Thanks for your reply The main purpose is load balancing. Before any thing I want to know about differences between mod_proxy and load balancing with UltraMonkey. Also I will be happy for giving more solution :) Thanks for more guidance -- N.Chavoshi --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx