aicloud problem

i know there have been a lot of issue and already solved. my ftp(21) and https(443) are block from the wan. i dont have the slightest idea how and why it could block. before i was running stock 270b and i could use aicloud from wan. now using rt-n66u 372.30_2 merlin build. anyone willing to help or pointing me to the right direction?

aidisk is set.
cloud disk is on
smart access is on
samba/cloud is shared without account
ftp is share without account

thanks for the help