[jboss-user] [Installation, Configuration & DEPLOYMENT] - JBoss Ports and what's behind them

NameZero912 do-not-reply at jboss.com
Tue Mar 18 06:40:10 EDT 2008

I am using the JBoss 4.2.2 server (atm as my development environment) for a project which was, before, based on TomCat only. However, the application in development now needs additional features (to be precise: EJB3).

I am interested in the port list (because I need to know which may be firewalled and which not). I examined the current server configuration with TCPView (I'm on Windows) and came to this result:

  | 1098 	 JNDI
  | 1099 	JNDI RMI
  | 3873 	Default EJB3Connector
  | 4444 	JRMP-Invoker
  | 4445 	Pooled Invoker
  | 4446 	Connector (Core Component)
  | 8009 	Coyote AJP Connector
  | 8080 	Webserver 
  | 8083 	Webservice
  | 8093 	JBossMQ UIL Service 
  | 3 x anon 	Various anonymous TCP ports

Anyway, I am interested in this: which ports are really in use when only TomCat is used as well as EJBs (which are accessed from the client using JNDI lookup). From what I can see I would guess these ones are really used:
- 1098 + 1099
- 3873
- 4444 (really used when using remote ebjs with a client?)
- 4445 (really used when using remote ebjs with a client?)
- 8080

I am absolutely not sure about these (and whether I could firewall them):
- 4446 (can it be blocked when not using connectors to integrate EISs?)
- 8009 (can it be blocked when not using connectors to integrate EISs?)
- 8083 (can it be blocked when not using WebService without breaking EJB3 and TomCat?)

Of course I was able to figure out roughly what each of the services behind the ports do, but still, I'm not 100% sure whether I should/could block them or not. What I am looking for is a conservative firewall-setup where only the really required ports are opened.

Kind regards and thank you for your help,

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