My UFW is configured as :

To                         Action      From
--                         ------      ----
22/tcp                     ALLOW       Anywhere
80/tcp                     ALLOW       Anywhere
443/tcp                    ALLOW       Anywhere
21/tcp                     ALLOW       Anywhere
20,21,990/tcp              ALLOW       Anywhere
30000:31000/tcp            ALLOW       Anywhere
3389                       ALLOW       149.255.38.47
3389                       ALLOW       149.255.38.0/24
3389                       ALLOW       Anywhere
22/tcp (v6)                ALLOW       Anywhere (v6)
80/tcp (v6)                ALLOW       Anywhere (v6)
443/tcp (v6)               ALLOW       Anywhere (v6)
21/tcp (v6)                ALLOW       Anywhere (v6)
20,21,990/tcp (v6)         ALLOW       Anywhere (v6)
30000:31000/tcp (v6)       ALLOW       Anywhere (v6)
3389 (v6)                  ALLOW       Anywhere (v6)

Am i missing something, help would be very appreciated. Thanks in advance.