Since I want to use ajp13 and set up apache/tomcat on different machines. I did the following get mod_jk.so copied in my apache machine look at the mod_jk.conf-auto file. Is it true I shall (1)ftp mod_jk.conf-auto file from my tomcat machine to apache machine (2) modify all the "ajp12" to "ajp13" in mod_jk-auto (3) includ the mod_jk.conf-auto into httpd.conf (4) mod_jk.conf-auto is trying to load mod_jk.so so I shall modify the path a little bit, too. Is that all? I suspect it because the mod_jk.conf-auto file does not specify the IP address or machine name of my Tomcat machine. Please let me know what shall I do to set up Apache and Tomcat on "Different Machine". Second question : Is it right that I shall put Apache and Tomcat on different machine in order to set up the loading balance? Third question, if I set up the ajp13 connection between apache and Tomcat, how can I determine that it is working fine? I assume, I shall call some JSP or servlet on Tomcat. David. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com