hi, all: forgive my poor expression in english. :( server A as the proxy server, server B as the remote server validating the user in the access-request proxying by A. The exact thing that happens for A is this: 1. receive the access-request, check the user type, if match special type, proxy the request to B for special validation. if not match, local normal validation. 2. get the response from B, if access-accept, process the succeeding validation. and then respond with access-accept or access-reject. in general: can i: 1. proxy the access-request by user type? 2. perform the succeeding validation after receiving the response from the remote server B? and how can i do that? thanks! -------------- Leo Lei 2006-11-14