Hi, you can use the InetAdress i think: http://java.sun.com/j2se/1.4.2/docs/api/java/net/InetAddress.html View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4167083#4167083 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4167083