#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location __PATH__/ {

  proxy_pass http://127.0.0.1:__PORT__;
  proxy_set_header Connection "";
  proxy_set_header Host $host;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_pass_header X-Transmission-Session-Id;
}