Problem
Your FTP connection fails to connect and you receive a timeout error
Solution
Your connection may be getting blocked by your own or CPR’s firewall.
Your internal firewall may be blocking your connection
verify ports
Your IP address may be blocked by geolocation rules
geolocation
You may be using an unsupported protocol and/or cipher
Supporterede ciphers og protokoller
You successfully login, but then get a timeout
Passive FTP is always used and the FTP servers are set to use a fixed interval of ports (50000-52000).
See Hostnames og porte
On the ftp client side it must be secured that the firewall is open for the interval of ports.
Explanation of FTP active/passive modes: https://en.wikipedia.org/wiki/File_Transfer_Protocol#Communication_and_data_transfer