FTP connection refused during website migration to o2switch

Website URL

https://biguine-bd.kesug.com/

Error Message

Hello,

I am currently migrating my website from InfinityFree to o2switch.

The o2switch support team is experiencing intermittent FTP connection issues. They can sometimes connect, but the connection fails while browsing the files.

Here is the exact error message they provided:

"Connection seems random and only works occasionally. The connection fails while browsing files. FileZilla reports the following error: ECONNREFUSED - Connection refused by server. We also tried connecting directly via IP address: 185.27.134.11, without success.

This may be caused by a firewall block or another restriction."

Could you please check whether there is any firewall rule, IP restriction, or other limitation preventing o2switch from accessing my FTP account for the migration?

Thank you very much for your assistance.

Best regards