Bela Ban
            Priority: Minor
             Fix For: 3.0.9, 3.1


When NATting between an internal and external network, we can use external_addr, e.g.

<TCP bind_addr="127.0.4.4" bind_port="5000" external_addr="10.2.3.4".../>

This means that the looopback address 127.0.4.4:5000 is going to be mapped to 10.2.3.4:5000.

However, if the internal port is different from the external port, we don't support that.

SOLUTION: add external_port, e.g.

<TCP bind_addr="127.0.4.4" bind_port="5000" external_addr="10.2.3.4" external_port="6000" .../>

Now we're mapping internal port 5000 to external port 6000.

This needs to be done in TP, FD_SOCK, STATE_SOCK (check if there are more places where we create server sockets)

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