When I use the nginx upstream and proxy_pass to reaserve proxxy the request. the configuration is: upstream w3new_cls { server szxap205-in.huawei.com:9090; server szxap206-in.huawei.com:9090; } server { listen 80; server_name w3.huawei.com; location /NetWeb/ { proxy_pass http://w3new_cls/NetWeb/; proxy_redirect off; proxy_set_header Host $host:80; proxy_set_header X-Rby jiangwen_sean - New Member Introductions