Hi everyone,

I'm currently running a JBoss 4.0.3 server behind a firewall. The firewall is 
configured to allow all the ports used by JBoss 4.0.3 according to this article 
as below:

http://docs.jboss.org/jbossas/jboss4guide/r4/html/ch8.chapter.html#d0e21126

I'm also using all the default ports such as 8080 for Web, 1099 for JNP service 
and more. 

For lookup, I use the following as PROVIDER_URL:

jnp://xxx.xxx.xxx.xxx:1099

The IP (xxx.xxx.xxx.xxx) is not the issue in this case as I am sure that the 
client is able to connect to the JBoss Server at this IP.

The problem is whenever I invoke RMI, i can see the client is communicating 
with the JBoss Server at an anonymous port such as 30599 or any ports. There 
are others connection on port 1098, 4444 and 8093 as well but these connections 
do not face any problem as they are allowed by the firewall. However, the 
connection on anonymous port would be a BIG PROBLEM because I'm not be able to 
configure my firewall to allow this traffic on this anonymous port since the 
anonymous port keeps on changing whenever the JBoss Server is restarted. 

Anyone has any idea about this? I've spent weeks on this but I don't really see 
a solution yet.

Thanks in advance.

Best regards,
William

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