What you want to do turn on the following parameters in remoting-bisocket-service.xml: | <!-- | <attribute name="numberOfCallRetries" isParam="true">5</attribute> | <attribute name="pingFrequency" isParam="true">30000</attribute> | <attribute name="pingWindowFactor" isParam="true">71582</attribute> | <attribute name="generalizeSocketException" isParam="true">true</attribute> | --> | (taken from the recent JBossMessaging release 1.4.0.SP3_CP09), upgrade to Remoting release 2.2.3.SP1 in which the "generalizeSocketException" parameter is introduced, and (possibly - I'm not sure if it's necessary) upgrade JBossMessaging. That should work around the firewall killing idle connections. See JIRA issue JBMESSAGING-1733 "Update settings in remoting-bisocket-service.xml" at https://jira.jboss.org/jira/browse/JBMESSAGING-1733. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4258019#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...