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openjms behind a gnatbox firewall

Posted on 2004-09-08
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Last Modified: 2010-03-31
I can not figure out what ports to open up to allow openjms to communicate using the RMI protocol through a gnatbox ... Any body?
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Question by:akruger
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Expert Comment

by:girionis
ID: 12005100
The defautl port is 3030 (from: http://openjms.sourceforge.net/config/reference.html)
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Expert Comment

by:girionis
ID: 12005102
If you also ned to open an RMI port, it defaults to 1099.
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by:akruger
ID: 12009780
Right ... I have opened up port 1099 tcp through the firewall because I am using RMI ...
Inside the firewall it works like a charm .... so openjms is set up correctly

I open up a NAT to the host running openjms and then open up a filter to the host using TCP.

When I watch the logs it looks like a connection is made ... but no data ever flows ... so do I have to open up UDP/ICMP or something else to get RMI to work?

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by:girionis
ID: 12010793
>  so do I have to open up UDP/ICMP or something else to get RMI to work?

You shouldn't, opening up port 1099 should be enough. Have you checked if RMI is using the default port, you might have configured it to use some other port.
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Author Comment

by:akruger
ID: 12013013
I have kept digging and RMI uses a random port ... not nice in a firewall.  Will have to use TCP ...
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Accepted Solution

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girionis earned 1000 total points
ID: 12014007
This shouldn't happen. How do you start the rmiregistry. You can assign a port while you start it:

rmiregistry 1099
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