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Clarification - firewall

 
Swamy Kumar
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Are firewalls usually opened to accept RMI requests to speed up processing from thick client application ?
 
Marco Ehrentreich
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Hi Swamy,

firewalls usually should never be opened for services you don't use

In contrast to ports like TCP port 80 for HTTP it's very unlikely that you find a firewall which is opened for incoming RMI connections by default. Furthermore you're of course free to choose any port for it if you have administration privileges. Perhaps you'll even need two ports for an RMI application because there are the RMI connections themselves and connections for the RMI lookup like rmiregistry.

Marco
 
Deepak Bala
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In most places you have to raise a request to the network admin to open a firewall port. Depending on the leniency of your security policy your request may be accepted or denied. Make suitable assumptions and ensure that your design aligns with those assumptions
 
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