server { listen 8080; server_name var.tcp.kutian.edu; location / { return 200 "remote_addr: $remote_addr remote_port: $remote_port server_addr: $server_addr server_port: $server_port server_protocol: $server_protocol connection: $connection proxy_protocol_addr: $proxy_protocol_addr proxy_protocol_port: $proxy_protocol_port "; } }