Java EE (Java Enterprise Edition) General Discussion

hi guys,
I have to connec to sever where , from this place i need to contact a remote database , the databse is behind a firewall , they database in their intranet ,they have give me a valid ip , they have a conection between the valid ip and the intranet system , they give me access to the port in the fire wall , i asked for the port 3306 (mysql default ) port , and tried connecting it but i get exception, should i need to get the 80 port for connection??? please help

java.sql.SQLException: Communication link failure: java.net.SocketException, underlying cause: Connection reset by peer: Connection reset by peer ** BEGIN NESTED EXCEPTION ** java.net.SocketException MESSAGE: Connection reset by peer: Connection reset by peer STACKTRACE: java.net.SocketException: Connection reset by peer: Connection reset by peer at java.net.SocketInputStream.socketRead(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:86) at java.io.BufferedInputStream.fill(BufferedInputStream.java:186) at java.io.BufferedInputStream.read1(BufferedInputStream.java:225) at java.io.BufferedInputStream.read(BufferedInputStream.java:280) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1391) at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:1413) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:625) at com.mysql.jdbc.Connection.createNewIO(Connection.java:1782) at com.mysql.jdbc.Connection.(Connection.java:450) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411) at java.sql.DriverManager.getConnection(DriverManager.java:517) at java.sql.DriverManager.getConnection(DriverManager.java:199) at org.apache.jsp.store$jsp._jspService(store$jsp.java:107) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java: 201) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFil terChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain .java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java: 190) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.jav a:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:17 4) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:458) at org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551) at java.lang.Thread.run(Thread.java:484) ** END NESTED EXCEPTION **