Quitar UPnP

[DonPeter]

Te dejo los puertos que usa qnap:

FTP - 21 by default and configurable.
Passive FTP port - 55536 ~ 56559 by default and configurable
SSH - 22 by default and configurable.
SMTP - 25 by default and configurable.
Web Server/HTTP - 80; HTTPS - 8081 by default and configurable.
Netbios/SAMBA - 137, 138, 139, 445
SSL/HTTPS - 443 by defualt and configurable
AFP - 548
Rsync - 873 by default and configurable.
RTRR - 8899 by default and configurable
MySQL - 3306 by defualt and configurable
System management, Web File Manager, Multimedia Station, Download Station, Surveillance Station
8080 by default and configurable.
Twonkymedia - 9000
Telnet - 13131 by default and configurable
BitTorrent - 6881~6999 by default and configurable.
Syslog - 514 by defualt and configurable
SNMP - 161 by default and configurable
TFTP - 69 by default and configurable
PPTP - 1723
OpenVPN - 1194 by defualt and configurable
RADIAUS  - monitors UDP ports 1645, 1812 (for RADIUS Authentication) and 1646, 1813 (for RADIUS Accounting) for RADIUS requests.
LDAP Server - 389
NFS - 2049, 111 and dynamic ports

Saludos!