"MyNameIsDaniel" wrote : | Just now I tried to restart my firewall with the exception of 1099 (TCP) port. After restarting the firewall on the server, the Swing on client computer could no longer call the remote method (I didn't see any results). But no java exception reported. Do I need to set other ports free? | | You will have to unblock the ports which JBoss uses. See this for details http://wiki.jboss.org/wiki/UsingJBossBehindAFirewall View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4179378#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...