nginx owncloud proxy

upstream owncloud {
    server 10.0.3.IP;
}

server {
    listen 80;
    server_name owncloud.TLD;

    add_header Strict-Transport-Security max-age=31536000;
#    ssl_session_timeout  5m;
    include snippets/letsencrypt-acme-challenge.conf;
 

    location / {
        proxy_pass http://owncloud;
        include proxy_params;

#        limit_except GET HEAD POST PROPFIND DELETE { deny all; }

        proxy_ignore_client_abort on;
        client_max_body_size 0;

        proxy_connect_timeout  3600s;
        proxy_read_timeout  3600s;
        proxy_send_timeout  3600s;
        send_timeout  3600s;
    }
}