NTLM sharepoint when use nginx reverse proxy

[sonpg]

i try to using diffirent port but sharepoint site get error:
ERR_EMPTY_RESPONSE


stream {
    upstream ecm {
		hash $remote_addr consistent;
		server ecm.test.vn:80 weight=5;
		server 10.68.8.182:80            max_fails=3 fail_timeout=30s;
		server ecm.test.vn:443 weight=5;
		server 10.68.8.182:444          max_fails=3 fail_timeout=30s;
		ntlm on;
            }

    server {
        listen 444 ssl;        #Line 27
        

        ssl_certificate      /etc/nginx/ssl/test/test.pem;
       ssl_certificate_key  /etc/nginx/ssl/test/test.key;
        ssl_session_cache shared:SSL:10m;

        ssl_session_timeout 5m;

        proxy_connect_timeout 1s;
        proxy_timeout 3s;
        proxy_pass ecm.test.vn;
    }
}

Posted at Nginx Forum: https://forum.nginx.org/read.php?2,278737,278914#msg-278914