客户端IP:
Request.ServerVariables ("REMOTE_ADDR")
其他:
REMOTE_ADDR The IP address of the remote host making the request.
REMOTE_HOST The name of the host making the request. If the server does not have this information, it will set REMOTE_ADDR and leave this empty.
REMOTE_USER Unmapped user-name string sent in by the User. This is the name that is really sent by the user as opposed to the ones that are modified by any authentication filter installed on the server.